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Graco Inc. 801-644 manual

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Table of contents for the manual

  • Page 1

    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.[...]

  • Page 2

    iNJECT!ON HAZARD penetrate the skin and cause extremely serious Fluids under high pressure from spray or leaks can injury. including the need for amputation. NEVER point the spray gun at anyone or any part of the body. NEVER put hand or fingers over the spray tip. NEVER try to stop or deflect leaks with your hand or body. ALWAYS have the tip guard [...]

  • Page 3

    FUEL LINE I roN'oFFSW'TcH r-CHOKE RING the unit. Refer to the engine instruction booklet provided with Install Hose and Spray Gun Connect the spray hose to the spray gun by inserting the pin at the end of the hose into the quick the fluid outlet in the same way. disconnect coupler on the gun. Connect the hose to Cleaning Accessories For s[...]

  • Page 4

    startup Before starting, be sure to readthe safety warnings and setup instructions. Check the oil and gasoline levels. Turn on the water supply. Trigger the gun. Open the by-pass valve located on the pump. Open vent on fuel iank cap. Connen fuel line from tank to engine fuel coupling. Prime gas line by squeezing to the start position. bulb in line [...]

  • Page 5

    PROBLEM En ine Will Not Start Oraard To Start. Engine Misses Or Lacks Power Low Pressure 'ump runs extremely rough, xessure low. Nater kaka e from under he manifold! Nater in pump crankcase. ~~ :requent orprematurefailure )f the packmg. ;trong surging at the inlet ischarge side. nd low pressure on the " ! " I I " 1 I I I I I t[...]

  • Page 6

    6 801-644[...]

  • Page 7

    REF. PART NO. NO. DESCRIPTION QTY DESCRIPTION QlV REF. PART NO. NO. 1 800-130 GUN ASSEMBLY, see pans 32 801-137 KEY, pulley 1 33' 800-083 GAS TANK ASSEMBLY, see 1 2 '801-640 TIP. 0005 MEG, 1 /4 thd. 3 '801-667 TIP,'1505 MEG. 1/4 thd. 1 1 parts drawing/list page 8 34 '801-569 QUICK COUPLE, male 1 4 800-059 PUMP ASSEMBLY, see[...]

  • Page 8

    PARTS DRAWING Gas Tank Assembly, PARTS LIST Gas Tank Assembly, 800-083 REF. PART NO. NO. DESCRIPTION 1 801-577 TANK, gas QTY 2 801-578 CAP 1 3 801 -579 FUEL LINE KIT 1 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. , / i 4 3 2 13 PARTS LIST Unlo[...]

  • Page 9

    NOTE Hose, Quick Couplers with Gun Assembly -See & Spray Tips not included Pressure Washer Assembly Parts Drawing/List. page 6. 7. SERVICE Gun, Cartridge Replacement 1. Press access pin (1 4) from gun handle and remove access plate (16) by sliding plate backwards. Remove cartridge (5) from housing (6) by using a 19 mm socket wrench. 2. Check [...]

  • Page 10

    SERVICE pump (Refer to Parts drawing, Page 11) NOTE: Two sizes of metric wrenchesare necessary for servicing the pump; M13 and M30. Valves: 1. Remove the hex plug (5)from manifold(6)using M30 wrench. 2. Examine O-ring (4) under plug and replace if cuts or distortion exist. 3. Remove valve unit and O-ring (3) from cavity NOTE: Valve unit may comeapa[...]

  • Page 11

    PARTS DRAWING UNLOADER ASSEMBLY PACKING.& RETAINER (Three kits needed for entire pump.) KIT 801 -487 PLUNGER REPAIR Includes: KIT 801 -474 REF. Includes: NO. QTY. 801 -473 801 -486 NO. am. 8 2 Includes: Includes: 12 .3 9 1 REF. NO. an. . NO. 13 an. 17 3 10 1 11 3 8 6 18 3 19 3 1 20 1 REF. PARTS LIST Pump Assembly, 800-059 REF. PART REF. PART NO[...]

  • Page 12

    ACCESSORIES (Must be purchased separately) CHEMICAL INJECTOR KIT 800-117 For injecting harsh cleaning chemicals downstream WATER SANDBLASTER 800-120 For abrasive cleaning of stubborn dirt and paint. from pump. Spray tip not included in kit. BACK FLOW PREVENTOR 801-133 SANDBLASTER SPRAY TIP 801-667 supply. Install upstream from pump. Prevent back-up[...]