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Graco Inc. 230975 manual

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Table of contents for the manual

  • Page 1

    Instructions – Parts List GRACO INC. P .O. BOX 1441 MINNEAPOLIS, MN 55440–1441 Copyright 2002, Graco Inc. is registered to I.S. EN ISO 9001 GH 733 Hydra–Spray r Sprayer 3500 psi (240 bar , 24 MPa) Maximum Working Pressure Model 231733, Series E Sprayer only . Has Severe-Duty* Displacement Pump Model 230975 Includes Sprayer 231733, Hose, Swive[...]

  • Page 2

    307616 2 T able of Contents W arnings 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Component Identification 5 . . . . . . . . . . . . . . . . . . . . . . . . Setup 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Flushing 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

  • Page 3

    3 307616 W ARNING SKIN INJECTION HAZARD Spray from the gun, leaks or ruptured components can inject fluid into your body and cause extremely serious injury , including the need for amputation. Fluid splashed in the eyes or on the skin can also cause serious injury . D Fluid injected into the skin may look like just a cut, but it is a serious injury[...]

  • Page 4

    307616 4 W ARNING FIRE AND EXPLOSION HAZARD Improper grounding, poor ventilation, open flames or sparks can cause a hazardous condition and result in a fire or explosion and serious injury . D If there is any static sparking or you feel an electric shock while using this equipment, stop spray- ing immediately . Do not use the equipment until you id[...]

  • Page 5

    5 307616 Component Identification 9089d HYDRAULIC SUPPL Y LINE T O MOT OR HYDRAULIC RESER VOIR GASOLINE FILL CAP MOT OR RESET BUTTON HYDRAULIC MOTOR HYDRAULIC PUMP SUCTION HOSE SUCTION TUBE PRESSURE CONTROL KNOB OUTLET FITTING DISPLACEMENT PUMP HYDRAULIC RETURN LINE T O MOTOR PRESSURE DRAIN V AL VE Fig 1 Setup 1. Connect the Hose and Gun a. Remove [...]

  • Page 6

    307616 6 Setup 3. Check the Hydraulic Oil Level a. Unscrew the hydraulic oil fill cap. See Fig 2. The dipstick is attached to the cap. The oil should be up to the full line on the dipstick. CAUTION T o prevent damage to the cooling system and hydraulic pump, use only Graco Hydraulic Oil, 169236 (5 gal./20 liter) or 207428 (1 gal/3.8 liter). Other t[...]

  • Page 7

    7 307616 Setup 5. Fill the Fuel T ank W ARNING FIRE AND EXPLOSION HAZARD Fuel spilled on a hot surface can cause a fire or explosion and serious bodily injury and property damage. Shut off engine and let it cool before filling the tank. Carefully follow steps 5.a. to 5.c., below , being sure not to spill any fuel. a. Close the fuel shutof f valve. [...]

  • Page 8

    307616 8 Flushing When to Flush 1. New sprayer . Y our new sprayer was factory tested with lightweight oil which was left in to protect pump parts from corrosion. Before using oil–base paint, flush with mineral spirits only . Before using water–base paint, flush with mineral spirits, followed by soapy water , then a clean water rinse. 2. Changi[...]

  • Page 9

    9 307616 Flushing W ARNING FIRE AND EXPLOSION HAZARD T o reduce the risk of static sparking and splashing when flushing, always remove the spray tip from the gun and hold a metal part of the gun firmly to the side of a grounded metal pail. 1 1. Making firm metal-to-metal contact, hold the gun firmly to the side of the grounded solvent pail. T rigge[...]

  • Page 10

    307616 10 Operation Pressure Relief Procedure W ARNING SKIN INJECTION HAZARD The system pressure must be manually relieved to prevent the system from starting or spraying accidentally . Fluid under high pressure can be injected through the skin and cause serious injury . T o reduce the risk of an injury from injection, splashing fluid, or moving pa[...]

  • Page 11

    11 307616 Operation If the motor stalls during operation, turn OFF the igni- tion key . With your hand, firmly press straight down on the motor reset button. Now try to restart the sprayer . If it will not start, refer to the separate motor manual, 307158. CAUTION Never use a hammer to depress the reset button, as it could cause serious internal mo[...]

  • Page 12

    307616 12 Maintenance 1. Always stop the pump at the bottom of its stroke when you take a break and at the end of the day . This helps keep fluid from drying on the rod and damaging the packings. 2. Keep the displacement pump packing nut/wet cup 1/3 full of TSL at all times. The TSL helps protect the packings and rod. 3. Check the tightness of the [...]

