General Safety

mis pressure washer generates very high fluid pressure. Spray from the gun, leaks or ruptured components can inject fluid throughyour skin and into your body and cause extremely seriousbodily injury including the need for amputation. Also,fluidinjectedor

splashed into the eyes or on skinthe can cause serious damage.

NNE R point the spray gun or wand at anyone or at any part of the body.NNER put hand or fingers over the spray tip.

ALWAYSfollow thePressure ReliefProcedure,before cleaningor servicing any part of the sprayer.

NNE R try to stop or deflect leaks withyour hand or body.

Be sure equipment safety devices are operating properly before eachuse.

Medical Treatment

If any fluid appears to penetrate your skin, get

EMERGENCY MEDICALTREATMENTATONCEDO. NOT TREATAS A SIMPLE CUT. Tell thedoctor exactly what fluid was injected.

NOTE TO PHYSICIAN lnjectioninthe skinis a traumatic injur,! It IsImportantto treat the injury surglcaily as soon as possible. Do not delay treatment to research toxicity Toxicity is a concern with some exotic coatings injected direct&intothe bloodstream. Consultationwith a

plastic surgeon or reconstructivehandsurgeon may be advisable.

Pressure Relief Procedure

To reduce the risk of seriousbodilyinjury, includingfluid injection and splashing in the eyesor on the skin, always follow this procedure whenever you stop spraying for more than10minutes, when shutting down, and before checking01 repairing any partofthesystem.

1.Engage the trigger safety latch.

2.Tum the sprayer off.

3.Disconnect the electrical supply.

4.Shut off the water supply.

5.Disengage the trigger safety latch and trigger the gunio relieve pressure, and then engage the trigger safety latch again.

6.Before long-term (overnight) storage, disconnect the water supply and disconnect the electricity.

Spray Gun Safety Devices

Be sure all gun safety devices are operating properly before each use.Do not remove ormodify any part of the gun; this can cause a malfunction and result in serious bodily injury.

SAFETY LATCH: Whenever you stop spraying for a moment, always set the gun Safety latchinthe engaged

or "safe"position, making the gun inoperative. Failureto properly set the safety latch can resultin accidental triggering of the gun.

SPRAY TIP SAFEPI: Use extreme caution when cleaning or changing spray tips. If a spray tip clogs

while spraying, engage the gun safety latch immediately. ALWAYS follow the Pressure Rellet Procedureand then remove the spray tipto clean it.

To comply with the National Electrical Code(NFPA 70) and to provide additional protection from the riskof electric shock, connect this pressure washerto circuit

that is protected by a ground-fauit circuit-intempter (GFCI).

EQUIPMENT MISUSEHAZARD

General Safety

Any misuse of the pressure washer or accessories, such as overpressurizing, modifying parts, using incompatible chemicals and fluids,or using wom or damaged parts, can cause themto rupture andresunin fluid injection, splashing in the eyesor on the skin, or

other serious bodily injury, fire, explosion or property damage.

NEVER alteror modifyany part ofthis equipment;doing so could cause it to malfunction.

CHECK ail spray equipment regularly and repair or replacewom or damaged parts immediately.

ALWAYS wear protective eyewear and appropriate clothing. Ifusing a chemical injector, read andfollow the chemical manufacturer???s literature for recommendations on additional protective equipment, such as a respirator,

System Pressure

This sprayer can develophigh operating pressure. Be sure thatall spray equipment and accessories are rated to withstand the maximum working pressure of this

sprayer. DO NOT exceed the maximum working

pressure of any component or accessory usedin the . . system.

Chemical Compatibility

BE SURE that ail chemicals used in the chemical injector are compatible with the wetted parts of the

hose, gun, wand andtip, as giveninthe Technical Data (inside back cover). Always read the chemical manufacturer???s literature beforeusing any chemical in this pressure washer.

HOSE SAFETY

High pressure fluidinthe hoses canbevery dangerous. If the hose developsa leak, splitor rupturedue to any kind of wear, damage or misuse, the high pressure spray emittedfrom it can causeafluid injectioninjury or other seriousbodily injury or property damage.

ALL FLUID HOSESMUST HAVE STRAlN RELIEFSON BOTH ENDS. The strain reliefs help protect the hose from kinks or bends at or close to the coupling, which can resultinhose rupture.

TlGHTEN all fluid connections securely before each use. High pressure fluid can dislodgealoose coupling or ailow high pressure spray to be emitted from the

coupling.

