MODEL G0756
INDUSTRIAL DRILL PRESS
OWNER'S MaNUAL
(For models manufactured since 03/13)
Copyright ?? MAY, 2013 By Grizzly Industrial, Inc.,
WaRNING: No portion of thiS manual may be reproduceD in any shaPE Or form withoUT the written approvaL of GrIzzly InDUSTRIAL, inc.
#DM15670 printed In CHinA
This manual provides critical safety instructions on the proper setup, operation, maintenance, and service of this machine/tool. Save this document, refer to it often, and use it to instruct other operators.
Failure to read, understand and follow the instructions in this manual may result in fire or serious personal
The owner of this machine/tool is solely responsible for its safe use. This responsibility includes but is not limited to proper installation in a safe environment, personnel training and usage authorization, proper inspection and maintenance, manual availability and compre- hension, application of safety devices, cutting/sanding/grinding tool integrity, and the usage of personal protective equipment.
The manufacturer will not be held liable for injury or property damage from negligence, improper training, machine modifications or misuse.
Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. Some examples of these chemicals are:
???Lead from
???Crystalline silica from bricks, cement and other masonry products.
???Arsenic and chromium from
Your risk from these exposures varies, depending on how often you do this type of work. To reduce your exposure to these chemicals: Work in a well ventilated area, and work with approved safety equip- ment, such as those dust masks that are specially designed to filter out microscopic particles.
Table of Contents
INTRODUCTION
We are proud to offer the Model G0756
This drill press features power tapping with an electronic clutch and activation buttons on the downfeed handles. Spindle speed is adjustable through the use of the levers above the main control panel. The
Contact Info
We stand behind our machines. if you have any questions or need help, use the information below to contact us. Before contacting, please get the serial number and manufacture date of your machine. this will help us help you faster.
grizzly technical support 1203 lycoming Mall Circle Muncy, pA 17756 phone: (570)
email: techsupport@grizzly.com
We want your feedback on this manual. What did you like about it? Where could it be improved? please take a few minutes to give us feedback.
grizzly documentation Manager p.o. Box 2069
Bellingham, WA
We are proud to provide a
We made every effort to be exact with the instruc- tions, specifications, drawings, and photographs contained inside. sometimes we make mistakes, but our policy of continuous improvement also means that sometimes the machine you receive will be slightly different than what is shown in the manual.
if you find this to be the case, and the difference between the manual and machine leaves you confused about a procedure, check our website for an updated version. We post current manuals and manual updates for free on our website at www.grizzly.com.
Alternatively, you can call our technical support for help. Before calling, please write down the
Manufacture Date and Serial Number stamped into the machine id label (see below). this infor- mation helps us determine if updated documenta- tion is available for your machine.
Control Panel
A
B
F
C
D G
H
I
E
Figure 1. Control panel
A.Spindle Speed Levers: Used to get spindle speed at available RPMs.
B.Coolant Pump Switch: Turns pump on, sending coolant to nozzle
C.High/Low Spindle Speed Range Switch: Selects high/low range for spindle speed.
D.Spindle Rotation Switch: Controls direction.
E.Spindle Stop Button: Stops all work.
F.Working Lamp Switch: Turns work light on or off.
G.EMERGENCY STOP Button: Immediately cuts power to motor and control panel when pressed. Remains depressed until button is reset by twisting clockwise.
H.Drilling/Tapping Switch: Selects between drilling and tapping modes.
I.Spindle Start Button: Starts machine when Master Power Switch has already been turned to the ON position and the high/low spindle speed range switch is turned to 1 or 2.
MACHINE DATA
SHEET
Customer Service #: (570)
MODEL G0756
SECTION 1: SAFETY
for your Own Safety, Read Instruction Manual before Operating This Machine
The purpose of safety symbols is to attract your attention to possible hazardous conditions. This manual uses a series of symbols and signal words intended to convey the level of impor- tance of the safety messages. The progression of symbols is described below. Remember that safety messages by themselves do not eliminate danger and are not a substitute for proper accident prevention measures. Always use common sense and good judgment.
Safety Instructions for Machinery
OWNER???S MANUAL. read and understand this owner???s manual BeFore using machine.
TRAINED OPERATORS ONLy. untrained oper- ators have a higher risk of being hurt or killed. only allow trained/supervised people to use this machine. When machine is not being used, dis- connect power, remove switch keys, or
DANGEROUS ENvIRONMENTS. do not use machinery in areas that are wet, cluttered, or have poor lighting. operating machinery in these areas greatly increases the risk of accidents and injury.
MENTAL ALERTNESS REQUIRED. Full mental alertness is required for safe operation of machin- ery. never operate under the influence of drugs or alcohol, when tired, or when distracted.
ELEcTRIcAL EQUIPMENT INJURy RISKS. you can be shocked, burned, or killed by touching live electrical components or improperly grounded machinery. to reduce this risk, only allow qualified service personnel to do electrical installation or repair work, and always disconnect power before accessing or exposing electrical equipment.
DIScONNEcT POWER fIRST. Always discon- nect machine from power supply BeFore making adjustments, changing tooling, or servicing machine. this prevents an injury risk from unintended startup or contact with live electrical components.
EyE PROTEcTION. Always wear
WEARING PROPER APPAREL. do not wear clothing, apparel or jewelry that can become entangled in moving parts. Always tie back or cover long hair. Wear
hAzARDOUS DUST. dust created while using machinery may cause cancer, birth defects, or
hEARING PROTEcTION. Always wear hear- ing protection when operating or observing loud machinery. extended exposure to this noise without hearing protection can cause permanent hearing loss.
REMOvE ADJUSTING TOOLS. tools left on machinery can become dangerous projectiles upon startup. never leave chuck keys, wrenches, or any other tools on machine. Always verify removal before starting!
USE cORREcT TOOL fOR ThE JOb. only use this tool for its intended
AWKWARD POSITIONS. Keep proper footing and balance at all times when operating machine. do not overreach! Avoid awkward hand positions that make workpiece control difficult or increase the risk of accidental injury.
chILDREN & bySTANDERS. Keep children and bystanders at a safe distance from the work area. stop using machine if they become a distraction.
