Hitachi GH 300 - Manuals

General Repair Information 6 311797F General Repair Information 1. Keep all screws, nuts, washers, gaskets, and electrical fittings removed during repair procedures. These parts are not normally provided with replacement assemblies. 2. Test repair after problem is corrected.3. If sprayer does not op...

Maintenance 311797F 7 Maintenance Pressure Relief Procedure The system pressure must be manually relieved to pre-vent the system from starting or spraying accidentally. Fluid under high pressure can be injected through the skin and cause serious injury. To reduce the risk of an injury from injection...

Troubleshooting 8 311797F Troubleshooting PROBLEM CAUSE SOLUTION Gas engine pulls hard (won't start) Hydraulic pressure is too high Turn hydraulic pressure knob counter clock-wise to lowest setting. Gas engine does not start Switch OFF, low oil, no gasoline Consult engine manual, supplied. Gas engin...

Hydraulic Pump 10 311797F Hydraulic Pump (Figure 2) Removal Let hydraulic system cool before beginning service. 1. Relieve pressure , page 7. 2. Place drip pan or rags under sprayer to catch hydraulic oil that leaks out during repair. 3. Remove drain plug (2) and oil filter (227) and allow hydraulic...

Fan Belt 12 311797F Fan Belt (Figure 3) Removal 1. Relieve pressure , page 7. 2. Loosen belt guard knob (55).3. Rotate belt guard (117) up.4. Lift engine (119) up to remove tension on belt (44).5. Remove belt from pulley (43) and fan pulley (96). Installation 1. Thread belt (44) around drive pulley ...

Engine 311797F 13 Engine (Figure 4) Removal NOTE: All service to the engine must be performed by an authorized HONDA dealer. 1. Relieve pressure , page 7. 2. Remove Fan Belt, page 10. 3. Loosen motor nut (205). Swing motor retainer bracket (204) out. 4. Remove engine (119) and rocker plate (99) from...

Hydraulic Motor Rebuild 14 311797F Hydraulic Motor Rebuild (Figure 5) Removal 1. Relieve pressure , page 7. 2. Place drip pan or rags under sprayer to catch hydraulic oil that leaks out during repair. 3. GH130 Models: - Follow Steps 2-5 of pump removal instructions, page 17. GH200, GH230, GH300 Mode...

Hydraulic Oil/Filter Change 16 311797F Hydraulic Oil/Filter Change (Figure 6) Removal 1. Relieve pressure , page 7. 2. Place drip pan or rags under sprayer to catch hydraulic oil that drains out. 3. Remove drain plug (2). page 26. Allow hydraulic oil to drain.4. Unscrew filter (227) slowly - oil run...

Displacement Pump 311797F 17 Displacement Pump GH130 Only (Figures 7-12) See manual 311845 for pump repair instructions Removal 1. Flush pump.2. Relieve pressure , page 7. 3. (Fig. 7) Remove suction tube (114) and paint hose (63) (remove at swivel end). F IG . 7 4. (Fig. 8) Push retaining ring (120)...

Displacement Pump ProConnect 18 311797F Displacement Pump ProConnect GH200/230/300 Only (Figures 13-27) See pump manual 311845 for pump repair. Removal 1. Flush pump.2. Relieve pressure, page 7.3. (Fig. 13) Remove suction hose (114). F IG . 13 4. (Fig. 14) Remove paint hose fitting (190) and paint h...

Parts 22 311797F Parts All Sprayers ti8822a 234 233 232 231 228 230 229 150a 150d 150e 150f 227 217 228 112 35 182 81 199 180 54 39 70 116 216 103 174 132 121 63 79 91 75 200 215 213 200 150b 150c 150g 58 57 59 60 61 62 GH130 Model

Parts 311797F 23 Parts List - All Sprayers ▲ Danger and Warning labels, are available at no cost. ◆ Included in Drain Valve Replacement Kit 235014 ★ Included in Drain Valve Replacement Kit 245103 Ref Part Description Qty 35 112827 BUTTON,snap 2 39 119420 WHEEL,pneumatic, GH130 & 200 2 119408 WHE...

Parts Drawing - Engines 24 311797F Parts Drawing - Engines GH130, 200, 230 GH300 119 24 7 154 153 23 154 99 34 30 43 133 126 106 126 133 119 106 34 30 ti8813a 88 88 160 43 126 161 162 24 7 154 153 99 154 23

Parts Drawing - All Sprayers 26 311797F Parts Drawing - All Sprayers ti8823b 170 55 48 184 173 172 51 148 117 96 176 44 219 212 214 209 206 55 204 201 2 211 220 226 225 223 224 222 221 207 203 115 56 284 287 277 139 101 144 200 186

Parts Drawing - All Sprayers 311797F 31 Parts List ▲ Danger and Warning labels, are available at no cost. ◆ Included in Hydraulic Motor Repair Kit: 288758 - GH130; 288759 - GH200; 288760 - GH230 & 300 ✓ Included in Trip Rod/Piston Kit: 288735 - GH130; 288736 - GH200; 288737 - GH230 & 300 ‡ I...

GH 130 & 200 Sprayers with Spray Gun and Hoses 32 311797F GH 130 & 200 Sprayers with Spray Gun and Hoses GH 230 & 300 Sprayers with Spray Gun and Hoses Ref No. Part No. Description Qty. 202 287036 KIT, gun, Contractor 3300 psi (227 bar, 22.7 MPa) Includes 202a - 202d 1 202a 243341 HOSE, ...

Technical Data 311797F 33 Technical Data Basic Sprayer Wetted Parts:Zinc and nickel-plated carbon steel, stainless steel, PTFE, acetal, chrome plating, leather, V-Maxt UHMWPE, alumi-num, stainless steel, tungsten carbide, ceramic, nylon, aluminum Sound Levels* Dimensions Sprayer Fluid Pressure psi (...

Graco Standard Warranty 34 311797F Graco Standard Warranty Graco warrants all equipment referenced in this document 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...