  • Page 13

    13 307616 T roubleshooting W ARNING SKIN INJECTION HAZARD T o reduce the risk of serious injury , whenever you are instructed to relieve pressure, follow the Pressure Relief Procedure on page 10. Check everything in the troubleshooting chart before disassembling the sprayer . PROBLEM CAUSE SOLUTION Gas engine doesn’t work properly . Consult engin[...]

  • Page 14

    307616 14 Replacing the Hydraulic Pump 1. Follow the Pressure Relief Procedure W arning on page 10. Let the hydraulic system cool before beginning the service procedure. 2. Unscrew the reservoir drain plug (51), having a container ready to catch the draining fluid. 3. Disconnect the hose (7) from the bypass valve (9) by loosening the hose clamp (8)[...]

  • Page 15

    15 307616 Replacing the Cooler and Blower 1. Follow the Pressure Relief Procedure W arning on page 10. Let the hydraulic system cool before beginning the service procedure. 2. Remove the hydraulic pump as instructed in the previous section. 3. Disconnect the cooler to reservoir return hose (7.) by loosening the hose clamp (8). See Fig 8. 4. Remove [...]

  • Page 16

    307616 16 Displacement Pump Service Disconnect the Displacement Pump 1. Flush the pump if possible. Stop the pump on the down stroke. 2. Follow the Pressure Relief Procedure W arning on page 10. 3. Remove the suction tube and fluid hose from the displacement pump. 4. Unscrew the three tie rod locknuts (48). See GH733 Sprayer Parts Drawing . 5. Unsc[...]

  • Page 17

    17 307616 Complete Sprayer Parts Drawing Model 230975, GH 733 Sprayer Includes items 501 to 510 REF NO. P ART NO. DESCRIPTION QTY 501 231733 GH 733 SPRA YER 1 (See parts list on page 19) 504 218659 HOSE & GUN KIT , 1 includes items 504 to 509 505 H53850 .HOSE, fluid, nylon, 3/8 in. ID, 3 3/8 npsm(fbe); 50 ft (15m) long 506 156849 .NIPPLE, 3/8 n[...]

  • Page 18

    307616 18 GH733 Sprayer Parts Drawing Model 231733, Series D 9086B 43 46 89 32 91 47 34 29 30 82 79 77 76 31 22 33 143 49 103 48 144 39 178 177 31 37 150 36 35 38 E A See page 17 for continuation[...]

  • Page 19

    19 307616 GH733 Sprayer Parts Drawing 173 171 63 60 83 1 26 64 28 27 12 55 75 72 124 LABEL LABEL LABEL 87 71 72 LABEL LABEL 56 21 57 11 13 14 88 LABEL 31 66 67 58 61 122 11 9 121 Ref 58 T o Engine 123 28 74 11 8 64 28 74 41 T o Starter Switch 20 19 120 145 11 9 59 40 31 172 187 182 184 183 170 181 185 186 7877c 73 68 LABEL LABEL 188[...]

  • Page 20

    307616 20 GH733 Sprayer Parts Drawing 8 85 5 3 54 25 52 138 24 11 4 11 0 108 109 11 5 109 23 108 9 10 107 15 17 16 18 64 65 137 11 0 49 66 11 2 11 3 11 7 Ref 22 105 106 8 142 Ref 77 78 93 94 95 98 50 51 4 5 8 141 53 7 8 54 5 152 2 74 28 153 96 97 Ref 1 1 1 7879A 7879b[...]

  • Page 21

    21 307616 GH733 Parts List REF NO. P ART NO. DESCRIPTION QTY 1 107074 BREA THER, fill cap 1 2 1061 14 STRAINER, inlet 1 3 107053 ELBOW , pipe, 90 _ , 1/2 x 3/8 npt 1 4 107128 TEE, service 1 5 107050 INSER T , hose, 1/2 npt(f) 3 7 178859 HOSE, rubber , 5 in. (125 mm) 1 8 102473 CLAMP , hose 6 9 210658 V AL VE, ball 3/8 npt(m) 1 10 165472 ELBOW , pip[...]

  • Page 22

    307616 22 Notes[...]

  • Page 23

    23 307616 T echnical Data Engine KOHLER Model CH18 OHV 4 cycle . . . . . . . . . . . . . . . twin cylinder , air cooled, 18 HP , (13.4 kW) Gasoline 6.0 gallon (22.7 liter capacity) . . . . . . . . . . . . . . . . . . . consumes 1.3 gal/hr (4.9 liter/hr) Hydraulic Fluid Sump 5 gallon (19 liters) . . . . . . . . . . . . . . . . . . Hydraulic Pressure[...]

  • Page 24

    307616 24 Graco W arranty 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 twe[...]