GUARDS & cOvERS. guards and covers reduce accidental contact with moving parts or flying debris. Make sure they are properly installed, undamaged, and working correctly.
fORcING MAchINERy. do not force machine. it will do the job safer and better at the rate for which it was designed.
NEvER STAND ON MAchINE. serious injury may occur if machine is tipped or if the cutting tool is unintentionally contacted.
STAbLE MAchINE. unexpected movement dur- ing operation greatly increases risk of injury or loss of control. Before starting, verify machine is stable and mobile base (if used) is locked.
USE REcOMMENDED AccESSORIES. Consult this owner???s manual or the manufacturer for rec- ommended accessories. using improper acces- sories will increase the risk of serious injury.
UNATTENDED OPERATION. to reduce the risk of accidental injury, turn machine OFF and ensure all moving parts completely stop before walking away. never leave machine running while unattended.
MAINTAIN WITh cARE. Follow all maintenance instructions and lubrication schedules to keep machine in good working condition. A machine that is improperly maintained could malfunction, leading to serious personal injury or death.
chEcK DAMAGED PARTS. regularly inspect machine for any condition that may affect safe operation. immediately repair or replace damaged or
MAINTAIN POWER cORDS. When disconnect- ing
EXPERIENcING DIffIcULTIES. if at any time you experience difficulties performing the intend- ed operation, stop using the machine! Contact our technical support at (570)
Safety for Drill Presses
EYE/FACE/HAND PROTECTION. A face shield used with safety glasses is recommended. Always keep hands and fingers away from the drill bit. Never hold a workpiece by hand while drilling! Do Not wear gloves when operating the drill.
SECURING BIT. Properly tighten and securely lock the drill bit in the chuck.
CORRECT BIT. Use only round, hex, or triangular shank drill bits.
ADJUSTING KEYS AND WRENChES. Remove all adjusting keys and wrenches before turning the machine ON.
DRILLING SHEET METAL. Never drill sheet metal unless it is securely clamped to the table.
SURFACE/WORKPIECE PREP. Never turn the drill press ON before clearing the table of all objects (tools, scrap wood, etc.) Do Not drill material that does not have a flat surface, unless a suitable support is used.
DAMAGED TOOLS. Never use drill bits in poor condition. Dull or damaged drill bits are hard to control and may cause serious injury.
DRILL OPERATION. Never start the drill press with the drill bit pressed against the workpiece. Feed the drill bit evenly into the workpiece. Back the bit out frequently to clear deep holes.
CLEARING CHIPS. Turn the machine OFF and clear chips and scrap pieces with a brush. Disconnect power, remove drill bit, and clean table before leaving the machine.
OPERATING SPEED. Always operate your drill press at speeds that are appropriate for the drill bit size and the material that you are drilling.
MOUNTING WORKPIECES. Use clamps or vises to secure workpiece before drilling. Position work so you avoid drilling into the table.
TABLE LOCK. Make sure the table lock is tight- ened before starting the drill press.
MAINTENANCE/SPEED CHANGES. Never change speeds or do maintenance with the machine connected to power.
EXPERIENCING DIFFICULTIES. If at any time you are experiencing difficulties performing the intended operation, stop using the machine! Contact our Technical Support at (570)
Like all machines there is danger associated with this machine. Accidents are frequently caused by lack of familiarity or failure to pay attention. Use this machine with respect and caution to lessen the possibility of operator injury. If normal safety precautions are overlooked or ignored, serious personal injury may occur.
No list of safety guidelines can be complete. Every shop environment is different. Always consider safety first, as it applies to your individual working conditions. Use this and other machinery with caution and respect. Failure to do so could result in serious per- sonal injury, damage to equipment, or poor work results.
SECTION 2: POWER SUPPLY
Availability
Before installing the machine, consider the avail- ability and proximity of the required power supply circuit. If an existing circuit does not meet the requirements for this machine, a new circuit must be installed. To minimize the risk of electrocution, fire, or equipment damage, installation work and electrical wiring must be done by an electrican or qualified service personnel in accordance with all applicable codes and standards.
Electrocution, fire, or equipment damage may occur if machine is not correctly grounded and connected to the power supply.
The
The
If the machine is overloaded for a sufficient length of time, damage, overheating, or fire may result??? especially if connected to an undersized circuit. To reduce the risk of these hazards, avoid over- loading the machine during operation and make sure it is connected to a power supply circuit that meets the requirements in the following section.
Circuit Requirements for 220V
This machine is prewired to operate on a 220V power supply circuit that has a verified ground and meets the following requirements:
A power supply circuit includes all electrical equipment between the breaker box or fuse panel in the building and the machine. The power sup- ply circuit used for this machine must be sized to safely handle the
For your own safety and protection of property, consult an electrician if you are unsure about wiring practices or electrical codes in your area.
Note: The circuit requirements listed in this man- ual apply to a dedicated
Model G0756 (Mfg. Since 2/13)
Grounding Instructions
This machine MUST be grounded. In the event of certain malfunctions or breakdowns, grounding reduces the risk of electric shock by providing a path of least resistance for electric current.
The power cord and plug specified under ???Circuit
Requirements for 220V??? on the previous page has an
GROUNDED
Current
Carrying
Grounding Prong Prongs
Figure 2. NEMA
No adapter should be used with the required plug. If the plug does not fit the available receptacle, or the machine must be reconnected for use on a different type of circuit, the reconnection must be made by a qualified electrician and comply with all local codes and ordinances.
Model G0756 (Mfg. Since 2/13)
Serious injury could occur if you connect the machine to power before completing the setup process. DO NOT connect to power until instructed later in this manual.
Improper connection of the
Check with a qualified electrician or service per- sonnel if you do not understand these grounding requirements, or if you are in doubt about whether the tool is properly grounded. If you ever notice that a cord or plug is damaged or worn, discon- nect it from power, and immediately replace it with a new one.
Extension Cords
We do not recommend using an extension cord with this machine. If you must use an extension cord, only use it if absolutely necessary and only on a temporary basis.