MOVING PARTS HAZARD

NNE R use a damaged hose. Before each use,'check entire hosefor cuts, leaks, abrasion,bulging cwer, or damage or movement of the hosecouplings. Ifany of these conditions exist, replacethe hose immediately. DO NOT try to recouple high pressure hose or mendit with tape or any other device.A repaired hose cannot contain the high pressure fluid.

HANDLEANDROUTE HOS???S WFFULLY DOnot pull

on hoses to move the pressure washer. Do not use chemicals which are not compatible with the inner tube

and cover ofthe hose. DO NOT expose Graco hoseto temperatures above200" F (93' C) or below -40'F

(-400 C).

Moving parts can pinch or amputate fingers or other body parts.K??????P CLEARof moving parts when starting or operating the pressure washer.

NNER operate the pressure washer without all guards and interlocks installed and functioning. Follow the

Pressure Relief Procedure before checking or servicing the pressure washer to prevent discharging high pressurefluid from the gun.

Check for Shipping Damage

Check the unit for any damage that may have occurred in shipping.Notifythe carrler Immediately If there Is

any damage.

Set UP.

Beforeconnectingthe unit, besure theelectrical sewice matches the specification in Technical Data (inside

back cover) and the voltage label on the unit. With the unit off, connect the power supply cordto a grounded, GFCI-protected circuit.

If you are usinga downstream chemical injector, install it between the pump unloader and the high pressure hose.

Connect the high pressure hose between the pump outlet and the gun inlet.

CAUTION

Up to 100 ft (30 m) of high pressure hose may beused. Longer hoses may affect sprayer performance, and chemical injector performance, if used.

Install the appropriate spray tip on the wand. See

Installing and ChangingSpray Tips. If you areusing a sandblaster kit, see its separate manual for installation

instructions.

Connectto Water Supply

CAUTION

Before attachingto the water supply, check your

local plumbing code regarding cross-connection to the water supply.

A backflowpreventer P/N 801-133 is availableto prevent bacMlowof contaminated water into the fresh water supply. Install it upstream from the

Pump.

Install a regulating water valve, P/N 800-258, if inlet water pressure is Over60 psi (4.1 bar).

Do not exceed 160" F (70' C) inlet water temperature.

NOTE The water source for the unit must have a minimum 55 gallon float valve controlled

water holdingtank.

STARTUP

Use this procedure whenever starting the pressure washer to help insure that the unitis ready to operate and startingis done safely.

1.Check theoil level.

Pump: Add SA??? 20 or 30 weight non-detergentoil as necessary.

2.lhm on the water supply.

CAUTION

Never run the unit dry. Costly damageto the pump will result. Always be sure the water supply is completely tumed on before

3.Trigger the gun until water sprays from the tip indicating that the airis purgedfrom the system.

4.Start the unit.

5.ALWAYS engage the gun???s trigger safety latch vhenever you stop spraying, even for a momentto reduce the risk of fluid injectionorsplashing in the eyes or on the skin if theisgunbumpedortriggered accidentally.

6.ALWAYS observethe followingCAUTIONSto avoid costly damageto the pressure washer.

CAUTION

DO NOT allow the pressure washerto idle for morethan 10minutes. Doingso may causethe recirculating water to overheat and seriously

damage the pump. Tumoffthe pressure washer if itwill notbesprayingor cleaning at least every 10minutes. If heated inlet waterisused, reduce this timefurther.

DO NOT run the pumpdly. which will quickly damage the pumpBe. sure the water supplyis fully tumed on before starting the pump.

DO NOT pump caustic materials; such materials may corrode the pump components.

7.Seethe chemical injector or sandblaster kit manual for detailed cleaning information if these accessoriesare used.

Trigger Safety Latch

WARNING

To reduce the risk of serious bodily injury, includingfluid injection, splashinginthe eyes or on the skin,ALWAYS engage the trigger safely latch whenever spraying stops, even for a

moment.

inthe engaged position, the trigger safety latch prevents the gun from being triggered accidentally by hand or if it is dropped or bumped.Besurethe latch is pushed fully down when engagingit or it cannot prevent the gun from being triggered. See Figure2.

TRIGGER SAFETY LATCHSHOWN ENGAGED

TRIGGER SAFETY LATCH SHOWN DISENGAGED

Figure 2

Installing and Changing Spray Tips

WARNING

To reduce the risk of serious bodily injury, including fluid injectionor splashingin the eyes or onto the skin, use extreme caution when changing spray tips. ALWAYS follow the procedure below.

1. Follow thePressure Relief Procedure.

2.Point the gun and wand away from yourself and anyone else.

