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308–532
INSTRUCTIONS-PARTS LIST
Rev A
This manual contains IMPORTANT
WARNINGS and INSTRUCTIONS READ
AND RETAIN FOR REFERENCE
HYDRA-CLEAN 3540, 4043
Pressure Washers
HYDRA-CLEAN 3540, 12.5 HP ENGINE
P/N 800–706, Series A
3500 psi (241 bar) OPERATING PRESSURE
3900 psi (269 bar) MAXIMUM WORKING PRESSURE
HYDRA-CLEAN 4043, 16 HP ENGINE
P/N 800–707, Series A
4000 psi (276 bar) OPERATING PRESSURE
4300 psi (296 bar) MAXIMUM WORKING PRESSURE
GRACO INC. P.O. Box 1441 MINNEAPOLIS, MN 55440–1441
COPY
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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 To reduce the risk of serious bodily injury, including fluid pressure. Spray from the gun, leaks or ruptured injection and splashing in the eyes or on the skin, components can inject fluid through your skin and i
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FUEL AND EMISSION HAZARDS NEVER fill the fuel tank while the unit is running or hot. NEVER alter the maximum throttle setting, which is The fuel used in this unit is combustible and when factory set. Tampering with this adjustment can spilled on a hot surface can ignite and cause a fire. damage the pressure washer and will void the warranty. ALWAYS fill tank slowly to avoid spilling. NEVER operate the unit in a closed building. The exhaust contains carbon monoxide, a poisonous, odorless, invisib
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MOVING PARTS HAZARD Moving parts can pinch or amputate fingers or other Pressure Relief Procedure before checking or body parts. KEEP CLEAR of moving parts when servicing the pressure washer to prevent discharging starting or operating the pressure washer. high pressure fluid from the gun. NEVER operate the pressure washer without all guards and interlocks installed and functioning. Follow the TERMS WARNING: Alerts user to avoid or correct conditions CAUTION: Alerts user to avoid or correct co
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INSTALLATION QUICK COUPLER TEE HANDLE (4043 ONLY) HIGH PRESSURE HOSE CONNECTION SPRAY GUN QUICK COUPLER WATER SUPPLY CONNECTION SPRAY HOSE Figure 1 Check for Shipping Damage Connect to Water Supply Check the unit for any damage that may have occurred CAUTION in shipping. Notify the carrier immediately if there is Before attaching to the water supply, check your any damage. local plumbing code regarding cross– connection Set Up to the water supply . A backflow preventer , P/N 801–133, is ava
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STARTUP Always use this startup procedure to ensure that the If the engine is cold, completely close the engine unit is started safely and properly. choke. Press the start button. In cool weather, the choke may have to be kept closed for 10 to 30 1. Check oil levels. seconds before opening it to keep the engine running. Otherwise, open the choke as soon as the Engine: Add SAE 30 or 10W–30 weight detergent engine starts. oil as necessary. If the engine is warm, leave the choke open or Pump: Add
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Trigger Safety Latch Installing and Changing Spray Tips WARNING WARNING To reduce the risk of serious bodily injury, including To reduce the risk of serious bodily injury , fluid injection or splashing in the eyes or onto the including fluid injection, splashing in the eyes or skin, use extreme caution when changing spray on the skin, ALWAYS engage the trigger safety tips. ALWAYS follow the procedure below. latch whenever spraying stops, even for a moment. 1. Follow the Pressure Relief Procedure
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SHUTDOWN, FLUSHING MAINTENANCE AND STORAGE Observing regular maintenance intervals helps ensure WARNING that you get maximum performance and life from the pressure washer. Pressure Relief Procedure To reduce the risk of serious bodily injury , There is a break–in period for the engine and pump. including fluid injection and splashing in the eyes, After changing the oil in these components following or on the skin, always follow this procedure their respective break–in periods, the interval betwe
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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 Engine will not start or No gasoline in fuel tank or carburetor. Fill the tank with gasoline, open fuel shut off valve. is hard to start Check fuel line and carburetor. Low oil level. Add to proper level. Start/Stop switch in Stop positio
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PARTS DRAWING 800–706 Hydra–Clean 3540 Pressure Washer 76 77 89 37 1 2 87 62 63 88 5 5 5 2 87 38 46 48 86 47 3 85 4 5 50 6 49 51 61 60 58 53 57 52 71 33 58 72 34 57 54 73 35 56 70 74 36 55 59 7 32 9 64 8 31 29 2 11 28 15 5 1 2 5 27 44 65 10 5 67 30 6 66 68 5 16 2 25 17 24 20 19 69 18 5 26 23 13 42 12 84 14 22 43 39 40 89 69 87 26 42 41 83 81 79 82 5 80 75 91 78 92 21 90 308–532