Extension cords cause voltage drop, which may damage electrical components and shorten motor life. Voltage drop increases as the extension cord size gets longer and the gauge size gets smaller (higher gauge numbers indicate smaller sizes).
Any extension cord used with this machine must contain a ground wire, match the required plug and receptacle, and meet the following require- ments:
SECTION 3: SETUP
Your machine was carefully packaged for safe transportation. Remove the packaging materials from around your machine and inspect it. If you discover any damage, please call us immediately at (570)
Save the containers and all packing materials for possible inspection by the carrier or its agent.
Otherwise, filing a freight claim can be difficult.
When you are completely satisfied with the condi- tion of your shipment, inventory the contents.
SUFFOCATION HAZARD! Keep children and pets away from plastic bags or packing materials shipped with this machine. Discard immediately.
Needed for Setup
The following are needed to complete the setup process, but are not included with your machine.
The following is a list of items shipped with your machine. Before beginning setup, lay these items out and inventory them.
If any
E
G
F
Figure 3. Toolbox inventory.
NOTICE
If you cannot find an item on this list, care- fully check around/inside the machine and packaging materials. Often, these items get lost in packaging materials while unpack- ing or they are
Cleanup
the unpainted surfaces of your machine are coated with a
Be patient and do a thorough job cleaning your machine. the time you spend doing this now will give you a better appreciation for the proper care of your machine's unpainted surfaces.
there are many ways to remove this rust preven- tative, but the following steps work well in a wide variety of situations. Always follow the manufac- turer???s instructions with any cleaning product you use and make sure you work in a
before cleaning, gather the following:
???disposable rags
???Cleaner/degreaser (Wd???40 works well)
???safety glasses & disposable gloves
???plastic paint scraper (optional)
basic steps for removing rust preventative:
1.put on safety glasses.
2.Coat the rust preventative with a liberal amount of cleaner/degreaser, then let it soak for
3.Wipe off the surfaces. if your cleaner/degreas- er is effective, the rust preventative will wipe off easily. if you have a plastic paint scraper, scrape off as much as you can first, then wipe off the rest with the rag.
4.repeat Steps
Model G0756 (Mfg. Since 2/13)
Gasoline and petroleum products have low flash points and can explode or cause fire if used to clean machinery. Avoid using these products to clean machinery.
Many cleaning solvents are toxic if inhaled. Only work in a
NOTICE
Avoid
A great product for removing the waxy shipping grease from your machine during clean up.
Figure 4. T23692 Orange Power Degreaser.
Site Considerations
Weight Load
Refer to the Machine Data Sheet for the weight of your machine. Make sure that the surface upon which the machine is placed will bear the weight of the machine, additional equipment that may be installed on the machine, and the heaviest work- piece that will be used. Additionally, consider the weight of the operator and any dynamic loading that may occur when operating the machine.
Space Allocation
Consider the largest size of workpiece that will be processed through this machine and provide enough space around the machine for adequate operator material handling or the installation of auxiliary equipment. With permanent installations, leave enough space around the machine to open or remove doors/covers as required by the main- tenance and service described in this manual.
See below for required space allocation.
Children or untrained people may be seriously injured by this machine. Only install in an access restricted location.
Physical Environment
The physical environment where the machine is operated is important for safe operation and lon- gevity of machine components. For best results, operate this machine in a dry environment that is free from excessive moisture, hazardous chemi- cals, airborne abrasives, or extreme conditions. Extreme conditions for this type of machinery are generally those where the ambient temperature range exceeds
Electrical Installation
Place this machine near an existing power source. Make sure all power cords are protected from traffic, material handling, moisture, chemicals, or other hazards. Make sure to leave access to a means of disconnecting the power source or engaging a lockout/tagout device, if required.
Lighting
Lighting around the machine must be adequate enough that operations can be performed safely. Shadows, glare, or strobe effects that may distract or impede the operator must be eliminated.
371???2"
Wall
22"
30" minimum for maintenance
30"
Figure 5. Minimum working clearances.
hEAvy LIfT! Straining or crushing injury may occur from improperly lifting machine or some of its parts. To reduce this risk, get help from other people and use a fork lift (or other lifting equipment) rated for weight of this machine.
To move and place this drill:
1.Place shipping crate near final machine mounting location.
2.Remove top portion of crate from the ship- ping pallet, secure the ends of a properly rated lifting strap around each side of the bar placed through the lifting holes, and attach it securely to your power lifting equipment (see
Figure 6).
Bar In
Lifting
Hole
Figure 6. Strap around bar in lifting hole.
3.Unbolt the machine from the pallet.
4.With another person to help to steady the machine, lift it just enough to clear the pallet and any floor obstacles, then place it in its final position.
Model G0756 (Mfg. Since 2/13)
Anchoring machinery to the floor prevents tipping or shifting and reduces vibration that may occur during operation, resulting in a machine that runs slightly quieter and feels more solid.
if the machine will be installed in a commercial or workplace setting, or if it is permanently connect- ed (hardwired) to the power supply, local codes may require that it be anchored to the floor.
if not required by any local codes, fastening the machine to the floor is an optional step. if you choose not to do this with your machine, we rec- ommend placing it on machine mounts, as these provide an easy method for leveling and they have
Anchoring to Concrete Floors
lag shield anchors with lag screws (see below) are a popular way to anchor machinery to a con- crete floor, because the anchors sit flush with the floor surface, making it easy to unbolt and move the machine later, if needed. however, anytime local codes apply, you Must follow the anchoring methodology specified by the code.
Figure 7. Popular method for anchoring machinery to a concrete floor.
Arbor/Chuck
Assembly
An arbor is included for the drill chuck that comes with this machine. The following procedure describes how to install the arbor in the chuck.
After the arbor is installed in the drill chuck, it is very difficult to separate the assembly. If you would like to use a different chuck in the future, we suggest using a different arbor.
Important: DO NOT install the drill chuck and arbor assembly until AFTER the test run.
To connect the drill chuck with the arbor:
1.Use acetone or lacquer thinner to clean drill chuck and arbor mating surfaces, especially the bore.
