INSTRUCTIONS-PARTS LIST This manual contains IMPORTANT WARNINGS and INSTRUCTIONS READ AND RETAIN FOR REFERENCE e 802-776, GRACO HYDRAlCLEAN 826 Pressure Washer c GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1444 @COPYRIGHT 1987 GRACO INC. .. . , . . . . . . .. . , . . ... .... .~ ~ .. . . . . , .. .I'.r7r ,,..>. .. .!... .. :..i .:. ..._. .,.. a. . . ... :,i ,,:' ..>.;,; ', , .
WARNING HIGH PRESSURE SPRAYCAN CAUSE SERIOUS INJURY. FOR PROFESSIONALUSE ONLY. OBSERVE ALL WARNINGS. Read and understand all instructionmanuals before operating equipment. FLUID INJECTION HAZARD General 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 theneed for amputation.
EQUIPMENTMISUSE HAZARD General Safety Any misuse of the pressure washer or accessories, such as overpressurizing, modifying pans, using incompatible chemicals and fluids, or using worn or damaged pans, can cause them to rupture and result in fluid injection, splashing in the eyes oron theskin, or other serious bodily injury or propeny damage. NEVER alter or modify any pan of this equipment, doing so could cause it to malfunction.
ASSEMBLYANSTALLATION SET-UP 1. Remove the two hood bolts, flats and locks, from the center bottom of eachside of the hood. Pivot the hood open. 2. Position the handle into the end of the chassis closest to the wheels. Line up the four mounting holes. Install the four 3/8 x 1 inch bolts from the outside of the chassis. Useflat washers only on head of bolt. Usea flat washer, lock washer, and nut oneach bolt on the insideof the chassis. 3. Connect one end of the 30 foot high pressure hose to thepump outlet.
j I Water Supply .. CAUTION Before connecting the water supply to the pump, check your local plumbing code regarding cross-connection to the water supply. A backflow preventor, Part No. 801-133. is available to prevent the back flow of contaminated water intothefresh watersupply. Install upstream from thepump. DO NOT exceed 160°F (70T) inlet water temperature. Higher temperatures will damage the pump packings. A. Check flow rate of the water supply.
Chemical Injector Opsration . . . 8. Be sure that the control ring oninjector ihe 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 thechemical metering valves on thecontrol panel. 9. Place the chemical strainer@) and chemical line(s1 into your chemical container(s). 10. Select which chemical i o u want touse with the chemical selector valve on thecontrol panel. 11.
SHUTDOWN. FLUSHING, AND STORAGE ~... 1: C After using the chemical injector system, it should be flushed out with water or a 50% antifreeze solution if unit will be exposed to freezing temperatures. This is best done by replacing the chemical container@)with a bucket of water or a 50% antifreeze solution. Operate pressure washer as described in start-up. Draw water or antifreeze solution into both chemical lines until it passes through the injector.
TROUBLESHOOTING CHART WARNING To reduce the riskof serious bodily injury, including fluid injection, splashing in the eyes oron the skin, or injUryfrOmmOVingparts, alwaysfollowthe Pressure Relief Procedurewarning on page7beforeproceeding. CAUSE PROBLEM Low Pressure . Worn nozzle. Coupling slippage. Air leak in inlet plumbing. : , . Inlet filterclogged. Water leakagefrom under the manifold. Water in pump crankcase. Frequent or premature failure of the packing. Worn packings. Oil seal leaking.
c PUMP SERVICE . . WARNING To reduce the riskof 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. ~~ NOTE: The following metric wrenchesare needed: M6, M10, M30 Allenwrenches. A pump repair.tool kit, P/N 800-271, is available, It includes packing, extraction and insenion tools. Repair kits are available.
4. Inspect the plunger shah for oil leakage from the crankcase. If leaking is obvious, replace the oil 8. Install the six Allen head cap screws (201) and washers (202) finger tight. Torque the screws to 15.9 h-lb (2.2 Nm) following the tightening pattern in Figure3. Uneven tighteningmaycause the manifoldto bind orjam. seals (214). Otherwise, DO NOT remove these seals as they cannot bereused. NOTE: Oil Seal Kit, part no. 801-658, is available to replace both seals. 5.
C PARTS DRAWING DuBois 826, P/N 800-232 . . . . . - .... .; .... 22 '26 C " (Continued) . . . . . . . .-.. ;. . .:.. ,~.
\ o; 69 W WIRING DIAGRAM PARTS LIST DuBois 826, 800-232 REF. PART NO. NO. 1 602-664 2 802-637 3 801-666 4 800-118 5 801-935 6 801-957 ". 7 801-129 8 801-388 9 802-699 10 801-103 11 8 0 1 4.0" 9 12 801-090 13 801-875 14 801.605 16 801-015 17 801-3fiA ". 18 801-546 19 601-214 20 802-704 21 801-931 22 801-967 "_ lOb(4) i3(Ref.) DESCRIPTION HOOD PANEL End np, 1506 NOZZLE. Adjustable WAND SLEEVE, Safety LABEL Warning LABEL, Warning, Ground GUN LOCK. #10 SCREW.
PARTS LIST DuBois 826, 800-232 (Continued) REF. PART NO. NO. ~.
PARTS DRAWING Pump, 801 -864 L2z1 21 '5 PARTS LlST Pump, 801 -864 REF. PART NO. NO. 201 801-651 202 801-652 t t203 $204 801-470 $205 206 802-795 207 801-485 208 801-484 *209 t'210 '21 1 e21 2 '213 '*'214 "215 *'216 "21 7 -21 8 219 801-661 220 801-680 221 801 -659 REPAIR DESCRIPTION SCREW, M 8 WASHER VALVE O-RING PLUG MANIFOLD WASHER CAP. G 3/8 ESP HEAD RING PACKING INTERMEDIATE RING RETAINER. Packing O-RING OIL SEAL SCREW. Retainer WASHER O-RING BACK-UP RING PLUNGER FLINGER DIPSTICK ow.
PARTS DRAWING Chemical Injector, PARTS LIST Chemical Injector, 8 0 0 - 1 3 8 REF. PART NO. NO. 1 2 3 4 5 6 7 8 9 10 11 12 1' 3 801-684 801-686 801-687 801-688 801-689 801-690 801-784 801-692 801-693 801L694 801-695 801-696 801-697 ~~ ~~~ 14 801-698 15 801-682 DESCRIPTION NIPPLE. Hex, brass, 3/8 NPT O-RING - ."..NOZZLE NO. 2 O-RING CHEMJETBODY SPRING. . .~~. ", cone .".. BALL. SST O-RING O-RING VALVE SEAT SPRING O-RING NEEDLE/HOSE BARB ADJUSTMENT KNOB SPRING, retaining QTY.
THE GRACO WARRANTY WARRANTY by it and bearing t i5 name to be free from defects in Gram warrants all equipment manufactured material and wwkmanship an the date of sale by an authorized Gram distributor to the original of this warranty, Graco will, fora period of purchaser for use. As purchaser's sole remedy for breach Welw months from the date of sale. repair w replace any part of the equipment proven defective.