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Graco Inc. 800-902 manual

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Table of contents for the manual

  • Page 1

    INSTRUCTIONS-PARTS LIST This rnanulll mntains IMPORTANT WARNINGS and INSTRUCTIONS READ AND RETAIN FOR REFERENCE HYDRA-CLEAN 8 71 0,720, I 01 0,1020 ~~ Pressure Washer Model 800-902, Series A 230/460 Volt, 3 Phase, 10 GPM Model 800-904, Series A 230/460 Volt, 3 Phase, 20 GPM 700psi.(48 bar) OPERATING PRESSURE . 1100 psi (75 bar) MAXIMUM WORKING PRES[...]

  • Page 2

    HIGH PRESSURE SPRAY CAN CAUSE SERIOUS INJURY FOR PROFESSIONAL USE ONLY. OBSERVE ALL WARNINGS. Read and understand all instruction manuals before operating equipment. FLUID INJECTION HAZARD General Safety mis pressure washer generates very high fluid pressure. Spray from the gun, leaks or ruptured components can inject fluid through your skin and in[...]

  • Page 3

    GROUNDING INSTRUCTIONS mis Droduct must be grounded. If it should malfunction 1- DANGER or bieak down, grounding provides a path of least resistance for electric current to reduce the risk of electric shock. This equipment is equipped with a cord grounding plug. The plug must be plugged into an having an equipment-grounding conductor and a aooromia[...]

  • Page 4

    HOSE SAFETY High pressure fluid in the hoses can be very dangerous. If the hose develops a leak, split or rupture due to any kind of wear, damage or misuse, the high pressure spray emitted from it can cause a fluid injection injury or other serious bodily injury or property damage. ALL FLUID HOSES MUST HAVE STRAlN RELIEFS ON BOTH ENDS. The strain r[...]

  • Page 5

    INSTALLATION PUMP OIL Check for Shipping Damage Check the unit for any damage that may have occurred in shipping. Notify the carrler Immediately If there Is any damage. Set UP. Before connectingthe unit, be sure the electrical sewice matches the specification in Technical Data (inside back cover) and the voltage label on the unit. With the unit off[...]

  • Page 6

    STARTUP washer to help insure that the unit is ready to operate Use this procedure whenever starting the pressure and starting is done safely. 1. Check the oil level. Pump: Add SA€ 20 or 30 weight non-detergent oil as necessary. 2. lhm on the water supply. CAUTION Never run the unit dry. Costly damage to the pump will result. Always be sure the w[...]

  • Page 7

    Trigger Safety Latch WARNING To reduce the risk of serious bodily injury, including fluid injection, splashing in the eyes or on the skin, ALWAYS engage the trigger safely latch whenever spraying stops, even for a moment. in the engaged position, the trigger safety latch prevents the gun from being triggered accidentally by hand or if it is dropped[...]

  • Page 8

    ~ ~~~~~ - ~~ .~ SHUTDOWN, FLUSHING AND STORAGE WARNING PRESSURE RELIEF PROCEDURE To reduce the risk of serious bodily injury, including fluid injection and splashing in the eyes, or on the skin, always follow this than 10 minutes, when shutting down, and procedure whenever you stop sprayingformore before checking or repairing any part of the system[...]

  • Page 9

    TROUBLESHOOTING CHART WARNING To reduce the risk of serious bodily injury, Including fluid injection, splashing in the eyes or on the skin, or injury from moving parts, always follow the Pressure Relief Procedure Warning before proceeding. I pump NnS rough Inlet filter clogged. I Low pressure andlor Wom or wrong size tip. Worn packings, abrasives i[...]

  • Page 10

    PUMP SERVICE Servicing the Plungers To reduce the risk of serious bodily injury, NOTE Plunger repair kit, P/N 803-677 is available to including fluid injection, splashing in the eyes or replace retainers, O-rings. washers and follow the Pressure Relief Procedure Warnlng on the skin, or injury from moving parts, always backup rings for three cylinde[...]