2.Retract the chuck jaws so that they are not exposed.
3.insert the arbor into the drill chuck.
4.hold assembly by the arbor and tap chuck onto a block of wood with moderate force (see Figure 8).
Figure 8. Installing arbor into chuck.
Initial Lubrication
GEARBOX MUST
BE FILLED WITH OIL!
OIL MAY NOT BE
SHIPPED WITH MACHINE!
Refer to Lubrication Section for Correct Oil Type.
To prevent spillage, this machine was shipped from the factory without any oil in it. The head- stock oil reservoir must be properly filled with oil before the drill press can be operated for the first time. Refer to the Lubrication section, beginning on Page 33, for details on how to check and add oil.
Damage caused by running the drill press without oil in the reservoir will not be cov- ered under warranty.
Power Connection
Electrocution or fire may occur if machine is ungrounded, incorrectly connected to power, or connected to an under- sized circuit. Use an electri- cian or a qualified service personnel to ensure a safe power connection.
Before the machine can be connected to the power source, an electrical circuit must be made available that meets the minimum specifications given in Circuit Requirements for 220V on Page 10. If a power circuit has not been prepared for the machine, do that now.
To minimize the risk of electrocution, fire, or equipment damage, all installation work and elec- trical wiring MUst be done by an electrician or qualified service personnel.
Note about extension cords: Using an incor- rectly sized extension cord may decrease the life of electrical components on your machine. Refer to Extension Cords on Page 11 for more infor- mation.
To connect the power cord to the machine:
1.Turn the master power switch to OFF, then open the electrical cabinet door located at the back of the machine.
Model G0756 (Mfg. Since 2/13)
2.Identify the L1, L2, and L3 terminals and the grounding terminal (see Figure 9).
3.thread the power cord through the strain relief shown in Figure 9.
Grounding Terminal
L1 L2 L3
Strain Relief
Figure 9. Location of hot wire terminals, ground terminal, and strain relief.
4.Connect the incoming hot wires and ground wire to the terminals shown in Figure 10.
Note: If using a phase convertor, the "wild wire" is connected to the L2 terminal.
To Plug/Power Supply
Figure 10. Ground and hot wires connected.
5.Make sure the power cord and wires have slack between the strain relief and terminal connections so that they do not bind, then tighten the strain relief to secure the cord.
Note: The strain relief must be tightened against the outer jacket of the cord. Avoid
6.Test the strain relief to ensure it is properly tightened by pulling the cord from outside the box with
7.Install a NEMA
8.Close and secure the main electrical box door.
9.Plug the power cord into a power source with a matching receptacle, as specified in Circuit Requirements for 220V on Page 10.
Note: If you discover during the Test Run that the drill press will not operate, or that the spindle runs backwards, the drill press may be wired out of phase.
Correcting the phase polarity requires reversing the positions where the L1 and L3 wires are con- nected. Due to the high voltage and risk of serious shock involved, we strongly recommend this pro- cedure only be done by an electrician or qualified service personnel.
Test Run
Once the preceding setup procedures are com- plete, test run your machine to make sure it runs properly and is ready for regular operation.
The test run consists of verifying the following: 1) The motor powers up and runs correctly, 2) the EMERGENCY STOP button and chip guard safety features work correctly, and 3) the motor rotates in the correct direction (machine is not wired out of phase).
If, during the test run, you cannot easily locate the source of an unusual noise or vibration, stop using the machine immediately, then review
Troubleshooting on Page 35.
If you still cannot remedy a problem, contact our Tech Support at (570)
Before starting the drill press, make sure you have performed the preceding setup instructions, and you have read through the rest of the manual and are familiar with the various functions and safety features on this machine. Failure to follow this warning could result in serious personal injury or even death!
To test run the machine:
1.Make sure all tools and objects used during setup are cleared away from the machine.
2.Make sure the machine is properly lubricated.
3.Turn the Master Power Switch (Figure 11)
ON.
Master Power Switch
Figure 11. Master power switch.
Model G0756 (Mfg. Since 2/13)
it pops out. When the botton pops out the switch is reset and ready for operation.
EMERGENCY
STOP Button
Figure 12. Resetting the switch.
5. Verify that the machine is operating correctly by turning the spindle rotation switch to the left position and pressing the spindle start button.
6.Press the EMERGENCY STOP button and ensure that the drill press comes to a com- plete stop.
7.WITHOUT resetting the EMERGENCY STOP button, press the spindle start button. The machine should not start.
8. Press the EMERGENCY STOP button in, then twist it clockwise so it pops out. When the button pops out, the switch is reset and ready for operation.
9. rotate the chip guard out of position and press the spindle start button. The machine should not start.
Congratulations! The test run is now com- plete. Before beginning any regular opera- tions, perform the Spindle
Test Coolant System
This drill press comes with a
To test the coolant system:
1. Wear safety goggles and other protective clothing.
2. Aim the coolant nozzle into the trough to reduce splash (see Figure 13).
Figure 13. Table trough and coolant drain.
3. turn the Coolant Pump Switch to the ON position.
4. Adjust the ball valve in the coolant nozzle assembly for the proper coolant flow (see
Figure 14).
Ball valve
Figure 14. Ball valve of nozzle assembly.
5. Close the ball valve and turn the pump switch to the OFF position.
Running the pump without adequate cool- ant can significantly damage the pump, which will not be covered under warranty.
Model G0756 (Mfg. Since 2/13)
Spindle
Before subjecting the spindle to operational loads, it is essential to complete the
After spindle
The
DO NOT perform this procedure indepen- dently of the Test Run section. The drill press could be seriously damaged if the controls are set differently than instructed in that section.
Model G0756 (Mfg. Since 2/13)
To perform the spindle
1. Move the drilling & tapping switch to the drill- ing position (see Figure 15).
Drilling and
Tapping
Switch
Spindle
Start Button
Figure 15. Drilling/tapping switch.
2.Position the speed control levers for 440 RPM.
3.Press the spindle start button.
4.Allow the machine to run for 10 minutes.
5.Press the spindle stop button.
6.Position the speed control levers for 870 RPM, and allow machine to run for 10 min- utes.
