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Graco Inc. 802-777 manual

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Table of contents for the manual

  • Page 1

    .. . This manual contains IPAPQRTANT WARNINGS and 1NSTRUCTIONS READ AND RETAIN FOR REFERENCE er PIN 800-233 SERIES "A" 1200 psi (82 bar) OPERATING PRESSURE GWACQ BNC. P.O. BOX 1441 MWINNEAPOILUS, WWM 554404 OCOPYRIGHT 1987 GRACO INC.[...]

  • Page 2

    Gesaeual Safety This pressure washer generates very high fluid pressure. Spray from the gun. leaks or ruptured components can inject fluid through your skin and into your body and cause extremely serious bodily injury, including the need for amputation. Also, fluid cause serious damage. In addition, some cleaning injected or splashed into the eyes [...]

  • Page 3

    ~~~~~~~~~~n~~$~ HAZARD eapleoai Safeuy ,. Any misuse of the pressure washer or accessories, such as overpressurizing, modifying parts, using damaged parts, can cause them to rupture and result incompatible chemicals and fluids, or using worn or in fluid injection, splashing in the eyesor ontheskin, or other serious bodily injury or property damage.[...]

  • Page 4

    1. Remove the two hood bolts, flats and locks, from the hood open. the center bottom of each side of the hood. Pivot 2. Position the handle into the end of the chassis closest to the wheels. Line up the four mounting outside of the chassis. Use flat washers only on holes. Install the four 318 x 1 inch bolts from the head of bolt. Use a flat washer,[...]

  • Page 5

    Water Supply CAUTION pump, check your local plumbing code Before connecting the water supply to the regarding cross-connection to thewater supply. A backflow preventor. Part No. 801-133, is contaminated water intothefreshwatersupply. available to prevent the back flow of Install upstream from the pump. temperature. DO NOT exceed 160°F (7OOC) inlet[...]

  • Page 6

    Chemical Injector Operation 8. Be sure that the control ring on the injector is open two full turns from the closed position. To check this, the hood must be opened. Once the control ring is open, it may be left alone. The chemical mixture is controlled by the chemical metering valves on the control panel. 9. Place the chemical strainer@) and chemi[...]

  • Page 7

    ~~~~U~~ Pwssure 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 when checking or servicing any part of the procedure whenever you shut off the pump, system, when installing or changing spray tips, and whenever you stop spraying for more than 10 min[...]

  • Page 8

    TROUBLESHOOTING CHART. ~A~~~~~ 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 on page 7 before proceeding. PROBLEM Low Pressure Pump runs exiremely rough, pressure low. Water leakage from under the manifold[...]

  • Page 9

    PUMP SERVICE To reduce the risk of serious bodily injury, including fluid injection, splashing in the eyes or on the skin, or ~A~~O~~ injury from moving parts, always follow the Pressure Relief Procedure Warning on page 7 before proceeding. NOTE: The following metric wrenches are needed: M6 Allen wrench, M10, and M30. A pump repair tool kit, P/N 80[...]

  • Page 10

    4. Inspect the plunger shaft for oil leakage from the crankcase. If leaking is obvious, replace the oil .seals (216). Otherwise, DO NOT remove these seals as they cannot be reused. NOTE: Oil Seal .Kit, part no. 801-658, is available to replace all three seals. 5. Lightly grease the oil seal (if it is being replaced) and the flinger, and replace the[...]

  • Page 11

    PARTS DRAWING Hydra-Clean 1235, P/M 800-233 (Continued) .... . .. .. . . 802-777 11[...]

  • Page 12

    PARTS DRAWING Hydra-Clean 1235 WIRING DIAGRAM PARTS LIST Hydra-Clean 1235, P/N 800-233 REF. PART NO. NO. 1 802-760 COVER, Switch DESCRIPTION ON. 2 801-892 CORD W/PLUG, 12/3 x 8' 1 4 801-223 SWITCH 1 1 5 801-894 SCREW, Ground 6 802-980 BOX. Switch (with plug) ' ' 1 7 801-931 GRIP. Cord lPB1D 1 2 , ~~~~ 8 802-153 CORD (12/3) 9 802-685 [...]

  • Page 13

    .~ ., REF. PART ': NO. NO. 21 801-009 22 801-090 24 801-605 23 801-967 25 801-875 27 801-546 28 801-015 29 801-363 30 801:214 31 801-813 33 801-025 34 801-023 35 802-729 36 801-878 37 801-818 38 801.879 39 801-235 40 801-880 41 801-857 42 802-648 43 801-024 44 801-940 45 802-703 46 800-247 47 802-730 49 801-112 48 801:910 50 802-735 51 801-683[...]

  • Page 14

    PARTS DRAWING Pump, 802-629 205 I 2044 203 20; PARTS LIST Pump, 802-629 REF. NO. 201 202 t t 203 $204 $205 ,206 207 209 208 *211 210 t*212 *213 *215 *214 +** 21 6 **217 -218 ** 220 *f 219 221 222 223 PART 801-651 NO. 801-652 801 -470 802-319 801 484 801-485 801 -483 801 -482 801 -661 801-660 801-659 WASHER CAP, 318 NPT WASHER CAP, 1 /2 NPT PACKING [...]

  • Page 15

    PARTS DRAWING Chemical Injector, 800-138 1 I1 I I I i I I PARTS LIST Chemical Injector, 800-138 REF. PART NO. NO. DESCRIPTION 1 801-684 NIPPLE, Hex, brass, 3/8 NPT QTY. 2 801-685 O-RING 1 1 3 801-687 NOZZLE NO. 2. (16-21 I/min) 4 801-688 O-RING 1 5 801-689 CHEMJET BODY 1 6 801-690 SPRING, cone 1 7 801-784 BALL 1 1 8 801-692 O-iNG 9 801-693 O-RING 1[...]

  • Page 16

    THE GRACO WARRANTY WARRANTY Gram warrants all equipment manufactured by it and bearing is name to be free from defects in material and workmanship on the date of sale by an authorized Graco distributor to the original purchaser for use. As purchaser's sole remedy for breach of this warranty, Graco will, for a period of twelve months from the d[...]