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Graco Inc. 801-392 manual

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Table of contents for the manual

  • Page 1

    This manual contains IMPORTANT WARNINGS and INSTRUCTIONS- READ AND RETAIN FOR REFERENCe 2104E.MODEL 800-053 SERIES "A" 2 150 psi (1 50 bar) OPERA TlNG PRESSURE 2250 psi (155 bar).MAXIMUM WORKING PRESSURE[...]

  • Page 2

    ~~JJj~~~~Q,&! [=;'b~~.j~~~ Fluids under high pressure from spray or leaks can penetrate the skin and cause extremely serious injury, including .the need for amputation. NEVER point the spray gun at anyone or any part of the body. NEVER put hand or fingersover the spray tip. NEVER try to stop or deflect leaks with your hand or body. ALWAYS [...]

  • Page 3

    , ..-.. : : REMOVE TAPE FROM PUMP CAP !’ I SPRAY GUN SPRAY HOSE r .. . .. :, .. L:’: ..,< , ... .~ Check Electrical Service and Plug In Before plugging in the sprayer. be sure the electrical service is 3 phase 220 V, 60 HAC. 20 Amp. With the ON-OFF switch in the OFF position, plug the power supplY cord into a grounded outlet. If you use an [...]

  • Page 4

    OPERATlQM : Startup ' . Before starting, be sure'to read the safety warnings and setup instructions. Turn on the water supply. Trigger the gun to release any back pressure. CAUTION I ', to the pump will result. Always be sure water Never run the cleaning unit dry. Costlydamage necessary. supply iscompletelyturned on before operating.[...]

  • Page 5

    . .. .I .. . . : .. ” .. : . -. PROBLEM -0w~pressure. ’ump runs extremely rough, Iressure low. Nater leakage from under :he manifold. Nater in pump crankcase. :requent or premature ailure of the packing. ;trow surging at the inlet lnd low pressure on the lischarge side. CAUSE Worn nozzle. Belt slippage. Air leak in inlet plumbing. Relief valve [...]

  • Page 6

    ectrtc motor wont run. Electric motor runs, but no output. CAUSE Power cord unplugged, or building circuit fuse blown Overload switch has opened. Power.cord unplugged, or building circuit fuse blown, Overload breaker has opened. Extension cord. Tip plugged. Displacement pump frozen or gear train damage. Check, replace Unplug power cord+, decrease p[...]

  • Page 7

    ,. . ,. , :. ..,,. Plungers Photo 4. 1)Using an M1 1 wrench, 2) Slide out the seal retainer with remove the plunger retainer. oil wick and rubber barrier slinger. 3) With a slight twisting motion, loosen the plunger from the plunger rod and remove. NOTE: The stud may remain when removed. with the retainer Disassemble and screw stud into plunger rod[...]

  • Page 8

    8 801-392[...]

  • Page 9

    i ! , Ref. No. 50 Includes items 51-66 62 -52 63 PARTS LIST REF PART DESCRIPTION NO. NO. 1 HOSE & GUN ASSY. see aun 2 4 3 5 8 6 9 10 13 11 14 17 16 19 18 20 21 22 23 24 25 801-001 800-036 800-01 5 800-037 801-390 801 -285 801 -231 801-140 801-129 801-131 801-221 801-382 801 -379 801-292 801 -380 801 -021 801 -088 801-298 801 -302 801-082 801-08[...]

  • Page 10

    REF PART DESCRIPTION NO. NO. Qn Items 77-90 are pump internal replacement parts. See exploded view of pump for details. 77 801-027 , CAP 79 801-267 . DISCHARGE 78 801-028 . O-RING, cap MANIFOI n 80 81 82 83 84 85 86 87 88 801-038 . RING, backup 89 801-039 . O-RING 90 801-040 . RETAINER, plunge1 . . . . - . . - . - - 1 1 1 3 3 3 3 3 3 3 3 3 3 3 numb[...]

  • Page 11

    PARTS DWAVVlMG Gun and Hose Assern I-3 '7 8 14 5 A Repair Kit 801 -083 Includes items A, B, C. D, E and F SERVICE 1. Re'move the 8 screws from the body halves (3) and (4). See the Parts Drawing. Separate the body halves. 2. Remove the Plug (14). spring (5) and ball (A) from the valve body (G). 3. Remove the snap ring (6). Then remove the [...]

  • Page 12

    ACCESSORIES (Must be purchased separately) CHECK VALVE 801 -1 33 CHEMICAL INJECTOR KIT 800-182 supply. lnstatl upstream from pump. Prevent back up of contaminated water into fresh For injecting harsh cleaning chemicals downstream from pump. WATER SANDBLASTER 800-103 ADJUSTABLE SAND SAVER 800-031 For abrasive cleaning of stubborn dirt and paint. For[...]