Instructions – Parts List Parts Hydra–Cleanr 4043, 16 HP Engine Hydra–Cleanr 4043 Pressure Washer 308532M P/N 800707, Series B 4000 psi (27.6 MPa, 276 bar) Operating Pressure 4300 psi (29.6 MPa, 296 bar) maximum Working Pressure Important Safety Instructions Read all warnings and instructions in this manual. Save these instructions. See page 2 for Table of Contents. 06811 GRACO INC.ąP.O. BOX 1441ąMINNEAPOLIS, MNą55440-1441 Copyright 2002, Graco Inc. is registered to I.S.
Table of Contents Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Component Identification and Function . . . . . . . . . . . . 4 Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Pump Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
WARNING HAZARDOUS FLUIDS Improper handling of hazardous fluids can cause serious injury, even death, due to splashing in eyes, ingestion or bodily contamination. D Know specific hazards of fluid being used. D Store hazardous fluids in approved containers. Dispose of hazardous fluids per local, state and national guidelines. D Wear protective eyewear, gloves, clothing, and respirator as recommended by fluid manufacturer.
Component Identification and Function Typical Installation – Pressure Washer G A B F L K E H M J D C 06811 06812 Fig. 1 4 A Engine 16 horsepower, operates pump assembly B Pump Assembly Pressurizes fluid to be sprayed through spray gun C Filter Screens out debris and other material between supply connection and pump.
Setup Check for Shipping Damage Connect to Water Supply Check the unit for any damage that may have occurred in shipping. Notify the carrier immediately if there is any damage. Set Up Charge the battery. Be sure the battery connections are correct and secure. Connect the fuel line to the engine using the quick coupler provided. Squeeze the priming bulb 3 to 5 times.
Operation Pressure Relief Procedure NOTE: WARNING INJECTION HAZARD System pressure must be manually relieved to prevent system from starting or spraying accidentally. Fluid under high pressure can be injected through skin and cause serious injury.
Operation CAUTION Pressure washer is equipped with a thermal relief valve. If pressure washer is operated without spraying for an extended period (approximately 10 minutes) the valve will expel hot water. Do not operate pressure washer with inlet water screen removed. Keep screen clean. Screen keeps abrasive sediment out of pump, Abrasive sediment can clog pump or damage cylinders. Do not pump caustic materials; such materials may corrode pump components.
Operation Installing and Changing Spray Tips WARNING To reduce risk of serious bodily injury, including fluid injection or splashing in eyes or onto skin, use extreme caution when changing spray tips. always follow procedure below. 1. Follow the Pressure Relief Procedure. 2. Point the gun and wand away from yourself and anyone else. 3. Without holding your hand over the spray tip (A), pull back the quick coupler ring (B). Remove the old tip and/or install a new one, and then release the ring.
Shutdown, Flushing, and Storage CAUTION Do not expose pressure washer to freezing temperatures or allow water to freeze in pressure washer components. If water freezes in the pressure washer, thaw it in a warm room before you try to start it. Do not pour hot water on or into the pump; it may crack the ceramic plungers! D Do not store unit outside where it will be exposed to rain, dirt or adverse weather conditions.
Troubleshooting WARNING To reduce risk of serious injury, including fluid injection and splashing in eyes, or on skin, always follow Pressure Relief Procedure on page 6 before proceeding. Problem Cause Solution Engine will not start or is hard to start No gasoline in fuel tank or carburetor. Dirty air cleaner filter. Spark plug dirty, wrong gap or wrong type. Spray gun closed. Fill the tank with gasoline, open fuel shut off valve. Check fuel line and carburetor. Add to proper level.
Pump Service Servicing the Valves 3. Remove oil pan and slide out seal retainer with wicks. 1. Remove the hex valve plug. 4. Using a wrench, loosen the plunger retainer. Grasp ceramic plunger and push toward crankcase until plunger retainer pops out. 2. Examine the o–ring under the plug for cuts or distortion and replace if worn. Lubricate new o–ring before installing. 3. Grasp valve retainer by tab at the top with pliers and remove from valve chamber. Valve parts usually separate during removal.
Pump Service Servicing the Seals and V–Packings Disassembly: 1. Remove the manifold as described. 2. With crankcase side of manifold facing up, unscrew the seal case from the manifold using a special key wrench. 3. Examine seal case o–ring and replace if worn. Lubricate new o–ring before installing. 4. Next secure high pressure seal into position by threading seal case into manifold. Tighten seal case with key wrench. Low Pressure Seal–All Models: 3. Remove o–ring from seal case. 1.
Notes 308532 13
Pressure Washer – Parts 37b 37 (REF) 57 106 107 37g – 37f 37e 37d + 45 1 2 45 37c 19 47 63 37h (REF) 56 48 46 56 37h 62 3 6 4 50 100 6 51 39 49 40 SHEET 2 81 52 59 33 54 34 64 58 35 36 55 113 45 15 2 120 29 31 56 2 26 56 – 58 102 7 2 57 8 5 105 56 + 59 30 9 11 56 10 103 56 78 28 57 18 61 44a, 44h 44b 44c 44d 56 24 56 45 2 16 25 5 105 21c 22 44e 21h 44f 12 18 17 23f 44g 13 23c 43 14 42 23e 21d 21f 21b 21e 41 21g 21a 23d 06810 23b 23a Hydr
Pressure Washer – Parts Model 800707, Series B Ref. No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 21 Part No.
Pressure Washer – Parts 43 92 89 109* 114 91 110 80 90 81 88 87 86 85 111 84 97 83 82 104 2 120 *Note: Chemical Injector Repair Kit – 244351 7544A Hydra–Clean 4043 Pressure Washer (Sheet 2 of 2) 16 308532
Notes 308532 17
Pump Assembly – Parts 27 29 28 26 33 12 32 30 31 23 22 22 34 25 24 19 a c d 21 35 39 40 41 20 15 15 14 13 18 12 9 9b 9a e d c b a 4 17 16 a b 51 c 52 e 42 53 54 f g 3 d 2 1 4e 9a 04608 9b 18 308532 14
Pump Assembly – Parts Model 803508, Series A Ref. No. 1 2 3 4 9 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Part No.
Accessories Downstream Chemical Injector Kit 804387 Pressure Gauge Kit 248744 For injecting harsh cleaning chemicals downstream from the pump. 800649 is stainless steel construction. For viewing pump pressure. Water Sandblasting Kit 800120 Upstream Chemical Injector Kit 800257 For injecting mild cleaning chemicals upstream into the pump. 20 308532 For abrasive cleaning of stubborn dirt and paint. Requires a spray tip which is not included in kit (3540 uses 803107, 4043 uses 803107).
Technical Data Model 800707 Engine (4 cycle, air–cooled) 16 HP Briggs & Stratton OHV Battery 12 Volt, 30 AMP 250 CCA 6 Gallon (23 Liter) Gasoline Tank Capacity Water Pump Maximum Working Pressure Water Pump Maximum Flow Inlet Hose Connection 4000 psi (276 bar) Weight Dimensions Length Width Height 255 lbs (116 kg) Maximum Inlet Water Temperature Wetted Parts High Pressure Hose Bypass Hose Pressure Washer (including fittings) 160_F (70_C) 4.
Graco Warranty Graco warrants all equipment listed in this manual which is manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale to the original purchaser for use. With the exception of any special extended or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective.