7. Press the OFF button, and adjust the speed control levers for 440 RPM.`
8.Press the spindle start button.
9. Press the button on the end of the downfeed handle to reverse spindle rotation.
10. Run the machine at 440 RPM and then 870 RPM for 10 minutes each, as described above.
11.Run the machine at 440 RPM for another 15 minutes to allow it cool down.
Congratulations! Spindle
SECTION 4: OPERATIONS
Operations Overview
The purpose of this overview is to provide the nov- ice machine operator with a basic understanding of how the machine is used during operation, so the machine controls/components discussed later in this manual are easier to understand.
Due to the generic nature of this overview, it is not intended to be an instructional guide. To learn more about specific operations, read this entire manual and seek additional training from expe- rienced machine operators, and do additional research outside of this manual by reading "how- to" books, trade magazines, or websites.
To reduce your risk of serious injury, read this entire manual bEfORE using machine.
To reduce risk of eye injury from flying chips or lung damage from breathing dust, always wear safety glasses and a respirator when operating this machine.
If you are not experienced with this type of machine, WE STRONGLy REcOMMEND that you seek additional training outside of this manual. Read books/magazines or get formal training before beginning any proj- ects. Regardless of the content in this sec- tion, Grizzly Industrial will not be held liable for accidents caused by lack of training.
To complete a typical operation, the operator does the following:
1.Examines the workpiece to make sure it is suitable for drilling.
2.Puts on the required safety gear.
3.Firmly secures the workpiece to the table using a vise or
4.Installs the correct cutting tool for the opera- tion.
5.Adjusts table to the correct height, then locks it in place.
6.Connects the machine to power, and turns the master power switch ON.
7.Selects the spindle RPM with the speed control levers and presses the spindle start button.
8.Begins drilling.
9.When finished, presses the spindle stop but- ton and disconnects it from power.
Tooling Installation &
Removal
This machine has an MT#4 spindle for install- ing tooling. It is also equipped with an automatic drift for easy removal of tooling (see Figure 16). Additionally, a drift key is included to manually remove the tooling from the spindle, if needed.
Installing Tapered Tooling
1.DISCONNECT MACHINE FROM POWER!
2.Clean tooling and spindle tapers to ensure proper seating.
3.Insert the MT#4 tooling into the spindle, and maneuver the tang until it engages with the slot at the end of the spindle.
4.Use a rubber or wooden mallet to seat the tooling into the spindle by firmly tapping from the bottom.
Note: If installing a drill chuck, make sure to retract the jaws to prevent damage to chuck.
Removing Tooling with Automatic Drift
1.DISCONNECT MACHINE FROM POWER!
2.Lower the spindle with the coarse downfeed handle until you can press in the automatic drift knob (see Figure 16).
Automatic Drift
Figure 16. Automatic drift knob.
Leaving the automatic drift knob pressed in can result in the arbor coming free the next time it is inserted into the spindle sleeve. An improperly installed arbor can become a projectile and result in serious injury to operator or others nearby. Always verify arbor is correctly installed before beginning drilling operations.
Model G0756 (Mfg. Since 2/13)
3. While holding onto the tooling, raise the spindle to the original position. It should auto- matically release from the spindle.
4.Pull the automatic drift knob back to the out- ward position.
Removing Tooling Manually
1.DISCONNECT MACHINE FROM POWER!
2.lower the quill and rotate the spindle by hand until the drift key holes in the spindle and quill are aligned (see Figure 17).
Figure 17. Spindle and quill drift key holes aligned.
3.Insert the drift key into the aligned holes and allow the quill to rise, trapping the drift key.
4. Softly tap the end of the key while holding the arbor/chuck assembly until it separates from the spindle (see Figure 18).
Figure 18. Using drift key to remove arbor.
Depth Stop
This drill press includes a depth stop for drilling multiple holes at the same depth.
To set the depth stop:
1.DISCONNECT MACHINE FROM POWER!
2.Adjust the table height so the workpiece is close to the work tool.
3.Mark the side of your workpiece at the intend- ed cutting depth (see Figure 19).
Workpiece
Drill Bit
Scrap Wood
Workpiece
Depth
Mark
Table
Figure 19. Depth stop mark on workpiece.
4. Secure the workpiece to the table with a clamp or vise.
5.Place the workpiece on the table, and lower the spindle until the tip of the bit is even with the mark.
6.Loosen the depth stop handle, move the drill bit to the required drilling depth, and tighten it (see Figure 20).
Depth Stop Handle
Figure 20. Setting depth stop handle.
7. Press the spindle start button.
8.Drill a hole into scrap stock before drilling into any workpiece to ensure the depth has been set correctly. If necessary, repeat Steps
Table Positioning
The table for this drill press moves vertically and rotates 360 degrees to accommodate larger workpieces.
Raising/Lowering Table
1. Remove any objects from the table surface.
2. Loosen the release handles shown in Figure
21).
3. Adjust the table height by rotating the height adjustment handle (see Figure 21).
Height
Adjustment
Handle
Lock Handles
Figure 21. Column Release and Height
Adjustment Handles.
Rotating Table
1. Remove all objects from the table surface.
2. Slightly loosen the lock handles (see Figure
21).
3. Push the table to the desired location, and guide the rack on the side of the column.
4.
Model G0756 (Mfg. Since 2/13)
Selecting Spindle
RPM
Use the proper spindle speed and feed rate to reduce strain on all moving parts and decrease risk of operator injury.
Prior to drilling, determine the RpM needed for workpiece material then set the spindle speed to the closest available RpM.
To determine the needed RPM:
1.Use the table in Figure 22 to determine the speed required for your workpiece material.
Note: For carbide cutting tools, double the cut- ting speed. These values are a guideline only. Refer to the MACHINERY'S HANDBOOK for more detailed information.
Larger bits turning at slower speeds tend to grab the workpiece aggressively. This can result in the operator's hand being pulled into the bit or the workpiece being thrown with great force. Always clamp the workpiece to the table to prevent injuries.
Figure 22. Cutting speed table for HSS cutting tools.
