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INSTRUCTIONS-PARTS LIST
This rnanulll
WARNINGS and INSTRUCTIONS
READ AND RETAIN FOR REFERENCE
HYDRA-CLEAN
Pressure Washer
~~
Model 800-902, Series A 230/460 Volt, 3 Phase, 10 GPM
Model 800-904, Series A 230/460 Volt,
700psi.(48 bar) OPERATING PRESSURE .
psi (75 bar) MAXIMUM WORKING PRESSURE
1100
Model 800-903, Serles A 230/460 Volt, 3 Phase, 10 GPM
Model 800-905, Serles A 230/460 Volt, 3 Phase, 20 GPM
( 6 9
10oO psi
bar) OPERATING PRESSURE
1300 p s i
(91 bar) MAXlMUM WORKlNG PRESSURE
Water supply tank, gun & wand assembly, hose assembly and motor starler are not included.
GRACO INC.
mntains
IMPORTANT
71 0,720,
8
3
Phase, 20 GPM
RO.
Box 1441 MINNEAPOLIS, MN 55440-1441
@COPYRIGHT 1991, GRAGO INC.
I
01 0,1020
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Related Manuals for Graco Hydra-Clean 720
Summary of Contents for Graco Hydra-Clean 720
- Page 1 1300 p s i (91 bar) MAXlMUM WORKlNG PRESSURE Water supply tank, gun & wand assembly, hose assembly and motor starler are not included. GRACO INC. 71 0,720, 01 0,1020 Phase, 20 GPM Box 1441 MINNEAPOLIS, MN 55440-1441 @COPYRIGHT 1991, GRAGO INC.
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Page 2: Read And Understand
FOR PROFESSIONAL USE ONLY. OBSERVE ALL WARNINGS. Read and understand FLUID INJECTION HAZARD General Safety m is pressure washer generates very 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. -
Page 3: Grounding Instructions
(GFCI). EQUIPMENT MISUSE HAZARD General Safety Any misuse of the pressure washer or accessories, such as overpressurizing, modifying parts, using incompatible chemicals and fluids, or using wom or damaged parts, can cause them... - Page 4 HANDLEAND ROUTE HOS€S W F F U L L Y D O not pull on hoses to move the pressure washer. Do not use chemicals which are not compatible with the inner tube and cover of the hose.
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Page 5: Installation
INSTALLATION Check Shipping Damage Check the unit for any damage that may have occurred in shipping. Notify the carrler Immediately If there Is damage. Before connectingthe unit, be sure the electrical sewice matches the specification in Technical Data (inside back cover) and the voltage label on the unit. With the off, unit connect the power supply cord to a grounded,... - Page 6 308-533 6. ALWAYS observe the following CAUTIONS to avoid costly damage to the pressure washer. CAUTION DO NOT allow the pressure washer to idle for minutes. Doing so may cause the more than 10 recirculating water to overheat and seriously damage the pump.
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Page 7: Installing And Changing Spray Tips
Tip holding holes are provided on the chassis To avoid blowing the O-ring out of the quick coupler, due to the high pressure in the system, never operate the pressure washer without a securely mounted in the quick coupler. Flgure 3... -
Page 8: Shutdown, Flushing And Storage
Pressure Rellef Procedure before proceeding. 1. If the pressure washer will be exposed to freezing temperatures, drain all water out of the pump. If it must be stored in freezing temperatures, flush the unit with a 50% anti-freeze solution. -
Page 9: Troubleshooting Chart
TROUBLESHOOTING CHART 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 before PROBLEM Low pressure andlor Wom or wrong size pump rough Inlet filter clogged. -
Page 10: Pump Service
PUMP SERVICE reduce the risk of serious bodily injury, including fluid injection, splashing on the skin, or injury from moving parts, always backup rings for three cylinders. follow the Pressure Relief Procedure Warnlng before proceeding. NOTE The following metric wrenches are needed: M10, M13 and M30. - Page 11 Servicing the V-Psckings NOTE: mere are two types of packing kits: one is packings only, the other includes the packings, rings and retainers. 1. Remove the manifold as outlined in the Pumping Section. 2. Carefully pull the packing retainer from the manifold.
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Page 12: Parts Drawing
PARTS DRAWING 800-902 Hydra-Clean@ 710 Pressure Washer 800-903 Hydra-Clean@ Pressure Washer I010 For wiring diagrams, see pages 13 and 15 9’ 308-533... - Page 13 LIST PARTS 800-902 Hydra-Clean@ 710 Pressure Washer 800-903 Hydra-Clean@ 1010 Pressure Washer PART DESCRIPTION BELT GUARD 803-566 SCREW. CaD. hex hd. 801 -940 100-21 4 WASHER, Lock, 5/16 100-527 WASHER, Flat, 5/16 800-447 CHASSIS 177-144 LABEL, Warning. belt guard 1...
- Page 14 PARTS DRAWING 800-904 Hydra-Clean@ 720 Pressure Washer 800-905 Hydra-Clean@ 1020 Pressure Washer For wiring diagrams, see pages 13 and 15 308-533...
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Page 15: Parts List
PARTS LIST Hydra-Cleans 800-904 Pressure Washer Hydra-Clean@ 1020 800-905 Pressure Washer PART DESCRIPTION 803-566 BELT GUARD 801 -940 SCREW, Cap, hex hd, 5/16-18X3/4 100-21 4 WASHER, Lock, 5/16 WASHER, Flat, 5/16 100-527 800-447 CHASSIS 177-144 LABEL, Warning, belt guard 8w-444... - Page 16 PARTS DRAWING Assembly, 10 GPM 803-577 Pump 308-533...
- Page 17 PART DESCRIPTION 803-657 SCREW, Cap, socket hd. 803-639 WASHER, Lock 16 KIT 62 VALVE ASSEMBLY 803-630 O-RING 803-61 COVER, Valve SCREW, Cap, socket hd. 803-655 K T T SEAL, Oil 803-606 CRANKCASE 801-475 DIPSTICK 803-615 GASKET, Cover KIT 74 SCREW, Piston O-RING KIT74 RING, Backup...
- Page 18 PARTS DRAWING Pump Assembly, 803-578 308-533...
- Page 19 PARTS LIST Assembly, 803-578 Pump PART DESCRIPTION 803-659 SCREW, Cap, socket hd. 803-640 WASHER, Lock VALVE ASSEMBLY KIT43 803-631 O-RING 803-650 CAI? Valve 803-624 COVER, Crankcase SEAL, Oil 803-617 CRANKCASE 803-648 DIPSTICK 803-627 GASKET, Cover KIT 74 SCREW, Piston KIT 74 O-RING RING, Backup KIT 74 KIT 74...
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Page 20: Technical Data
:an Cooled) Ilectrical Service 230 v011/20 phaseor Acrylonitrile and Buna-N wver and Bypass Synthetic yam and EPDM Hose Pressure Washer Anodized aluminum, Aluminum or Bronze alloys, Brass, Copper, Nylon- (including fittings) Ceramic. Buna- Thermoplastic. PTFE PTFE PTFE Prevent back-up supply.