Graco Inc. 800-051 manual

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Table of contents for the manual

  • Page 1

    TK~ manual contains IM'PORTANT WARNINGS and INSTRUCTIONS READ AND RETAIN FOR REFERENCE 1200 psi (83 bed OPERATING PRESSURE 1350 psi (9.3 bad MAXIMUM WORKING PRESSURE MODEL 8OO-051 SERIES B[...]

  • 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. IN JECTlON penetrate the skin and cause extremely serious injury, fluids under high pressure from spray or leaks can including the need for amputation. NNER point the spray gun at any[...]

  • Page 3

    IN s1 Check Electrical Service and Plug In service is 220 V, 60 HzAC, 20 Amp. With the ON-OFF Before plugging in the sprayer, be sure the electrical switch in the OFF position, plug the power supply cord into a grounded outlet. Do not remove the third prong of the plug1 If you use an extension cord, it mist have 3 wires of at least 12 gauge (2.5 mm[...]

  • Page 4

    CAUTION B the pump will result. Always be sure the water Never run the cleaning unit dry. Costly damage to supply is completely turned on before operating. Inspect all connections for any leaks. Tighten if necessary. Cleaning For cleaning with harsh chemicals, see the Chemical In- jector Kit manual 801-192. need to hold the spray nozzle from the su[...]

  • Page 5

    DISCHARGE VALVES & VALVE SEATS Disassembly 1. Loosen the 2 (M8) locking nuts about one turn. 2. Then remove the 2 (M8) flange nuts. 3. Grasp the discharge manifold with 3 fingers on the underside and tap with a soft mallet to remove. 4. Valve assemblies will remain with the manifold. In- vert manifold and discharge valve assemblies should fall [...]

  • Page 6

    Reassembly 1. Examine inlet valve surface and reverse if damaged. (Both sides are lap surfaces.) 2. Examine piston assembly for clean inlet surface. If damaged, replace and lubricate. NOTE: CUP INSTALLATION Wipe cup inserter lightly with oil. Slip backup ring onto piston. Force cup over inserter and tion causes premature failure. square with all su[...]

  • Page 7

    Low pressure (Cont.) Pump runs extremely low rough, pressure very Fouled or dirty inlet or discharge valves. Worn inlet or discharge valves. Leaky discharge hose. Inlet restriction andlor air leaks. Damag- ed cup or stuck inlet or discharge valve. Worn inlet manifold seals. Cylinder O-rings blown manifold next to discharge 0-Rings at the Leakage at[...]

  • Page 8

    DIAGNOSIS AND MAINTENANCE CONT I PROBLEM Short cup life (Cont.) inlet and low pressure Strong surging a the on the discharge side. Water leaking from valve stem I Short piston seal life. I Electric motor won't I run' while spraying Electric motor stops Electric motor runs, when starting; blows Electric motor labors fuses PROBABLE CAUSE Ab[...]

  • Page 9

    i trv L PARTS DRAWING Gun and Hose Assembly 3 14 5 A REF PART DESCRIPTION . NO. NO. QTV Repair Kit 801083 Includes items A, B, C. D, E and F SERVICE 1. Remove the 8 screws from the body halves (3) and halves. (41. See the Parts Drawing. Separate the body 2. Remove the plug (14), spring 15) and ball (A) from the valve body (GI. 3. Remove the snap ri[...]

  • Page 10

    STARTER SWITCH T91 Ts 11 T4 - - T8- - BLK BLK b MOTOR - GRN OFF ON SWITCH BLK POWER COR0 1213 WHT[...]

  • Page 11

    PARTS DRAWING (Includes Ref. No's. 7-12, 18) Piston kit 801 -322 Valve kit 801 -1 96 (Includes Ref. No's. 13-1 8) (Includes Ref. No's. 8, 12. 18) Cup kit 801-321 21 PARTS LIST REF PART DESCRIPTION NO. NO. an REF PART DESCRIPTION NO. NO. 2 1 3 800-016 MOTOR, 3 hp 8ooM)9 PUMP ASSEMBLY. includes items 801-270 . PUMP, Ref No. 4-6 are rep[...]

  • Page 12

    ACCESSORIES (Must be purchased separately) CHECK VALVE 801-133 Prevents back up of contaminated water into fresh CHEMICAL INJECTOR KIT 800-102 For injecting harsh cleaning chemicals downstream supply. Install upstream from pump. from pump. TECHNICAL DATA ELECTRIC MOTOR : WATER PUMP: 1200 PSI max. pressure: (15 litarlmin) 4 GPM WElTED PARTS :Stainle[...]