Drilling Mode
This drill press is designed for vertical drilling and tapping operations. For repeated drilling at the same depth, there is a power downfeed mecha- nism. For tapping convenience, there is an auto- matic clutch used for reversing the direction of the spindle while in tapping mode by pressing one of the buttons at the ends of each course downfeed handle.
Overloading tools or using excessive spin- dle speeds may cause parts or broken tools to hit operator, resulting in serious impact injuries.
To drill a workpiece:
1. Refer to Controls on Page 4 to understand the functions of each control.
Speed Control Levers
Drilling/Taping Switch
Figure 23. Controls for drilling.
2. Clamp the workpiece to the table, and adjust the depth stop for the needed depth of cut.
Note: Drilling with the quill fully extended can cause tool chatter. For maximum spindle rigidity, keep the spindle retracted into the headstock as far as possible.
3. Put on safety glasses, a face shield, and close the chip guard.
4. Select the "drilling" mode option with the toggle switch.
5. Refer to Selecting Spindle RPM on Page 25, and choose the closest available spindle RPM.
6. turn the Master Power Switch ON.
7. Press the spindle start button and begin the drilling operation.
Model G0756 (Mfg. Since 2/13)
Automatic Power
Downfeed
This drill press comes with automatic downfeed control for repeated drilling operations at the same depth. The automatic downfeed only works in the drilling mode.
Stay clear of coarse downfeed handles while using the automatic downfeed. When the depth stop triggers the lower elevation limit switch, the handles spin rapidly as the spindle returns to its starting position. Failure to stay clear of the handles may result in injury.
To operate the automatic power downfeed:
1.DISCONNECT MACHINE FROM POWER!
2. Select the drilling option with the drilling/tap- ping switch.
3. set the spindle depth stop to the desired position (refer to Page 24).
4. Match the lines on the adjustment knob to select an automatic power downfeed option (see Figure 24).
???0.2 is equal to 2mm of downfeed per spindle rotation.
???0.1 is 1mm of downfeed per spindle rotation.
???0.0 disengages the downfeed mecha- nism.
Adjustment Knob
Automatic
Power
Downfeed
Option Lines
Figure 24. Automatic downfeed adjustment knob.
5.
6. turn the Master Power Switch ON, and press the spindle start button.
7. pull the coarse downfeed handle down towards the front of the machine until the automatic downfeed begins.
When in tapping mode, the spindle direction can immediately alternate between forward and reverse by pressing any of the three buttons at the end of the downfeed handles. This feature is criti- cal to back the tap out of a hole before it bottoms out and snaps off, as well as clearing away waste chips during the tapping process.
Pilot holes must be drilled prior to beginning any tapping operation.
To use tapping mode:
1. DISCONNECT MACHINE FROM POWER!
2.Determine the maximum tapping depth with- out
3. Clamp the workpiece to the table.
4. Put on safety glasses and a face shield. Select tapping mode, and turn the spindle rotation switch
5. Install the tap, and apply tapping fluid to the contact point of the tap and workpiece.
6. Connect the machine to power.
7. Select "tapping" mode with the drilling/tap- ping switch
8. Select the appropriate spindle speed. Speeds vary according to the material, bit, and proce- dure. There are several online resources to choose from for calculating spindle speed
9.Press the spindle start button.
10. Begin threading. Without disengaging the tap from the threads, frequently alternate spindle rotation by pressing any end button to reverse spindle and eject chips from the hole. Frequently removing chips will prevent galling and tap breakage.
This machine comes with a coolant system for use in drilling and tapping operations. This feature promotes precision cutting and tool longevity.
To operate the coolant system:
1. ensure there is a sufficient amount of clean coolant in the reservoir (refer to Page 20 for detailed instructions).
2. Aim the coolant nozzle at the contact area of the workpiece and the work tool.
3. Turn the coolant pump switch on the control panel to the ON position.
4. Regulate the coolant flow to the contact area using the coolant ball valve shown in Figure 25.
Coolant Ball Valve
Figure 25. Coolant ball valve.
Model G0756 (Mfg. Since 2/13)
SECTION 5: ACcESSORIES
Installing unapproved accessories may cause machine to malfunction, resulting in serious personal injury or machine damage. To reduce this risk, only install accessories recommended for this machine by Grizzly.
NOTICE
Refer to our website or latest catalog for additional recommended accessories.
If you use a drill press and value your fingers, you need one of these. Made from
Figure 26. Cast iron drill press vice.
This clamping kit includes 24 studs, 6 step block pairs, 6
Figure 27. Clamping Kit.
Figure 28. Safety glasses.
order online at www.grizzly.com or call
Figure 29. ISO 68 and ISO 32 machine oil.
Use this 6" Rotary Table in either the horizontal or vertical position for a variety of milling appli- cations and with the set of dividing plates and adjustable tailstock, your milling applications are nearly unlimited. With 4?? table movement per han- dle rotation and 20 second vernier scale, control is very accurate and precise. Also includes a 3???8" clamping set for the
Figure 30. Rotary table with dividing plates.
Titanium
Figure 31. 115 piece drill bit set.
These
H7616
H7617
Figure 32. High pressure oil cans.
Model G0756 (Mfg. Since 2/13)
Our new High Speed Steel Tap and Drill Set comes supplied with 6 of the most commonly used coarse thread sizes. What's more, each size has taps with plug, bottoming and taper grinds allowing you to choose the right tap for any job. The set includes the following tap sizes and corre- sponding drill bits:
Figure 33. Commonly used tap and drill set.
Model G0756 (Mfg. Since 2/13)
Precision, Keyless Drill Chucks have integral shanks to fit a variety of spindles including Morse taper, R8 and Cat 40. Each chuck has a knurled grip for plenty of torque and if that???s not enough, they???re spanner wrench compatible. (Spanner wrench not included.) Made in an Iso 9001 certi- fied factory.
Figure 34. Precision keyless drill chuck.
SECTION 6: MAINTENANCE
To reduce risk of shock or accidental startup, always disconnect machine from power before adjustments, maintenance, or service.
