Graco Inc. 308972 manuale d’uso

308972 Rev . A First choice when quality counts. t INSTRUCTIONS-P ARTS LIST INSTRUCTIONS This manual contains important warnings and information. READ AND KEEP FOR REFERENCE. GH Series Roof Rigs Gas-Hydraulic Airless Sprayers GH5030 Model 687100 Maximum Working Pressure 4900 psi (337 bar , 33.8MPa) GH3640 Model 687327 Maximum Working Pressure 3600 [...]

308972 2 T able of Contents W arnings 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Component Identification 5 . . . . . . . . . . . . . . . . . . . . . . . . Setup 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Flushing 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

3 308972 W ARNING 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 .  Fluid injected into the skin may look like just a cut, but it is a serious injury . [...]

308972 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 .  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 [...]

5 308972 Component Identification HYDRAULIC SUPPL Y LINE TO MOT OR HYDRAULIC RESER VOIR GASOLINE FILL CAP MOT OR RESET BUTT ON HYDRAULIC MOTOR HYDRAULIC PUMP SUCTION HOSE SUCTION TUBE DISPLACEMENT PUMP HYDRAULIC RETURN LINE T O MOT OR Fig 1 PRESSURE DRAIN V AL VE FLUID OUTLET Setup 1. Connect the Hose and Gun a. Remove the plastic cap plug from the[...]

308972 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 Fluid, 169236 (5 gal./20 liter) or 207428 (1 gal/3.8 liter). Other[...]

7 308972 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 shutoff valve. S[...]

308972 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[...]

9 308972 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[...]

308972 10 Operation Pressure Relief Procedure W ARNING 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 parts, [...]

11 308972 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[...]

308972 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 [...]

13 308972 T roubleshooting W ARNING 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 engine man[...]

308972 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, page 24), having a container ready to catch the draining fluid. 3. Disconnect the hose (7) from the bypass valve (9) by loosening the hose [...]

15 308972 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 [...]

308972 16 Displacement Pump Service 210–208 Displacement Pump 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. Reference Roof Rig Parts Drawings, page 22. 4. Remove the suction tube and fluid hose from the displacement pump. 5. Unscrew[...]

17 308972 Displacement Pump Service 236466, 237510, 222801 Displacement Pumps Disconnecting the Displacement Pump 1. Flush the pump, if possible. Stop the pump at the bottom of its stroke. W ARNING T o reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 10. 2. Reliev[...]

9086A 26 Ref 32 49 144 81 38 84 48 39 166 44 42 45 47 46 170 80 Ref 29 34 31 29 22 77 79 82 76 308972 18 GH5030 Roof Rig Parts Drawing Model 687100[...]

9086A 26 Ref 32 49 144 81 38 84 48 39 166 44 42 45 47 46 170 80 Ref 29 34 31 29 22 77 79 82 76 19 308972 GH3640 Roof Rig Parts Drawing Model 687327[...]

308972 20 GH2560 Roof Rig Parts Drawing Model 965168 9087A 26 Ref 32 49 144 81 38 130 139 39 166 44 42 45 47 73 80 Ref 29 170 140 48 46 34 31 29 22 77 79 82 76[...]

21 308972 GH2075 Roof Rig Parts Drawing Model 965171 9087A 26 Ref 32 49 144 81 38 130 139 39 166 44 42 45 47 73 80 Ref 29 34 31 29 22 77 79 82 76 170 140 48 46[...]

308972 22 GH1015 Roof Rig Parts Drawing Model 965165 9088A 26 Ref 32 49 37 166 44 47 Ref 29 34 31 29 22 77 79 82 76 35 36 89 89 91 92 44 45 46 33 81 68 38 86 90 125 144 39 48[...]

23 308972 Roof Rigs Sprayer Parts Drawing 173 171 62 63 60 64 31 172 111 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 7877A 31 66 168 Models 687100, 687327, 965168, 965171, 965165[...]

308972 24 Roof Rigs 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 7 11 2 11 3 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 169 170 Models 687100, 687327, 965168, 965171, 965165[...]

25 308972 Roof Rigs Parts List All Models REF NO. P ART NO. DESCRIPTION QTY 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” (125 mm) 1 8 102473 CLAMP , hose 6 9 210658 [...]

308972 26 Notes[...]

27 308972 T echnical Data Engine KOHLER Model TH16 OHC 4 cycle . . . . . . . . . . . . . . . twin cylinder , air cooled, 16 HP , (12 Kw) Gasoline 1.7 gallon (6.4 liter capacity) . . . . . . . . . . . . . . . . . . . . consumes 1.3 gal/hr (4.9 liter/hr) Hydraulic Fluid Sump 5 gallon (19 liters) . . . . . . . . . . . . . . . . . . Hydraulic Pressure [...]

308972 28 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 by an authorized Graco distributor to the original purchaser for use. With the exception of any special extended or limited warranty published by Gra[...]