Graco Inc. 308-537 manual

INSTRUCTIONS-P AR TS LIST 308–537 Rev B Supersedes A This manual contains IMPORT ANT W ARNINGS and INSTRUCTIONS READ AND RET AIN FOR REFERENCE HYDRA-CLEAN 1026, 1530, 2340 Pressure W ashers  HYDRA-CLEAN 1026, 3 HP ENGINE P/N 800–682, Series A 1000 psi (69 bar) OPERA TING PRESSURE 1400 psi (97 bar) MAXIMUM WORKING PRESSURE HYDRA-CLEAN 1530, 4[...]

  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 componen[...]

  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 [...]

4 308-537 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 washe[...]

  INST ALLA TION Figure 1 SPRA Y GUN SPRA Y HOSE QUICK COUPLER QUICK COUPLER INLET W A TER CONNECTION 3/4” GARDEN HOSE HIGH PRESSURE HOSE CONNECTION INLET W A TER CONNECTION 3/4” GARDEN HOSE 1026 SPRA Y HOSE 1530 2340 HIGH PRESSURE HOSE CONNECTION HIGH PRESSURE HOSE CONNECTION INLET W A TER CONNECTION 3/4” GARDEN HOSE [...]

6 308-537 Set Up (2340) If you are using a downstream chemical injector , install it between the pump unloader and the high pressure hose, using the quick couplers provided. Connect the high pressure hose between the pump outlet and the gun inlet. Both of these connections are made with quick couplers. CAUTION Up to 100 ft (30 m) of high pressure h[...]

  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 en[...]

  Chemical Injector BE SURE that all chemicals used in the chemical injector are compatible with the wetted parts of the hose, gun, wand and tip, as given in the T echnical Data (inside back cover). Always read the chemical manufacturer ’s literature before using any chemical in this pressure washer . W ARNING Observe chem[...]

9 308-537 Installing and Changing Spray Tips (2340) W ARNING T o reduce the risk of serious bodily injury , including fluid injection or splashing in the eyes or onto the skin, use extreme caution when changing spray tips. AL WA YS follow the procedure below . 1. Follow the Pressure Relief Procedure . 2. Point the gun and wand away from yourself an[...]

10 308-537 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 system[...]

11 308-537 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 .[...]

12 308-537 P ARTS DRA WING 800–682 Hydra–Clean  1026 Pressure W asher 800–717 Hydra–Clean  1530 Pressure W asher 17 14 13 24 12 9 11 4 10 2 3 6 7 3 7 19 27 3 2 23 30 31 28 29 22 21 20 1 8 25 43 44 46 45 25 23 22 20 1 2 3 21 5 18 35 36 37 38 39 40 41 34 33 32 42 50 51 49 67 60 65 64 63 62 58 61 60 59 55 56 57 26 53 54 53 52 15 16[...]

13 308-537 P ARTS LIST 800–682 Hydra–Clean  1026 Pressure W asher 800–717 Hydra–Clean  1530 Pressure W asher REF P ART NO. NO. DESCRIPTION QTY 1 803–930 ENGINE, 3 hp, Briggs & Stratton I/C (used on 800–682 only) 1 804–285 ENGINE, 4 hp, Honda OHV (used on 800–717 only) 1 2 1 1 1–040 NUT , Lock 5/16–18 6 3 100–023 W AS[...]

14 308-537 P ARTS DRA WING 800–654 Hydra–Clean  2340 Pressure W asher 21 11 14 15 16 2 16 20 22 23 25 24 27 28 29 21 67 10 9 6 3 4 1 5 7 8 7 12 49 62 63 64 65 66 35 41 39 39 41 61 41 42 36 41 42 7 48 44 46 47 58 59 57 56 40 16 20 31 37 30 32 54 19 33 34 38 26 18 8 7 31 37 43 44 7 8 60 50 51 52 53 10[...]