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PARTS LIST 800–706 Hydra–Clean 3540 Pressure Washer REF PART REF PART NO. NO. DESCRIPTION QTY NO. NO. DESCRIPTION QTY 1 100–188 NUT, Hex 5/16–18 11 46 801–217 BUMPER, Rubber 1 2 100–214 WASHER, Lock 5/16 13 47 177–144 LABEL, Belt Guard 1 3 801–285 BELT, Drive 2 48 803–535 SCREW, Cap, Hex hd 1 49 803–796 SHEAVE, Pump 1 4 804–136 SHEAVE, Engine 1 50 801–898 HUB, Engine 1 5 100–023 WASHER, Flat 5/16 27 51 801–135 HUB, Pump 1 6 801–941 SCREW, Cap, Hex hd 52 801–959 TERMINAL PROTECTOR, Black1 5/16
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PARTS DRAWING 800–707 Hydra–Clean 4043 Pressure Washer 76 77 89 37 1 2 87 62 63 88 5 5 5 2 87 46 38 48 86 47 3 85 4 5 50 6 49 51 61 60 58 53 57 52 71 33 58 72 34 57 54 73 35 56 70 74 36 59 55 7 32 9 64 8 31 29 2 28 11 15 5 1 2 5 44 27 65 10 67 5 45 6 30 66 68 5 16 2 25 17 24 20 19 69 18 5 26 23 13 42 12 84 14 22 39 43 40 89 69 87 26 42 41 81 83 79 82 5 80 75 91 78 92 21 90 308–532
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PARTS LIST 800–707 Hydra–Clean 4043 Pressure Washer REF PART REF PART NO. NO. DESCRIPTION QTY NO. NO. DESCRIPTION QTY 1 100–188 NUT, Hex 5/16–18 11 46 801–217 BUMPER, Rubber 1 2 100–214 WASHER, Lock 5/16 13 47 177–144 LABEL, Belt Guard 1 3 801–814 BELT, Drive 2 48 803–535 SCREW, Cap, Hex hd 1 4 803–160 SHEAVE, Engine 1 49 803–068 SHEAVE, Pump 1 5 100–023 WASHER, Flat 5/16 26 50 801–898 HUB, Engine 1 6 801–941 SCREW, Cap, Hex hd 51 804–141 HUB, Pump 1 5/16–18 x 1 9 52 801–959 TERMINAL PROTECTOR
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PARTS DRAWING Pump Assembly 12 9 53 51 8 20 7 5 13 19 53 4 51 3 16 14 11 6 10 14 15 20 22 16 17 2 21 18 23 24 25 27 1 52 34 26 55 28 49 2 51 53 48 47 19 30 33 46 40 39 45 50 44 38 29 37 31 43 37 32 57 42 36 58 67 71 70 69 68 42 43 44 45 65 46 64 47 63 48 2 59 49 62 61 56 73 60 54 66 74 72 66 59 72 308–532
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PARTS LIST Pump Assembly REF PART REF PART NO. NO. DESCRIPTION QTY NO. NO. DESCRIPTION QTY 1 804–175 CRANKCASE 1 . 42 KIT C4 RING, Back Up 2 804–132 RING, Backup, valve cap 1 3 804–196 COVER, Crankshaft 1 43 KIT C4 O–RING, Valve Seat 4 801–028 O–RING, Oil Fill Cap 1 44 KIT C4 SEAT, Valve 5 801–027 CAP, Oil Fill 1 45 KIT C4 VALVE 6 804–190 O–RING, Crankcase Cover 1 46 KIT C4 SPRING, Valve 7 804–158 COVER, Crankcase 1 47 KIT C4 RETAINER, Valve Spring 8 804–171 GASKET, Sight Gauge 1 48 KIT C4 O–RI
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PUMP SERVICE Reassembly: Servicing the Valves 1. Carefully examine each ceramic plunger for 1. Remove the hex valve plug. scoring or cracks, replace if worn and slip onto 2. Examine the o–ring under the plug for cuts or plunger rod. distortion and replace if worn. Lubricate new o–ring Note: Ceramic plunger can only be installed one before installing. direction (front to back). Do not force onto 3. Grasp valve retainer by tab at the top with pliers rod. and remove from valve chamber . Valve parts
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Reassembly: Servicing Crankcase Section V–Packing Models: 1. While manifold, plungers and seal retainers are removed, examine crankcase seals for wear. 1. Lubricate high pressure packing area in manifold. 2. Check oil level and for evidence of water in oil. 2. Insert male adapter with notches down and “v” side up. 3. Rotate crankshaft by hand to feel for smooth bearing movement. 3. Lubricate v–packings and install one–at–a–time with grooved side down. 4. Examine crankshaft oil seal externally fo
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ACCESSORIES (Must be purchased separately) DOWNSTREAM CHEMICAL INJECTOR KIT WATER SANDBLASTING KIT 800–120 For abrasive cleaning of stubborn dirt and paint. 800–117 (3540) Requires a spray tip which is not included in kit (3540 800–649 (3540 & 4043) uses 803–107, 4043 uses 803–107). For injecting harsh cleaning chemicals downstream from the pump. 800–649 is stainless steel construction. ANTI–FREEZE FLUSH KIT 802–327 For flushing system with 50% anti–freeze solution prior UPSTREAM CHEMICAL INJE
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TECHNICAL DATA Model 800–706 Model 800–707 Engine (4 cycle, air–cooled) 12.5 HP Briggs & Stratton OHV 16 HP Briggs & Stratton OHV Battery 12 Volt, 30 AMP 12 Volt, 30 AMP 250 CCA 250 CCA Gasoline Tank Capacity 6 Gallon (23 Liter) 6 Gallon (23 Liter) Water Pump Maximum Working 3500 psi (241 bar) 4000 psi (276 bar) Pressure Water Pump Maximum Flow 4 gpm (15 lpm) 4.25 gpm (16 lpm) Inlet Hose Connection 3/4” garden hose (f) 3/4” garden hose (f) Weight 255 lbs (116 kg) 255 lbs (116 kg) Dimensions Len
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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
