. I This manual contains IRAPORTA,MB WARMLNES and lMSTWUCPlQMS READ AND'RETAIM FOR REFERENCE P/N 800-076 SERIES B 2500 p s i ( 1 72 bar) OPERATING PRESSURE 3400 p s i (234 bar) MAXIMUM WORKING PRESSURE
OMJECTOGPN E-iaARD Fluids under high pressure from spray or leaks can penetratetheskinandcauseextremelyserious injury, including the need for amputation. NEVER point the spray gun at anyone or any part of the body. Beforeeach use, checkhose for weak, worn or damaged conditions caused by traffic, sharp corners, pinchingorkinking.Tightenallfluidconnections 'securelybeforeeach use. Replace any damaged hose. Do notusechemicalsoragentswhicharenot compatible with Buna-N.Viton, PVC, or neoprene cover of hose.
INSTALLATION CHECK FOR DAMAGE CONNECT TO WATER SUPPLY Check unit for any damage that may have occurred in shipping. Any damageshouldbenotedandthe carrier notified immediately. Refer to Parts Drawing on page 9. ELECTRICAL SERVICE The 1020E model comeswith an electric starter box unit. It is up to the which isnotattachedtothe installer to wire the motor to the starter and the starter to the powersource. 1020E is 230V The electrical service required for the / 6Ocycle / 50Amp / 3 phase.
WIRING DIAGRAM CAUTION Unit mustbe properlywired to230V/ 60cycle / 50 Amp (three phase) current. MOTOR JUNCTION BOX I I If theoptional 460V / 60 cycle / 25 Amp (three phase) current is desired, contact the manufacturer for further instructions.
ARE OPERATION AND SHUTDOWN STARTUP OF UNIT Before'starting, be sure to read the safety warnings and installation instructions. When the unit is not in use, turn off.the watersupply. When shutting down for theorday weekend,shut off the unit, shut off the water supplyvalve, and trigger the gun to relieve pressure. Wipeoff the unit with a damp rag. Check oil level in pump Turn on the water supply. CAUTION water supply is completely turned on and that the water tank is full before operating.
PARTS DRAWING Pressure Washer Assembly, 800-076 . . NOTE Item 1, Water Tank Assembly, is not shown: see page 9.
PARTS LIST Pressure Washer Assembly, 800-076 REF. PART NO. NO. 1 800-148 2 3 800-150 800.144 4 800-145 5 6 7 8 9 801-814 801-247 801-316 801-815 801-129 10 801-130 11 801-388 12 801-816 13 801-817 14 . 801.818 15 801-214 16 801.819 801-015 17 18 801-363 19 801-020 20 801-830 21 801-831 22 801.808 ' 23 801-809 24 801-810 1 25 801-81 26 801-316 REF. PART NO. NO. .ow DESCRIPTION QTYDESCRIPTION ". WATER TANK ASSEMBLY, 27 801 -822 PULLEY. motor, 3TE-58 1 Not Shown, see page 9 1 28 801-823 BUSHING.
PARTS DRAWING Gun Assembly, 800-145 PARTS LIST Gun Assembly, 800-145 REF. PART NO. NO. 801-134 2 801-674 3 801-117 801-638 4 1 SERVICE Gun, Cartridge Replacement 1. Pressaccesspin(12)fromgunhandleandremove access plate(14)byslidingplatebackwards. Remove cartridge (5) from housing (6)by using a 19 mm socket wrench. 5 6 7 8 9 2. Check inside housing to be sure all O-rings came 10 801-639 801-671 801-670 801-256 801-424 801-672 DESCRIPTION TUBE.
PARTS LIST Water Tank Assembly, 800-148 REF PART NO. NO. 801 1 -793 DESCRIPTION QTY NIPPLE, brass, low pressure, 2 3/4 npt x 1-3/8" long 801-794 2 BUSHING. brass, low 3 pressure, 1" npt x 3/4 npt 3 801.796 PLUG, brass, low pressure, 1 3/4 npt brass, TEE, 801.7974 low pressure, 3/4 npt x 1/4 npt 1 5 801-733 HOSE BARB. brass, 1/4 npt x 1/4 hose 1 6801-798 HOSE BARB. brass. 3/4 npt x 3/4 hose 23 1 . _... .~ 801-799 7 ELBOW, street, brass, low . .. . . pressure, 3/4 npt x 90° 25 ,,,... .... 1 \_".
SERVICE Pump (Refer to Parts Drawing, Page 11) NOTE: Three .sizes of metric wrenches necessaryforservicingthepump;M13, M30. and M10. are 7. Install retaining screw assembly into plunger and torque to 14.4 ft. Ibs. (2 K/m). 8. Lubricate each plunger and carefully slide Valves: 1. Remove the hex plug (1 6)from manifold(1 7)using M30 wrench. manifolds onto crankcase. 9.Replace the 16 capscrewsandsnugthem Torque to 21.7 ft. Ibs. (3 K/m). up. 2.
REF PART NO. NO. 800-122 1 801-416 2 801-316 3 4 801-786 801-787 5 6 801-788 801-121 7 8 801-789 801-123 9 10 801-570 801-790 11 . ...~ . . . .. . . .,.. . .... 12 801-468 13 801-469 14 801-852 801-470 15 16 801.648 17 801-781 18 801-774 DESCRIPTION an UNLOADER ASSEMBLY, see parts drawing/list, page 7 1 1 BUSHING. 3/8 NPT x 3/4 NPT 1 ELBOW. street, HP, 1/2 NPT NIPPLE, brass, 3/41 x 3 TEE,LP, brass, 3/4 NPT 1 1 BARB, 1/2 NPT x 3/4 BARB. 3/4 NPT x 3/4 26 2 2 BRACKET.
SERVICE TROUBLESHOOTING PROBLEM Low Pressure Worn nozzle. Belt slippage. I 1 Air leak in inlet plumbing. Relief valve stuck, partially plugged or improperly adjusted; valve seat worn. Tank outlet filter clogged. Worn packing. Abrasives in pumped fluid or severe cavitation. Inadequate water supply. Fouled or dirty inlet or discharge valves. Worn inlet or discharge valve. Leaky discharge hose. Restricted inlet or air entering the inlet plumbing. Inlet restrictions and/or air leaks.
ACCESSORIES (Must be purchased separately) WATER SANDBLASTER TANK 800-149 For abrasive cleaning of stubborn dirt and paint TECHNICAL DATA MOTOR: ELECTRLCAL SERVICE 20 hp Gould Century 230'4160 Hr/50 Ampl3 phase WATERTANK: 65 gallon I246 liters) WATER PUMP WETTED PARTS 2 5 W psi (172 bar) max. 10 GPM (38liter/min) Stainless Steel, Aluminum, Phenolic Plastic. Ceramic Liners. Nitrile Rubber TOTAL UNIT WEIGHT 650 Ib. 1295 kg) (Empty Tank) OVERALL DIMENSION: Water Tank Length: 21.5 in. (546mm) Width: 35.
THE GRACO WARRANTY Graco Inc. warrants all equipment manufactured by it and bearing its name to be free from defects in material and workmanship under normal useandservice.This warranty enends to the original purchaser for a period of 12 months from the date of purchaseand applies only when theequipment is installed and operated in accordance with written factory recommendations. This warranty does nor cover damage or wear which, in the reasonable judgment of Graco.
