AIR COMPRESSOR
66399
Set up and Operating Instructions
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Read this material before using this product. Failure to do so can result in serious injury. Save this manual.
Copyright?? 2008 by Harbor Freight Tools??. All rights reserved. No portion of this manual or any artwork contained herein may be reproduced in any shape or form without the express written consent of Harbor Freight Tools. Diagrams within this manual may not be drawn proportionally. Due to continuing improvements, actual product may differ slightly from the product described herein. Tools required for assembly and service may not be included.
For technical questions or replacement parts, please call
Revised Manual 10d
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Keep this manual for the safety warn- ings and precautions, assembly, operat- ing, inspection, maintenance and cleaning procedures. Write the product???s serial number in the back of the manual near the assembly diagram (or month and year of purchase if product has no number). Keep this manual and the receipt in a safe and dry place for future reference.
Safety Alert Symbol and Signal
Words
In this manual, on the labeling, and all other information provid- ed with this product:
This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death.
DANGER indicates a hazardous
situation which, if not avoided, will result in death or serious injury.
WARNING indicates a
hazardous situation which, if not avoided, could result in death or serious injury.
CAUTION, used with the safety
alert symbol, indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.
NOTICE is used to address practices not related to personal injury.
CAUTION, without the safety alert
symbol, is used to address practices not related to personal injury.
IMPORTANT SAFETY
INSTRUCTIONS
Instructions Pertaining to a Risk of Fire, Electric Shock, or Injury to Persons
WARNING! The metal parts of the compressor and hoses will become hot during use.
WARNING ??? When using tools, basic pre- cautions should always be followed, including the following:
General
a.To reduce the risks of electric shock, fire, and injury to persons, read all the instructions before us- ing the tool.
Work area
a.Keep the work area clean and well lighted.
b.Do not operate the tool in explo- sive atmospheres, such as in the presence of flammable liquids, gases, or dust. The tool is able to create sparks resulting in the ignition of the dust or fumes.
c.Use only the lubricants supplied with the tool or specified by the manufacturer.
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Symbols and
Specific Safety
Instructions
Symbol Definitions
Specific Safety Instructions
1.Do not use cigarette lighter adap- tor to power this unit. If powered with the battery of a vehicle, start and run engine during inflation period.
2.The warnings and precautions dis- cussed in this manual cannot cover all possible conditions and situations that may occur. It must be under- stood by the operator that common sense and caution are factors which cannot be built into this product, but must be supplied by the operator.
3.WARNING: Some dust created by power sanding, sawing, grinding, drill- ing, 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 and cement or other masonry products
???Arsenic and chromium from chemi- cally treated lumber
Your risk from these exposures var- ies, 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 equipment, such as those dust masks that are specially designed to filter out microscopic particles. (California Health & Safety
Code ?? 25249.5, et seq.)
WARNING: The brass components of this product contain lead, a chemi- cal known to the State of California to cause birth defects (or other repro- ductive harm). (California Health & Safety code ?? 25249.5, et seq.)
4.Only use with accessories rated to handle the forces exerted by this tool during operation. Other accessories not designed for the forces gener- ated may break and forcefully launch pieces.
5.Attach all accessories properly to the tool before connecting the air sup- ply. A loose accessory may detach or break during operation.
Vibration Precautions
This tool vibrates during use. Re- peated or
Anyone using vibrating tools regu- larly or for an extended period should first be examined by a doctor and then have regular medical check- ups to ensure medical problems are not being caused or worsened from use. Pregnant women or people who have impaired blood circulation to the hand, past hand injuries, ner- vous system disorders, diabetes, or
Raynaud???s Disease should not use this tool. If you feel any symptoms related to vibration (such as tingling, numbness, and white or blue fingers), seek medical advice as soon as pos- sible.
WARNING! The metal parts of the compressor and hoses will become hot during use.
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Functional Description
Specifications
Initial Tool Set Up/
Assembly
Read the entire Important Safety Information section at the beginning of this manual including all text under subheadings therein before set up or use of this product.