Schedule
Typically, each operator is responsible for ensur- ing proper care of the equipment. We strongly recommend all operators make a habit of follow- ing the daily maintenance procedures.
Ongoing
To reduce the risk of injury and ensure proper machine operation, if you ever observe any of the items below, shut down the machine immediately and fix the problem before continuing operations:
???Loose mounting bolts or fasteners.
???Worn, frayed, cracked, or damaged wires.
???Chip guard removed.
???EMERGENCY STOP button not working cor- rectly or not requiring you to reset it before starting the machine again.
???Any other unsafe condition.
Every 8 hour of operation:
???Lubricate the ball oilers (Page 34).
???Check/Add headstock oil (Page 33).
???Check quantity/quality of coolant (Page 20).
Annually:
???Change headstock oil (Page 33).
Daily, After Operations
???Thoroughly clean the machine and protect all surface areas
???Press the EMERGENCY STOP button and shut OFF the master power switch (to pre- vent accidental startup).
???Remove any rotary tables, vises, fixtures, or workpieces from the table to prevent rusting the table surface.
Annually
???Disconnect machine from power, open elec- trical box, and clean with compressed air.
Cleaning and
Protecting
Metal chips left on the machine will invite oxida- tion and a gummy residue
Remove any rust
Keep unpainted cast iron surfaces
Model G0756 (Mfg. Since 2/13)
Lubrication
For the quill, table, and column, an occasional application of light machine oil is all that is neces- sary. Before applying lubricant, clean off any dust or metal chips.
Your goal is to achieve adequate lubrication. Too much lubrication will attract dirt and dust. Various parts of your machine could lose their freedom of movement as a result.
Headstock Lubrication
The headstock uses an oil pump to lubricate the gears. For this machine, use Iso 68 machine oil. Check the oil level every day (see Step 4). Change oil annually.
To change oil in headstock:
1. remove the oil fill plug on top of the machine (see Figure 35).
Oil Fill Plug
Oil Drain Plug
Figure 35. Oil fill and drain locations.
2. Remove the drain plug, and allow old oil to drain into an appropriate container.
3. Replace and tighten the drain plug.
4. Fill the headstock with oil to the red mark on the site glass (see Figure 36).
Model G0756 (Mfg. Since 2/13)
Do not fill headstock with oil above the red mark. This could damage the machine and create an overflow of oil.
Red Mark
Site Glass
Location
Figure 36. Site glass location.
5.
6.Discard used oil following federal, state, and fluid manufacturer guidelines for proper dis- posal.
Oil Flow Sight Glass
This machine comes with an oil flow sight glass (see Figure 37). Examine the flow sight glass during machine operation to ensure that the oil is properly circulating within the headstock.
If oil is not circulating, and headstock has proper amount of oil, shut down machine immediately and call tech support.
Oil Flow Sight Glass
Figure 37. Oil flow sight glass.
Ball Oilers
This machine has four ball oilers as shown in Figures
Push the tip of the oil can nozzle against the ball oiler to create a hydraulic seal, then pump the oil can once or twice. If you see sludge and contami- nants coming out of the lubrication area, continue pumping the oil can until the oil runs clear. When finished, wipe away the excess oil.
Ball Oilers
Figure 38. Table support bracket ball oiler locations.
Ball Oilers
Figure 39. Headstock side ball oiler locations
Changing Coolant
Coolant is consistently cycled and stored in the base reservoir beneath the pump. For efficient operation and tool longevity, replace coolant when it runs low or becomes dirty from excessive use.
BIOLOGICAL & POISON HAZARD! Use the correct personal protection equip- ment when handling coolant. Follow fed- eral, state, and fluid manufacturer require- ments for proper disposal.
To replace the coolant:
1.Pump coolant into an empty
2. DISCONNECT MACHINE FROM POWER!
3.Put on gloves, safety glasses, and respira- tor. Loosen the cap screws and remove the reservoir lid (see Figure 40).
Coolant Reservoir Lid
Figure 40. Coolant reservoir.
4.use a wet/dry shop vacuum to remove any coolant and debris from inside the reservoir.
5.Refill the reservoir with fresh coolant.
6.Replace the reservoir lid and
Model G0756 (Mfg. Since 2/13)
SECTION 7: SERVICE
Review the troubleshooting and procedures in this section if a problem develops with your machine. If you need replacement parts or additional help with a procedure, call our Technical Support at (570)
Note: Please gather the serial number and manufacture date of your machine before calling.
Troubleshooting
Motor & Electrical
Drill Press Operations
Replacing Lamp
Bulb
The work lamp bulb in this machine is a 24V 25W two pronged halogen bulb. The replacement part number for the bulb is
To replace the bulb in the work lamp:
1.DISCONNECT MACHINE FROM POWER!
2.Using a Phillips head screwdriver, remove the three screws that hold the work lamp cover in place.
3.Remove the bulb (see Figure 41).
Figure 41. Work lamp bulb replacement.
4. insert the new bulb and replace the work lamp cover.
Model G0756 (Mfg. Since 2/13)
Torque Limiter
The torque limiter regulates how much torque is applied to the drive shaft of the drill press to prevent the machine from mechanical overload. It was adjusted at the factory according to the maxi- mum axial load.
Eventual wear on the limiter discs may require compensatory adjustment to the torque limiter.
Overtightening can break the torque limiter. Make less than quarter turn adjustments at one time.
To adjust the torque limiter:
1.DISCONNECT MACHINE FROM POWER!
2.Remove the two cap screws that hold the plastic cover on the side of the headstock.
3. Rotate the spindle by hand until the set screw on the torque limiter is visible (see Figure 42).
Set Screw
Torque Limiter
Figure 42. Torque limiter and set screw.
4. Turn the set screw less than a quarter of a turn using a 4mm hex wrench. One small adjustment should compensate for any wear on the limiter disc.
SECTION 8: WIRING
These pages are current at the time of printing. However, in the spirit of improvement, we may make chang- es to the electrical systems of future machines. Compare the manufacture date of your machine to the one stated in this manual, and study this section carefully.
