Graco Inc. 800-638 manual

INSTRUCTIONS-P AR TS LIST 308–529 Rev A This manual contains IMPORT ANT W ARNINGS and INSTRUCTIONS READ AND RET AIN FOR REFERENCE HYDRA-CLEAN 2540, 3040 Pressure W asher  HYDRA–CLEAN 2540, 9 HP ENGINE P/N 800–638, Series A P/N 800–690, Series A 2500 psi (172 bar) OPERA TING PRESSURE 3000 psi (207 bar) MAXIMUM WORKING PRESSURE HYDRA–CLE[...]

308–529  W ARNING HIGH PRESSURE SPRA Y CAN CAUSE SERIOUS INJUR Y . FOR PROFESSIONAL USE ONL Y . OBSER VE ALL W ARNINGS. Read and understand all instruction manuals before operating equipment. FLUID INJECTION HAZARD General Safety This pressure washer generates very high fluid pressure. Spray from the gun, leaks or ruptured components can injec[...]

308–529 3 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 worn or damaged parts, can cause them to rupture and result in fluid injection, splashing in the eyes or on the skin, or other serious bodily injury , fire,[...]

308–529 4 MOVING P ARTS HAZARD Moving parts can pinch or amputate fingers or other body parts. KEEP CLEAR of moving parts when starting or operating the pressure washer . NEVER operate the pressure washer without all guards and interlocks installed and functioning. Follow the Pressure Relief Procedure before checking or servicing the pressure was[...]

308–529 5 INST ALLA TION Figure 1 SPRA Y GUN SPRA Y HOSE QUICK COUPLER QUICK COUPLER HIGH PRESSURE HOSE CONNECTION INLET W A TER CONNECTION 3/4” GARDEN HOSE Check for Shipping Damage Check the unit for any damage that may have occurred in shipping. Notify the carrier immediately if there is any damage. Set Up If you are using a downstream chemi[...]

308–529 6 ST ARTUP Always use this startup procedure to ensure that the unit is started safely and properly . 1. Check oil levels. Engine: Add SAE 30 or 10W–30 weight detergent oil as necessary . Pump: Add SAE 20 or 30 weight non–detergent oil as necessary . NOTE: Some units are equipped with a low–oil sensor that shuts the engine of f if t[...]

308–529 7 T rigger Safety Latch W ARNING T o reduce the risk of serious bodily injury , including fluid injection, splashing in the eyes or on the skin, AL WA YS engage the trigger safety latch whenever spraying stops, even for a moment. In the engaged position, the trigger safety latch prevents the gun from being triggered accidentally by hand o[...]

308–529 8 SHUTDOWN, FLUSHING AND STORAGE W ARNING Pressure Relief Procedure T o reduce the risk of serious bodily injury , including fluid injection and splashing in the eyes, or on the skin, always follow this procedure whenever you stop spraying for more than 10 minutes, when shutting down, and before checking or repairing any part of the syste[...]

308–529 9 TROUBLESHOOTING CHART W ARNING 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 W arning before proceeding. PROBLEM CAUSE SOLUTION Low pressure and/or pump runs rough Partially plugged air cleaner filter [...]

308–529 10 P ARTS DRA WING 800–638 & 800–690 Hydra–Clean  2540 Pressure W asher 8 7 4 29 12 11 10 10 18 23 33 20 24 35 36 42 44 26 25 3 3 0 32 26 32 26 28 22 26 27 34 11 10 61 60 20 6 21 43 65 64 38 17 19 5 2 14 1 63 9 15 16 13 15 16 47 10 10 11 52 62 56 57 58 37 49 50 47 47 51 13 51 48 46 45 53 54 39 40 41 55 59 31 8 10 4 3 7[...]

308–529 11 P ARTS LIST 800–638 & 800–690 Hydra–Clean  2540 Pressure W asher REF P ART NO. NO. DESCRIPTION QTY 1 800–392 GUN & W AND ASSEMBL Y (incl. 2, 5, 9, 15, 17, 47) 1 2 803–350 GUN, Spray (see Instruction Manual 308–51 1) 1 3 181–867 LABEL, W arning, ventilation 1 4 802–363 LABEL, Caution 1 5 801–134 W AND, 32”[...]

308–529 12 P ARTS DRA WING 800–639 Hydra–Clean  3040 Pressure W asher 29 12 22 10 10 18 23 33 20 24 26 25 30 32 26 32 26 28 19 26 27 20 6 21 10 22 62 35 36 42 44 34 52 46 56 57 58 37 50 47 51 13 51 53 54 48 8 7 3 22 10 49 55 43 61 60 38 11 17 5 2 14 1 59 9 15 16 13 15 16 47 10 4 31 39 40 41 45[...]

308–529 13 P ARTS LIST 800–639 Hydra–Clean  3040 Pressure W asher REF P ART NO. NO. DESCRIPTION QTY 1 800–392 GUN & W AND ASSEMBL Y (incl. 2, 5, 9, 1 1, 15, 47) 1 2 803–350 GUN, Spray (see Instruction Manual 308–51 1) 1 3 181–867 LABEL, W arning, ventilation 1 4 802–363 LABEL, Caution 1 5 801–134 W AND, 32” 1 6 179–885 [...]

308–529 14 GEAR REDUCER SERVICE W ARNING 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 W arning on page 2 before proceeding. Replacing the Gasket (9) NOTE: T o maintain a good seal, the gasket must be replaced w[...]

308–529 15 P ARTS DRA WING 802–143 Gear Reducer 1 2 3 4 21 20 5 6 7 8 9 19 12 18 17 15 16 12 13 10 14 11 P ARTS LIST 802–143 Gear Reducer REF P ART NO. NO. DESCRIPTION QTY 1 802–332 O–RING 1 2 802–333 COVER, Mounting 1 3 802–334 SCREW , Set 1 4 802–335 GEAR, Pump 1 5 802–336 GEAR, Engine 1 6 802–337 RING, Snap 1 7 802–338 BEAR[...]

308–529 16 P ARTS DRA WING 803–737 Pump Assembly 46 47 44 45 10 9 8 7 6 5 4 1 3 2 10 9 11 52 51 54 53 40 15 41 14 39 12 21 23 22 24 26 33 32 28 29 30 31 27 25 34 35 36 31 37 38 11 43 42 16 17 44 45 13 14 18 19 20 12 50 49[...]

308–529 17 P ARTS LIST 803–737 Pump Assembly REF P ART NO. NO. DESCRIPTION QTY 1 801–467 MANIFOLD, 2000 psi 1 2 801–468 SCREW , Cap, hex hd. 8 3 801–469 W ASHER, Lock 8 4 KIT 1 O–RING 5 KIT 1 SEA T , V alve 6 KIT 1 PLA TE, V alve 7 KIT 1 SPRING 8 KIT 1 GUIDE, V alve 9 KIT 4 O–RING 10 KIT 4 CAP 11 KIT 1 VA L VE ASSEMBL Y 12 803–283 S[...]

308–529 18 PUMP SER VICE W ARNING T o 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 W arning before proceeding. NOTE: The following metric wrenches are needed: M10, M13 and M30. Repair kits are available. Refer to[...]

308–529 19 Servicing the V–Packings NOTE: There 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. Examine the o–ring and replace it if it is cut or damaged. 3. Remove th[...]

308–529 20 THE GRACO W ARRANTY W ARRANTY 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 per[...]