Note: For additional information regarding the parts listed in the following pages, refer to the Assembly Diagram near the end of this manual.
Unpacking
When unpacking, make sure that the item is intact and undamaged. If any parts are missing or broken, please call
Harbor Freight Tools at the number shown throughout the manual as soon as pos- sible.
???This air tool may be shipped with a protective plug covering the air inlet. Remove this plug before set up.
Note: Air flow, and therefore tool perfor- mance, can be hindered by under- sized air supply components.
1.The air hose must be long enough to reach the work area with enough extra length to allow free movement while working.
2.Turn the tool???s On/Off switch to the
???OFF??? position; refer to Operation section for description of controls.
3.Inspect the air connections for leaks.
Repair any leaks found.
Operating Instructions
Read the entire Important Safety Information section at the beginning of this manual including all text under subheadings therein before set up or use of this product.
Inspect tool before use, looking for damaged, loose, and missing parts. If any problems are found, do not use tool until repaired.
Tool Set Up
To prevent serious injury:
Do not adjust or tamper with any control or component in a way not specifically explained within this manual. Improper adjustment can result in tool failure or other serious hazards.
Work Piece and Work Area Set Up
1.Designate a work area that is clean and
2.Route the air hose along a safe route to reach the work area without creat- ing a tripping hazard or exposing the air hose to possible damage. The air hose must be long enough to reach the work area with enough extra length to allow free movement while working.
General Assembly and Operating
Instructions
1.Set tool on a dry, flat, level surface.
2.To prevent accidents, turn the On/Off
Switch (25) to the ???OFF??? position.
3.Attach the quick coupler of coiled Air Hose (59) to male connector at the end of Rubber Hose (53).
4.NOTE: Be sure to pull back on collar of Air Hose???s coupler. Then firmly insert connector into coupler. (See Figure 1.) Release collar, which will snap connector in place. Pull lightly on both hoses to ensure proper locking in the coupler.
Air House (59)
Coupler Collar
Male
Connector
Fig. 1
5.Attach the clamps on the Power Cord
(27) onto the 12V automotive battery
(not included) power source.
a.Connect RED clamp of the Com- pressor to the positive (+) terminal of the battery.
REV 10a
b.Connect BLACK terminal of the Compressor to a good ground source on the engine block.
WARNING! Do NOT connect it to the other battery terminal.
c.Note: The power source must not exceed 12V.
6.WARNING! Failure to follow the fol- lowing steps can lead to a blown fuse.
7.Be sure the valve stem is clean and free of dirt.
8.Flip the On/Off Switch (25) to the
???ON??? position. (See Fig. 2.)
On/Off Switch (25)
Fuse (26)
Fig. 2
9.Holding the Air Nozzle Grip (56), thread the Air Nozzle (55) onto the valve stem of the item to be inflated, or attach an alternate Inflator Nozzle
(61,62,63).
10.NOTE: When inflating,
Air Nozzle only. Do not
11.Monitor the Pressure Gauge carefully to avoid
Fig. 3, above.)
Fig. 3
12.Continue inflating until the recom- mended pressure is reached.
13.Stop the compressor by clicking the
On/Off Switch to its ???OFF??? position.
14.Remove the Air Nozzle by unthreading it from the valve stem.
NOTE: In the case of a football or soccer ball, pull the Needle Nozzle
(63), out of the ball valve orifice.
NOTE: After disconnecting the Com- pressor, it is advisable to verify tire pressure with a tire pressure gauge
(not included).
NOTE: Remember to replace the valve cap, where applicable.
15.If the tire pressure is low, repeat the steps beginning with Step 7.
16.Remove the clamps from the power source.
WARNING! The metal parts of the compressor and hoses will become hot during use.
REV 09f, 09h; 10a; 10d
Fig. 3
17.Allow this compressor to cool, then wipe down and replace into the stor- age bag supplied with this unit. (See Fig. 3.) Note: There is also a small storage bag for inflator nozzles that is attached to the Rubber Hose.