  • Page 11

    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 outlined in the Pumping Section. 2. Carefully pull the packing retainer from the cut or damaged. manifold. Examine the O-ring and replace it if it is 3. Remove the v-packing and hea[...]

  • Page 12

    PARTS DRAWING 800-903 Hydra-Clean@ I010 Pressure Washer 800-902 Hydra-Clean@ 710 Pressure Washer For wiring diagrams, see pages 13 and 15 9’ 7 12 308-533[...]

  • Page 13

    PARTS LIST 800-903 Hydra-Clean@ 1010 Pressure Washer 800-902 Hydra-Clean@ 710 Pressure Washer REF NO. 2 1 3 4 5 6 7 8 10 9 11 12 13 14 15 16 17 18 19 PART 803-566 NO. 801 -940 100-21 4 100-527 800-447 177-144 800-444 802-845 803-m 801 -020 172-981 176-250 803-560 801 -376 803-576 803-769 801-91 1 803-575 803-574 803-770 803-088 803-517 100-21 4 100[...]

  • Page 14

    PARTS DRAWING 800-905 Hydra-Clean@ 1020 Pressure Washer 800-904 Hydra-Clean@ 720 Pressure Washer For wiring diagrams, see pages 13 and 15 I 40 I I I I 14 308-533[...]

  • Page 15

    PARTS LIST 800-904 Hydra-Cleans 720 Pressure Washer 800-905 Hydra-Clean@ 1020 Pressure Washer REF NO. 2 1 4 3 5 6 7 8 10 9 11 12 13 14 15 16 17 18 19 NO. PART 803-566 801 -940 100-21 4 100-527 800-447 177-144 8w-444 802-845 803-777 801 -020 172-981 803-560 176-250 603-767 801 -623 803-878 803-879 803-575 803-574 603-880 803-776 803-517 100-133 802-[...]

  • Page 16

    PARTS DRAWING 803-577 Pump Assembly, 10 GPM 16 308-533[...]

  • Page 17

    REF NO. 2 1 8 9 11 10 12 13 14 15 16 17 19 18 20 22 21 24 23 25 26 28 27 29 30 PART NO. REF 803-657 SCREW, Cap, socket hd. DESCRIPTION QTY NO. 8 803-639 WASHER, Lock 16 31 KIT 62 VALVE ASSEMBLY 33 6 803-630 O-RING 34 6 35 803-61 6 COVER, Valve 803-655 SCREW, Cap, socket hd. 2 8 36 37 KTT 37 SEAL, Oil 803-606 CRANKCASE 3 38 1 801-475 DIPSTICK 1 39 4[...]

  • Page 18

    PARTS DRAWING 803-578 Pump Assembly, 20 GPM /- /- /- 22 27 18 308-533[...]

  • Page 19

    PARTS LIST 803-578 Pump Assembly, 20 GPM REF NO. 2 1 8 9 10 11 12 13 14 16 15 17 19 18 21 20 22 23 24 25 26 28 27 29 PART NO. DESCRIPTION 803-659 SCREW, Cap, socket hd. 803-640 WASHER, Lock KIT43 ' VALVE ASSEMBLY 803-631 O-RING 803-650 CAI? Valve 803-624 COVER, Crankcase KIT 44 SEAL, Oil 803-617 CRANKCASE 803-648 DIPSTICK 803-627 GASKET, Cover[...]

  • Page 20

    ACCESSORIES (Must be purchased separately) DOWNSTREAM CHEMICAL INJECTOR KIT BACKFLOW PREVENTOR 801-133 800-117 BRASS UP TO 5.5 GPM (21 LPM) 800-425 BRASS 5.6 TO 10.8 GPM (21 TO 41 Prevent back-up of contaminated water into fresh supply. Install upstream of pump. INLET PRESSURE REGULATOR 800-258 coupler for hose connection and adjustable nozzle. Inc[...]