3.Without holdingyour hand Over the spray tip(A), pull back the quick coupler ring(B), remove thetip and then release the ring. See Figure3.

4.Be sure thetip is secure before startingto spray again.

5. Tip holding holesare providedon the chassis

To avoid blowing theO-ring out of the quick coupler, dueto thehigh pressureinthe system, never operate the pressure washer withouttipa securely mountedin the quick coupler.

Flgure 3

SHUTDOWN, FLUSHING AND STORAGE

WARNING

PRESSURE RELIEF PROCEDURE

To reduce the risk of serious bodily injury, including fluid injection and splashingin the eyes, or on the skin, always follow this

procedurewhenever you stopsprayingformore than 10 minutes, when shutting down, and before checking or repairing any part of the system.

1.Engage the trigger safely latch.

2.TUm the sprayer off.

3.Disconnect the electrical supply.

4.Shut off the water supply.

5.Disengage the trigger safety latch and trigger the gun to relieve pressure, and then engage the trigger safely latch again.

6.Before long-term (overnight) storage, disconnect the water supply and disconnectthe electricity.

1.Ifthe pressure washerwill be exposed to freezing temperatures, drain all water out of the pump. If it must be storedin freezing temperatures, flush the unit with a 50% anti-freeze solution. Relieve pressure. Flushthe pressure washer beforeusingit again to remove the anti-freeze.

CAUTION

If water does freeze in the pressure washer, thaw it ina warm room before trying to startit. DO NOT pour hot water on or into the pump;it

2.After each use, wipe all surfaces of the pressure washer witha clean, dampcloth.

3.Perform the appropriate maintenance. See the maintenance chart.

MAINTENANCE

Observing regular maintenance intervals helps ensure that you get maximum performance andlife from the

pressure washer.

There is a break-inperiodfor the pump. After changing the oil initially,the interval between required changesis

longer.

WARNING

To reduce the risk of serious bodily injury,

including fluid injection, splashingthe eyes or on the skin or injury from moving parts, always followthe Pressure RellefProcedureWamlng

Each 500hours Change pump oil. Use SAE 20 or of operationor 30 non-detergent oil.

6 months

Check powerwrd.

Check fuse/clrcuiI breaker. Check for proper grounding.

Press resetb m non motorfor 1 phase units. Press stop button on the mdor siarter3forphase unih.

Servicing the V-Psckings

NOTE: mere are two types of packing kits: one is packings only, the other includes the

packings, rings and retainers.

1.Remove the manifold as outlinedin the Pumping Section.

2.Carefully pull the packing retainer from the manifold. Examine the O-ring andreplace it if it is cut or damaged.

3.Remove the v-packing andhead ring. Pullout the intermediate retainer ring. Remove the second v-packing and second head ring.

4.inspect all parts and replace as necessary.

5.moroughlycleanthe packing cavities and examine for debris and damage.

6.Lightly grease the packing cavities and then replace the packings in thefollowing order: head ring, v-packing, intermediate ' ring, head ring, v-packing and packing retainer with theO-ring installed in the retainer groove.

CAUTION

install the parts in the proper order and facing the correct direction. Improperlyinstalledparts will cause a malfunction.

7.Reassemble the manifoldas instructedinServicing the Plungers.

PARTS LIST

800-902 Hydra-Clean@710 Pressure Washer

800-903 Hydra-Clean@1010 Pressure Washer

5 hp Wlrlng Diagram

230 Volt, 3 Phase

308-533

QTY

4

4

1

1

4

4

2

2

2

2

2

2

1

2

1

1

1

1

1

1

1

1

1

1

1

1

1

13

I

I

I

I

I

\

40

7.5, 10 & 15 hp

Wring Diagram

230Volt, 3 Phase

QTY

4

4

1

1

4

4

2

2

2

2

2

1

2

1

1

1

1

1

1

1

1

1

1

1

1

am

3

3

a

2

1

1

2

2

3

1

1

6

6

6

3

1

1

INLET PRESSURE REGULATOR 800-258

Regulates inlet water pressure to 60 psi (4 bar) maximum.

HOSE ASSEMBLY WITH QUICK COUPLERS 800-375

3/8??? diameterx 50foot x 4OOO psi(276bar) permanently coupled hose with801-568 and 801-569 3/8??? quick couplers.

Includes 803-350 spray gun, 3 2 spray wand, quick

coupler for hose connectionand adjustable nozzle.

800-042

Includes 800-222 stainless steel spray gun, 3 2 stainless steel spraywandand stainless steel threaded

connections for hose and spray tip.