15 308-537 P ARTS LIST 800–654 Hydra–Clean  2340 Pressure W asher REF P ART NO. NO. DESCRIPTION QTY 1 802–998 ENGINE, 8 hp, Honda OHV 1 2 802–627 NIPPLE, Hex 3/8 NPSM x 1/4 NPT 1 3 802–363 LABEL, Caution 1 4 181–867 LABEL, W arning 1 5 802–127 SCREW , Cap, hex hd. 5/16–18 x 1-3/4 4 6 804–274 LABEL, Graco Cleaning Systems 1 7 10[...]

  P ARTS DRA WING 803–931 Pump and Unloader Assembly 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 47 52 53 54 55 47 56 57 58 50 49 59 60 61 64 65 63 62 66 86 83 82 84 85 80 81 87 88 67 68 69 91 70 90 89 23 29 26 27 33 34 35 3 24 23 22 21 24 25 19 18 17 16 15 14 1 13 11 12 5 10 9 8 7 6 28 79 20 78 77 76 75 74 32 31 30[...]

17 308-537 P ARTS LIST 803–931 Pump and Unloader Assembly REF P ART NO. NO. DESCRIPTION QTY 1 804–008 CRANKCASE 1 2 801–484 PLUG, Oil Drain 1 3 802–344 O–RING 1 4 804–014 P AN, Collection 1 5 KIT 83 SEAL, Oil 6 KIT 96,97 RING, Head 7 KIT 96,97 P ACKING 8 KIT 96 RET AINER, Packing 9 KIT 96,97 O–RING 10 KIT 96,97 O–RING 1 1 802–345 [...]

18 308-537 P ARTS DRA WING (Continued) 803–931 Pump and Unloader Assembly 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 47 52 53 54 55 47 56 57 58 50 49 59 60 61 64 65 63 62 66 86 83 82 84 85 80 81 87 88 67 68 69 91 70 90 89 23 29 26 27 33 34 35 3 24 23 22 21 24 25 19 18 17 16 15 14 1 13 11 12 5 10 9 8 7 6 28 79 20 78 77 76 75 74 32 31 30[...]

  P ARTS LIST (Continued) 803–931 Pump and Unloader Assembly REF P ART NO. NO. DESCRIPTION QTY 46 KIT 102 SPRING 47 KIT 102 O–RING 48 KIT 102 BALL 49 KIT 102 RING, Backup 50 KIT 102,94 O–RING 51 KIT 102 PIST ON, Control 52 KIT 102 RING, Backup 53 KIT 102 GUIDE, V alve 54 KIT 102 O–RING 55 KIT 102 RING, Backup 56 K[...]

  P ARTS DRA WING 803–91 1 Pump Assembly , 2300 psi 14 13 12 14 1 3 2 31 33 32 34 36 38 39 41 54 40 42 43 15 16 17 12 18 19 20 21 22 23 24 22 45 21 44 19 18 47 48 10 9 11 52 49 51 50 37 25 26 29 27 28 30 10 9 8 7 6 5 4 11[...]

21 308-537 P ARTS LIST 803–91 1 Pump Assembly , 2300 psi REF P ART NO. NO. DESCRIPTION QTY 1 803–913 MANIFOLD 1 2 801–651 SCREW , Cap, socket hd. 8 3 801–652 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 KIT 88,9[...]

  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 ava[...]

  Servicing the V–Packings NOTE: There are two types of packing kits: one is just 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 [...]

24 308-537 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 perio[...]

3X8–537 Rev . D Parts Change Notice Some parts in Rev . A of manual 308–537 have changed but have not yet been changed in the instruction manual. Please note the changes below and mark them in your manual or keep this sheet with your manual. Pressure washer 800–682 has been obsoleted and is no longer covered by this manual. The following chan[...]

The following changes apply to the page 15 parts list for 800–654: Assembly No. Series Letter Change Part That Changed Ref No. Part Description Description of Change Model 800–654 800–129 51 T ip assembly , 4005 Replaced by 805–552 801–640 65 Spray T ip, 0005 Deleted 801–667 66 Spray T ip, 1505 Deleted 801–614 63 Spray T ip, 2505 Dele[...]