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This manual contains IMPQRTAfflT
WARNINGS and INOTRUCTIQMS
READ AND RETAIN FOR REFERENCE
Pressure Washer
P/N 800-066 SERIES A
3200 psi7220 bar) OPERATING PRESSURE
3400 psi (235 bar) MAXIMUM WORKING PRESSURE
i
GRACQ IN@. P.Q. %QX I'M1 MUNNIEAPOLDS, MN 5544GV444
OCOPYRIGHT 1984 GRACO INC.
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iNJECT!ON HAZARD FIRE Fluids under high pressure from spray or leaks can DO not spray flammable liquids. Do not operate the penetrate the skin and cause extremely serious engine where combustible fumes or:dust may be injury. including the need for amputation. present. NEVER point the spray gun at anyone or any part of GAS ENGINE ~~E~A~~~~~~ the body. NEVER fill fuel tank while engine is running or hot. NEVER put hand or fingers over the spray tip. Avoid the
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FUEL LINE I roN'oFFSW'TcH r-CHOKE RING Refer to the engine instruction booklet provided with Connect To Water Supply the unit. CAUTION Before attaching to water supply, check local Install Hose and Spray Gun plumbing code regarding cross-connection to Connect the spray hose to the spray gun by inserting water supply. the pin at the end of the hose into the quick disconnect coupler on the gun. Connect the hose to Do not exceed 160°F (70°C) water temperature to the fluid
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startup Shutdown and Care Of Unit Before starting, be sure to readthe safety warnings and When unit is not in use, turn ,off water supply. setup instructions. When shutting down for the day or weekend, shut off Check the oil and gasoline levels. unit, shut off water supply valve, and trigger gun to relearn pressure. Wipe off the unit with a damp rag. Turn on the water supply. Trigger the gun. Shut off cleaning unit when not actuallyspraying, for longer pump life. The pu
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PROBLEM CAUSE " En ine Will Not Start No gasoline in fuel tank or Fill the tank with gasoline, open fuel shut-off To Start. Oraard carburetor. valve. Check fuel line and carburetor. Water in gasoline or old fuel. Drain fuel tank and carburetor. Use new fuel and dry suark ulug. .. .- Choked improperly. Flooded Open choke and crank engine several times to engine. gas. I . Dirty carburetor air filter. Remove and clean. Spark plug dirty or improper Clean, adjust
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6 801-644
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REF. PART REF. PART QTY NO. NO. DESCRIPTION QlV 1 800-130 GUN ASSEMBLY, see pans 32 801-137 KEY, pulley 1 drawing/list page 9 1 33' 800-083 GAS TANK ASSEMBLY, see 2 '801-640 TIP. 0005 MEG, 1 /4 thd. 1 parts drawing/list page 8 1 3 '801-667 TIP,'1505 MEG. 1/4 thd. 1 34 '801-569 QUICK COUPLE, male 2 4 800-059 PUMP ASSEMBLY, see pans 35 800-058 RAIL STIFFNER WELDMENT 1 drawing/list page CHASSIS'WELDMENT 1 5 801-616 HANDLE '. 1 6 801-141 LABEL, warning 1 38 801-618 BELTGUA
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PARTS DRAWING Gas Tank Assembly, PARTS LIST Gas Tank Assembly, 800-083 REF. PART NO. NO. DESCRIPTION QTY 1 801-577 TANK, gas 1 CAP 1 KIT 1 Order parts by name and series letter of the assembly for which you are ordering, 1 PARTS DRAWING Unloader Assembly, 800-1 22 3000 PSI (207 bar) Max. PARTS LIST Unloader Assembly, 800-1 22 REF. PART NO. NO. DESCRIPTION QTY 1 800-044 SLEEVE ASSEMBLY 1 2 801-045 CAGE, valve 1 3 801-046 O-RING 2 4 801-047 SPRING 1
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NOTE Hose, Quick Couplers & Spray Tips not included with Gun Assembly -See Pressure Washer Assembly \ Parts Drawing/List. page 6. 7. PARTS LIST Gun Assembly, 800-130 REF. PART NO. NO. DESCRIPTION am 1 801-134 TUBE, 32 1 2 801-674 GRIP 1 3 801-009 COUPLER, female qui& dimnned 1 SERVICE 4 801438 SPRAY GUN, (replaceable Gun, Cartridge Replacement parts include items 5-18) 1 5 801-639 . CARTRIDGE 1 1. Press access pin (1 4) from gun handle and remove 6 801
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SERVICE pump (Refer to Parts drawing, Page 11) 8. Lubricate each plunger and carefully slide manifold NOTE: Two sizes of metric wrenchesare necessary onto crankcase. for servicing the pump; M13 and M30. 9. Replace the eight capscrews and snug them up. Valves: Torque to 21.7 ft. Ibs. (3 Wm). 1. Remove the hex plug (5)from manifold(6)using M30 wrench. . .NOTE: The eight capscrews must be torqued evenly to apply equal pressure on- the 2. Examine O-ring (4) under plug and rep
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PARTS DRAWING UNLOADER ASSEMBLY PACKING.& RETAINER KIT 801 -487 (Three kits needed for entire pump.) PLUNGER REPAIR Includes: REF. KIT 801 -474 NO. QTY. Includes: 801 -473 801 -486 NO. am. 8 2 12 .3 9 1 13 3 10 1 REF. REF. NO. an. . NO. an. 17 3 19 1 11 3 8 6 18 3 20 1 PARTS LIST Pump Assembly, 800-059 PART QN NO. NO. DESCRIPTION QTY 1 22 801-482 CAP, 1/2NPT 1 801-468 SCREW, M8 x 70 mm 8 2 801-469 WASHER 8 23 801483 WASHER 1 6 24 801-485 WASHER 1 4 801-470 O-RI
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ACCESSORIES (Must be purchased separately) WATER SANDBLASTER 800-120 CHEMICAL INJECTOR KIT 800-117 For injecting harsh cleaning chemicals downstream For abrasive cleaning of stubborn dirt and paint. from pump. Spray BACK FLOW PREVENTOR 801-133 SANDBLASTER SPRAY TIP 801-667 Prevent back-up of contaminated water into fresh supply. Install upstream from pump. TECHNICAL DATA ENGINE BRIGGS & STRAlTON 4 cycle, two cylinder. air cooled, 18 hp GASOLINE TANK 3 gallon (1 1.3
