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308–534
INSTRUCTIONS-PARTS LIST
Rev A
This manual contains IMPORTANT
WARNINGS and INSTRUCTIONS READ
AND RETAIN FOR REFERENCE
HYDRA-CLEAN 735, 740, 1035, 1040
Pressure Washers
Model 800–906, Series A 230/460 Volt, 3 Phase, 35 GPM
Model 800–908, Series A 230/460 Volt, 3 Phase, 40 GPM
700 psi (48 bar) OPERATING PRESSURE
1100 psi (75 bar) MAXIMUM WORKING PRESSURE
Model 800–907, Series A 230/460 Volt, 3 Phase, 35 GPM
Model 800–909, Series A 230/460 Volt, 3 Phase, 40 GPM
1000 psi (69 bar) OPERATIN
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WARNING HIGH PRESSURE SPRAY CAN CAUSE SERIOUS INJURY. FOR PROFESSIONAL USE ONLY. OBSERVE ALL WARNINGS. Read and understand all instruction manuals before operating equipment. FLUID INJECTION HAZARD General Safety Pressure Relief Procedure This pressure washer generates very high fluid pressure. To reduce the risk of serious bodily injury, including fluid Spray from the gun, leaks or ruptured components can injection and splashing in the eyes or on the skin, always inject fluid through your skin
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GROUNDING INSTRUCTIONS This product must be grounded. If it should malfunction DANGER or break down, grounding provides a path of least Improper connection of the equipment– resistance for electric current to reduce the risk of electric grounding conductor can result in the risk of shock. This equipment is equipped with a cord having an electrocution. Check with a qualified electrician or equipment–grounding conductor and a grounding plug. service person if you are in doubt as to whether The plu
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HOSE SAFETY High pressure fluid in the hoses can be very dangerous. If NEVER use a damaged hose. Before each use, check the hose develops a leak, split or rupture due to any kind entire hose for cuts, leaks, abrasion, bulging cover , or of wear, damage or misuse, the high pressure spray damage or movement of the hose couplings. If any of emitted from it can cause a fluid injection injury or other these conditions exist, replace the hose immediately. DO serious bodily injury or property damage. N
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INSTALLATION PUMP OIL LEVEL INDICATOR WINDOW HIGH PRESSURE HOSE PUMP DIP- CONNECTION STICK 2 x 1/2” NPT(f) WATER CONNECTION 2 x 1” NPT(f) Water supply tank, gun & wand assem- bly, hose assembly and motor starter are not included. Figure 1 Install the appropriate spray tip on the wand. See Check for Shipping Damage Check the unit for any damage that may have occurred in Installing and Changing Spray T ips. If you are using a shipping. Notify the carrier immediately if there is any sandblaster ki
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STARTUP Use this procedure whenever starting the pressure 6. ALWAYS observe the following CAUTIONS to avoid washer to help insure that the unit is ready to operate and costly damage to the pressure washer. starting is done safely. 1. Check the oil level. CAUTION Pump: Add SAE 20 or 30 weight non–detergent oil as DO NOT allow the pressure washer to idle for necessary. more than 10 minutes. Doing so may cause the recirculating water to overheat and seriously 2. Turn on the water supply. damage the
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Trigger Safety Latch Installing and Changing Spray Tips WARNING WARNING To reduce the risk of serious bodily injury , To reduce the risk of serious bodily injury , including fluid injection, splashing in the eyes or including fluid injection or splashing in the eyes on the skin, ALWAYS engage the trigger safety or onto the skin, use extreme caution when latch whenever spraying stops, even for a changing spray tips. ALWAYS follow the moment. procedure below. In the engaged position, the trigger s
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SHUTDOWN, FLUSHING AND STORAGE 1. If the pressure washer will be exposed to freezing WARNING temperatures, drain all water out of the pump. If it PRESSURE RELIEF PROCEDURE must be stored in freezing temperatures, flush the To reduce the risk of serious bodily injury , unit with a 50% anti–freeze solution. Relieve including fluid injection and splashing in the pressure. Flush the pressure washer before using it eyes, or on the skin, always follow this again to remove the anti–freeze. procedure wh
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TROUBLESHOOTING CHART WARNING 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 proceeding. PROBLEM CAUSE SOLUTION Low pressure and/or Worn or wrong size tip. Replace with tip of proper size. pump runs rough Inlet filter clogged. Clean. Check more frequently. Worn packings, abrasives in water or Check filter. Replace packings. See PUMP SERVICE. natur
