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Graco Inc. 308-532 manual

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Table of contents for the manual

  • Page 1

    INSTRUCTIONS-P AR TS LIST 308–532 Rev A This manual contains IMPORT ANT W ARNINGS and INSTRUCTIONS READ AND RET AIN FOR REFERENCE HYDRA-CLEAN 3540, 4043 Pressure W ashers  HYDRA-CLEAN  3540, 12.5 HP ENGINE P/N 800–706, Series A 3500 psi (241 bar) OPERA TING PRESSURE 3900 psi (269 bar) MAXIMUM WORKING PRESSURE HYDRA-CLEAN  4043, 16 HP E[...]

  • Page 2

     308–532 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[...]

  • Page 3

    3 308–532 FUEL AND EMISSION HAZARDS NEVER fill the fuel tank while the unit is running or hot. The fuel used in this unit is combustible and when spilled on a hot surface can ignite and cause a fire. AL WA YS fill tank slowly to avoid spilling. NEVER operate the unit in a closed building. The exhaust contains carbon monoxide, a poisonous, odorles[...]

  • Page 4

    4 308–532 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[...]

  • Page 5

    5 308–532 INST ALLA TION Figure 1 TEE HANDLE (4043 ONL Y) SPRA Y GUN SPRA Y HOSE QUICK COUPLER QUICK COUPLER HIGH PRESSURE HOSE CONNECTION WA TER SUPPL Y CONNECTION 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 Fill the battery cells with e[...]

  • Page 6

    6 308–532 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 or genuine CA T  pump oil as necessary . NOTE: This pressure washer is equipped with a low–o[...]

  • Page 7

    7 308–532 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[...]

  • Page 8

    8 308–532 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[...]

  • Page 9

    9 308–532 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 Engine will not start or is hard to start No gasoline in fuel tank or car[...]

  • Page 10

    10 308–532 P ARTS DRA WING 800–706 Hydra–Clean  3540 Pressure W asher 67 68 43 69 26 42 41 44 75 66 63 5 5 5 47 82 80 81 22 83 84 79 5 78 21 24 1 2 5 5 6 12 5 2 25 17 13 14 16 5 23 71 72 73 74 31 70 33 34 35 36 29 2 5 28 20 19 18 51 32 30 89 92 90 91 39 46 1 2 2 48 50 49 4 5 6 7 62 37 57 58 52 53 61 60 9 58 57 56 59 55 54 11 10 8 64 15 76 [...]

  • Page 11

    11 308–532 P ARTS LIST 800–706 Hydra–Clean  3540 Pressure W asher REF P ART NO. NO. DESCRIPTION QTY 1 100–188 NUT , Hex 5/16–18 11 2 100–214 W ASHER, Lock 5/16 13 3 801–285 BEL T , Drive 2 4 804–136 SHEA VE, Engine 1 5 100–023 W ASHER, Flat 5/16 27 6 801–941 SCREW , Cap, Hex hd 5/16–18 x 1 9 7 803–534 LABEL, Belt Guard 1 [...]

  • Page 12

    12 308–532 P ARTS DRA WING 800–707 Hydra–Clean  4043 Pressure W asher 67 68 43 69 26 42 41 44 75 66 27 65 26 42 69 45 87 88 87 86 85 82 80 81 22 83 84 79 5 78 21 89 92 90 91 39 63 5 5 5 47 24 1 2 5 5 6 12 5 2 25 17 13 14 16 5 23 71 72 73 74 31 70 33 34 35 36 29 2 5 28 20 19 18 51 32 30 46 1 2 2 48 50 49 4 5 6 7 62 37 57 58 52 53 61 60 9 58[...]

  • Page 13

    13 308–532 P ARTS LIST 800–707 Hydra–Clean  4043 Pressure W asher REF P ART NO. NO. DESCRIPTION QTY 1 100–188 NUT , Hex 5/16–18 11 2 100–214 W ASHER, Lock 5/16 13 3 801–814 BEL T , Drive 2 4 803–160 SHEA VE, Engine 1 5 100–023 W ASHER, Flat 5/16 26 6 801–941 SCREW , Cap, Hex hd 5/16–18 x 1 9 7 803–534 LABEL, Belt Guard 1 [...]