If there are differences between your machine and what is shown in this section, call Technical Support at (570)
Wiring Safety Instructions
SHOCK HAZARD. Working on wiring that is con- nected to a power source is extremely dangerous. Touching electrified parts will result in personal injury including but not limited to severe burns, electrocution, or death. Disconnect the power from the machine before servicing electrical com- ponents!
MODIFICATIONS. Modifying the wiring beyond what is shown in the diagram may lead to unpre- dictable results, including serious injury or fire. This includes the installation of unapproved after- market parts.
WIRE CONNECTIONS. All connections must be tight to prevent wires from loosening during machine operation.
CIRCUIT REQUIREMENTS. You MUST follow the requirements at the beginning of this man- ual when connecting your machine to a power source.
WIRE/COMPONENT DAMAGE. Damaged wires or components increase the risk of serious per- sonal injury, fire, or machine damage. If you notice that any wires or components are damaged while performing a wiring task, replace those wires or components.
MOTOR WIRING. The motor wiring shown in these diagrams is current at the time of printing but may not match your machine. If you find this to be the case, use the wiring diagram inside the motor junction box.
CAPACITORS/INVERTERS. Some capacitors and power inverters store an electrical charge for up to 10 minutes after being disconnected from the power source. To reduce the risk of being shocked, wait at least this long before working on capacitors.
EXPERIENCING DIFFICULTIES. If you are expe- riencing difficulties understanding the information included in this section, contact our Technical Support at (570)
The photos and diagrams included in this section are best viewed in color. You can view these pages in color at www.grizzly.com.
Component Location Index
Work Lamp
Page 41
Coolant
Pump
Page 41
Power Connection Wiring
Hot
Ground
Electric Clutch Wiring
To Electrical
Panel
Page 45
13 Gd. QO
PE
Ground
Front View
Motor & Pump Wiring
PE Ground
SPINDLE MOTOR
Figure 44. Spindle motor wiring.
Figure 46. Work lamp wiring.
Control Panel
Control Panel & Limit Switches
Chip Guard
Limit Switch
Figure 47. Chip Guard limit switch location.
Lamp Switch
Emergency
Stop Button
Drilling/Tapping
Mode Switch
Start Button
Upper Elevation
Limit Switch
Pump Switch
High/Low
Gear Switch
Spindle Direction
Switch
Stop Button
Lower Elevation
Limit Switch
Figure 31. Control panel and limit switch locations (viewed from behind).
To Plug/Power Supply
Electrical Wiring Panel Photo
SECTION 9: PARTS
Table Support & Coolant Breakdown
34
33
32
21
14
13
11
10
9
8
7
6
5
4
3
2
1
Please Note: We do our best to stock replacement parts whenever possible, but we cannot guarantee that all parts shown here are available for purchase. Call (800)
Table Support & Coolant Parts List
Gearbox Breakdown
134
133
132
131
123
122
121
119 118
102
105
106
107
108
109
110
111
112
113
114
115
114
117 116
Gearbox Breakdown 2
Gearbox Parts List
Spindle Feed Breakdown
201
202
203
204
214
215
216 217 218
228
219 220 221
229
232
233
222 223
230
231
Spindle Feed Parts List
Headstock Breakdown
382
331
326 327328
Headstock Breakdown 2
344
353
367
366
376
375
368
378 379
Headstock Parts List
Electrical Parts Breakdown
432
Control Panel
Electrical Parts List
Labels & Cosmetics
509
513
Safety labels help reduce the risk of serious injury caused by machine hazards. If any label comes off or becomes unreadable, the owner of this machine MUST replace it in the original location before resuming operations. For replacements, contact (800)
CUT ALONG DOTTED LINE
WARRANTY CARD
Name_____________________________________________________________________________
Street_____________________________________________________________________________
City _______________________ State_________________________ Zip _____________________
Phone # ____________________ Email _________________________________________________
Model # ____________________ Order #_______________________ Serial #__________________
The following information is given on a voluntary basis. It will be used for marketing purposes to help us develop better products and services. Of course, all information is strictly confidential.
1.How did you learn about us?
2.Which of the following magazines do you subscribe to?
3.What is your annual household income?
4.What is your age group?
5.How long have you been a woodworker/metalworker?
6.How many of your machines or tools are Grizzly?
9.Would you allow us to use your name as a reference for Grizzly customers in your area?
10. Comments: _____________________________________________________________________
_________________________________________________________________________________
_________________________________________________________________________________
_________________________________________________________________________________
FOLD ALONG DOTTED LINE
Place
Stamp
Here
GRIZZLY INDUSTRIAL, INC.
P.O. BOX 2069
BELLINGHAM, WA
FOLD ALONG DOTTED LINE
Send a Grizzly Catalog to a friend:
Name_______________________________
Street_______________________________
City______________State______Zip______
TAPE ALONG
WARRANTY & RETURNS
Grizzly Industrial, Inc. warrants every product it sells for a period of 1 year to the original purchaser from the date of purchase. This warranty does not apply to defects due directly or indirectly to misuse, abuse, negligence, accidents, repairs or alterations or lack of maintenance. This is Grizzly???s sole written warranty and any and all warranties that may be implied by law, including any merchantability or fitness, for any par- ticular purpose, are hereby limited to the duration of this written warranty. We do not warrant or represent that the merchandise complies with the provisions of any law or acts unless the manufacturer so warrants. In no event shall Grizzly???s liability under this warranty exceed the purchase price paid for the product and any legal actions brought against Grizzly shall be tried in the State of Washington, County of Whatcom.
We shall in no event be liable for death, injuries to persons or property or for incidental, contingent, special, or consequential damages arising from the use of our products.
To take advantage of this warranty, contact us by mail or phone and give us all the details. We will then issue you a ???Return Number,?????? which must be clearly posted on the outside as well as the inside of the carton. We will not accept any item back without this number. Proof of purchase must accompany the merchandise.
The manufacturers reserve the right to change specifications at any time because they constantly strive to achieve better quality equipment. We make every effort to ensure that our products meet high quality and durability standards and we hope you never need to use this warranty.
Please feel free to write or call us if you have any questions about the machine or the manual.
Thank you again for your business and continued support. We hope to serve you again soon.