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PUMP SERVICE Servicing the Plungers WARNING To reduce the risk of serious bodily injury , NOTE: Plunger repair kit, P/N 803–677 is available to including fluid injection, splashing in the eyes or replace retainers, o–rings, washers and on the skin, or injury from moving parts, always backup rings for three cylinders. follow the Pressure Relief Procedure Warning before proceeding. 1. Loosen the plunger retaining screw five to six turns, using an M10 wrench. Push the plunger towards the crankcase
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5. Thoroughly clean the packing cavities and examine Servicing the V–Packings for debris and damage. NOTE: There are two types of packing kits: one is packings only, the other includes the packings, 6. Lightly grease the packing cavities and then replace rings and retainers. the packings in the following order: head ring, v–packing, intermediate ring, head ring, v–packing 1. Remove the manifold as outlined in the Pumping and packing retainer with the o–ring installed in the Section. retainer gro
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PARTS DRAWING 800–906 Hydra–Clean 735 Pressure Washer 800–907 Hydra–Clean 1035 Pressure Washer 7 6 21 8 9 27 22 26 21 27 22 20 26 20 13 28 17 25 11 19 16 18 25 28 19 18 12 14 2 15 23 29 30 3 4 9 5 31 38 10 8 24 9 37 32 33 36 1 9 35 34 10
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PARTS LIST 800–906 Hydra–Clean 735 Pressure Washer 800–907 Hydra–Clean 1035 Pressure Washer REF PART REF PART NO. NO. DESCRIPTION QTY NO. NO. DESCRIPTION QTY 1 800–643 CHASSIS 1 17 803–517 LABEL, Keep From Freezing 1 2 803–788 BELT GUARD 1 18 803–585 NIPPLE, Hex, 1 2 3 801–940 SCREW, Cap, hex hd., 19 803–586 TEE, 1 2 5/16–18 x 1 5 20 202–965 SWIVEL, 1 x 3/4 2 4 100–214 WASHER, Lock, 5/16 5 21 214–956 HOSE, Bypass 2 5 100–023 WASHER, Flat, 5/16 5 22 168–595 ADAPTER, Hex, 1/2 x 3/4 2 6 801–817
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PARTS DRAWING 800–908 Hydra–Clean 740 Pressure Washer 800–909 Hydra–Clean 1040 Pressure Washer 7 6 21 8 9 27 22 26 21 27 22 20 26 20 13 28 17 25 11 19 16 18 25 28 19 18 12 14 2 15 23 29 30 3 4 9 5 31 38 10 8 24 9 37 32 33 36 1 9 35 34 10
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PARTS LIST 800–908 Hydra–Clean 740 Pressure Washer 800–909 Hydra–Clean 1040 Pressure Washer REF PART REF PART NO. NO. DESCRIPTION QTY NO. NO. DESCRIPTION QTY 1 800–643 CHASSIS 1 20 202–965 SWIVEL, 1 x 3/4 2 2 803–788 BELT GUARD 1 21 214–956 HOSE, Bypass 2 3 801–940 SCREW, Cap, hex hd., 22 168–595 ADAPTER, Hex, 1/2 x 3/4 2 5/16–18 x 1 5 23 803–872 LABEL, Graco G 1 4 100–214 WASHER, Lock, 5/16 5 24 803–396 LABEL, Warning 1 5 100–023 WASHER, Flat, 5/16 5 25 803–599 PLUG, 1 2 6 803–792 MOTOR, 25
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PARTS DRAWING 803–815 Pump Assembly, 35 GPM 803–816 Pump Assembly, 40 GPM 22 20 53 21 11 12 19 25 27 33 30 14 29 12 25 34 10 9 15 13 7 17 8 6 28 16 5 13 59 32 24 25 4 60 12 38 26 3 23 18 2 49 2 46 40 36 38 35 32 1 41 61 42 53 50 8 43 48 18 9 54 34 10 55 29 56 39 30 57 58 31 62 33 56 57 45 47 51 52
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PARTS LIST 803–815 Pump Assembly, 35 GPM 803–816 Pump Assembly, 40 GPM REF PART REF PART NO. NO. DESCRIPTION QTY NO. NO. DESCRIPTION QTY 1 803–659 SCREW, Cap, socket hd. 16 31 803–623 CRANKCASE 1 2 803–640 WASHER, Lock 20 32 KIT 44 SEAL, Oil 3 KIT 43 O–RING 33 803–654 SCREW, Cap, socket hd. 8 4 KIT 43 SEAT, Valve 34 803–637 BEARING, Roller, tapered 2 5 KIT 43 PLATE, Valve 35 801–484 CAP 1 6 KIT 43 SPRING, Valve 36 802–344 O–RING 1 7 KIT 43 GUIDE, Valve 38 803–634 SLEEVE 6 8 KIT 43 VALVE ASSEMBL
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ACCESSORIES (Must be purchased separately) DOWNSTREAM CHEMICAL INJECTOR KIT 800–117 BACKFLOW PREVENTOR 801–133 BRASS UP TO 5.5 GPM (21 LPM) Prevent back–up of contaminated water into fresh supply. Install upstream of pump. 800–425 BRASS 5.6 TO 10.8 GPM (21 TO 41 LPM) 800–649 STAINLESS STEEL UP TO 5.5 GPM (21 LPM) GUN & WAND ASSEMBLY For injecting harsh cleaning chemicals downstream from 800–392 the pump. Includes 803–350 spray gun, 32” spray wand and quick couplers for hose and spray tip connec
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TECHNICAL DATA Model 800–906 Model 800–907 Model 800–908 Model 800–909 Motor (Totally Enclosed 20 hp, 3 phase 25 hp, 3 phase 25 hp, 3 phase 30 hp, 3 phase Fan Cooled) Electrical Service 230 volt/50 amp/ 230 volt/65 amp/ 230 volt/65 amp/ 230 volt/75 amp/ 3 phase or 3 phase or 3 phase or 3 phase or 460 volt/25 amp/ 460 volt/35 amp/ 460 volt/35 amp/ 460 volt/40 amp/ 3 phase 3 phase 3 phase 3 phase Water Pump Maximum 700 psi (48 bar) 1000 psi (69 bar) 700 psi (48 bar) 1000 psi (69 bar) Working Press
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THE GRACO WARRANTY WARRANTY AND DISCLAIMERS Graco warrants all equipment manufactured by it and bearing its 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 twenty four months from date of sale, repair or replace any part of the equipment proven defective. This warranty applies only when the equipment is installed, o