  • Page 14

    14 308–532 P ARTS DRA WING Pump Assembly 49 22 24 12 42 23 21 25 27 52 26 55 28 2 48 47 46 45 44 43 42 29 31 32 33 40 39 50 38 37 37 36 43 44 45 46 47 48 2 49 19 53 51 3 16 14 20 51 53 51 7 6 8 9 10 11 20 13 5 4 17 2 18 16 15 14 53 19 56 1 34 54 30 73 74 59 66 72 58 57 70 67 71 68 62 61 60 65 64 63 69 59 66 72[...]

  • Page 15

    15 308–532 P ARTS LIST Pump Assembly REF P ART NO. NO. DESCRIPTION QTY 1 804–175 CRANKCASE 1 2 804–132 RING, Backup, valve cap 1 3 804–196 COVER, Crankshaft 1 4 801–028 O–RING, Oil Fill Cap 1 5 801–027 CAP , Oil Fill 1 6 804–190 O–RING, Crankcase Cover 1 7 804–158 COVER, Crankcase 1 8 804–171 GASKET , Sight Gauge 1 9 804–150[...]

  • Page 16

    16 308–532 PUMP SER VICE Servicing the V alves 1. Remove the hex valve plug. 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 . V alve parts usually separate during removal. Note: A specia[...]

  • Page 17

    17 308–532 Reassembly: V–Packing Models: 1. Lubricate high pressure packing area in manifold. 2. Insert male adapter with notches down and “v” side up. 3. Lubricate v–packings and install one–at–a–time with grooved side down. 4. Next install female adapter with grooved side down. 5. Examine seal case o–ring and replace if worn. Lu[...]

  • Page 18

    18 308–532 ACCESSORIES (Must be purchased separately) DOWNSTREAM CHEMICAL INJECT OR KIT 800–1 17 (3540) 800–649 (3540 & 4043) For injecting harsh cleaning chemicals downstream from the pump. 800–649 is stainless steel construction. UPSTREAM CHEMICAL INJECTOR KIT 800–257 For injecting mild cleaning chemicals upstream into the pump. BAC[...]

  • Page 19

    19 308–532 TECHNICAL DA T A Model 800–706 Model 800–707 Engine (4 cycle, air–cooled) 12.5 HP Briggs & Stratton OHV 16 HP Briggs & Stratton OHV Battery 12 V olt, 30 AMP 250 CCA 12 V olt, 30 AMP 250 CCA Gasoline T ank Capacity 6 Gallon (23 Liter) 6 Gallon (23 Liter) W ater Pump Maximum W orking Pressure 3500 psi (241 bar) 4000 psi (27[...]

  • Page 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 period of twenty[...]

  • Page 21

    3X8–532 Rev . D Parts Change Notice Some parts in Rev . A of manual 308–532 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 800–706 has been obsoleted and is no longer covered by this manual. The following chan[...]

  • Page 22

    The following changes apply to the page 13 parts list for 800–707: Assembly No. Series Letter Change Part That Changed Ref No. Part Description Description of Change Model 800–707 803–109 74 Spray tip, 40045 Deleted NEW – Chemical injector Added 804–388 NEW – T ube, chemical injector Added 804–275 NEW – Strainer , chemical injector [...]

  • Page 23

    Pump Assembly – Parts 65 67 66 64 63 55 50 49 48 57 58 59 60 61 62 46 47 44 45 10 9 8 7 6 5 4 1 3 2 10 9 11 52 51 54 53 13 14 18 19 56 20 12 43 42 16 17 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 44 45 1/30/95 3X8–532 Rev . D[...]

  • Page 24

    Pump Assembly – Parts USE ONL Y GENUINE GRACO P ARTS AND ACCESSORIES Ref. No. Part No. Description Qty Ref. No. Part No. Description Qty 1 801–467 MANIFOLD 1 803–504 MANIFOLD, 3500 & 4000 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 [...]

  • Page 25

    Kit No. Repair Kit Part No. Ref No. Description Qty . 1 801–472 V alve 4 5 6 7 8 11 O–RING SEA T , V alve PLA TE, V alve SPRING GUIDE, V alve VA L VE ASSEMBL Y 6 6 6 6 6 6 2 801–473 Oil Seal 16 SEAL, Oil 3 3 802–51 1 Crankshaft Seal 41 SEAL, Oil 2 4 802–306 V alve Cap, 3000 psi 9 10 O–RING CAP 6 6 6 801–474 Plunger Repair , 3000 psi 3[...]