18.Store in a dry location.
Instructions
Procedures not specifically explained in this manual must be performed only by a qualified technician.
To prevent serious injury
from accidental operation: Turn off the tool, detach the Power supply clamps, safely discharge any residual air pressure in the tool, and release the throttle and/or turn the switch to its off position before performing any inspection, maintenance, or cleaning procedures.
To prevent serious injury from tool failure: Do not use damaged equipment. If abnormal noise, vibration, or leaking air occurs, have the problem corrected before further use.
Cleaning, Maintenance and
Lubrication
Note: These procedures are in addition to the regular checks and maintenance explained as part of the regular op- eration of the Air Compressor.
1.Wipe down the compressor with a clean dry cloth.
2.Check the hoses to be sure there are no cracks or worn areas.
3.Rotate Filter counterclockwise and remove from the compressor. Gently pry the cover from the threaded end.
Remove the filter, wash in warm wa- ter and liquid soap (no harsh powder soap), rinse thoroughly, and let dry
4.Insert back into the filter holder. Align the three indexing ribs on filter hous- ing with the three recessed grooves in the filter cover and push the cover, snapping it onto the housing. Thread the assembly back into the front cov- er, being careful not to cross thread it.
5.Lubricate the Shaft (30) and Piston
Ring (31) after using 20 times.
a.Remove four Screws (4) holding the
Front Cover (5) in place and slide the Front Cover off. (See Assembly Diagram.)
b.Put a drop or two of machine oil on the Shaft (30) and Piston Ring (31).
REV 10a
7. Slide out Fuse holder, replace old Fuse with new Fuse included in the
Troubleshooting
Follow all safety precautions whenever diagnosing or servicing the tool. Disconnect from inflated item before service.
REV 10d
Parts List
Parts List
Accessory LIST
61Inflator Nozzle 1 Medium size fill orifice
62Inflator Nozzle 2 Small size fill orifice
REV 10a
ASSEMBLY DIAGRAM
Limited 1 Year warranty
Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability standards, and warrants to the original purchaser that this product is free from defects in materials and workmanship for the period of one year from the date of purchase (90 days if used by a professional contractor or if used as rental equip- ment). This warranty does not apply to damage due directly or indirectly, to misuse, abuse, negligence or accidents, repairs or alterations outside our facilities, normal wear and tear, or to lack of maintenance. 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 product. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation of exclusion may not ap- ply to you. This warranty is expressly in lieu of all other warranties, express or implied, including the warranties of merchantability and fitness.
To take advantage of this warranty, the product or part must be returned to us with transportation charges prepaid. Proof of purchase date and an explanation of the com- plaint must accompany the merchandise. If our inspection verifies the defect, we will ei- ther repair or replace the product at our election or we may elect to refund the purchase price if we cannot readily and quickly provide you with a replacement. We will return re- paired products at our expense, but if we determine there is no defect, or that the defect resulted from causes not within the scope of our warranty, then you must bear the cost of returning the product.
This warranty gives you specific legal rights and you may also have other rights which vary from state to state.
3491 Mission Oaks Blvd. ??? PO Box 6009 ??? Camarillo, CA 93011 ??? (800)
Record Product???s Serial Number Here:
Note: If product has no serial number, record month and year of purchase instead.
Note: Some parts are listed and shown for illustration purposes only, and are not avail- able individually as replacement parts.
PLEASE READ THE FOLLOWING CAREFULLY
The manufacturer and/or distributor has provided the parts list and assembly diagram in this manual as a reference tool only. Neither the manufacturer or distributor makes any
representation or warranty of any kind to the buyer that he or she is qualified to make any repairs to the product, or that he or she is qualified to replace any parts of the product. In fact, the manufacturer and/or distributor expressly states that all repairs and parts replacements should be undertaken by certified and licensed technicians, and not by the buyer. The buyer assumes all risk and liability arising out of his or her repairs to the original product or replacement parts thereto, or arising out of his or her installation of replacement parts thereto.