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Manual Hitachi GH 300

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  • Hitachi GH 300 - page 1

    Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441 Copyright 2007, Graco Inc. is r egistered to I. S. EN ISO 9001 311797F Repair GH ™ 130, GH 200, GH 230, GH 300 Hydraulic Spra yer s - Use with Ar chitectural Coatings and P aints - 3300 psi (2.8 MPa, 228 bar) Maximum Working Pressure List of models pro vided on page 2. Important Safety Instructi ...

  • Hitachi GH 300 - page 2

    Models 2 311797F Models Electric Motor Kit Opti ons 253709 ✔ 253957 ✔✔ 253959 ✔✔ 253980 ✔✔ 253960 ✔ 253962 ✔✔ 253963 ✔✔ 253981 ✔✔ 255095 ✔✔ 253964 ✔ 253965 ✔✔ 253966 ✔✔ 253982 ✔✔ 253967 ✔ 253968 ✔✔ GH130 GH200 GH230 GH300 120 V ac 60 Hz ETL/CS A/UL 120 V ac 60 Hz Kit Number Spra yer Model Descript ...

  • Hitachi GH 300 - page 3

    Models 311797F 3 Wa r n i n g s The f ollowing W arnings are for t he setup, use , grounding, maintenance and repair of this equipme nt. The exclama- tion point symbol ale r ts y ou to a general w ar ning and th e hazard symbols ref er to procedure-specific risks. Ref er bac k to these W ar nings. Additional, pro duct-specific warnings may be f oun ...

  • Hitachi GH 300 - page 4

    Models 4 311797F MO VING P ARTS HAZARD Movin g par t s can pinch or amputate fingers and other body par t s. • K eep clear of movin g par t s. • Do not op erate equip ment with pr otective guards or cov ers r emov e d. • Pressurized equipmen t can star t without warning. Bef ore checking, mo ving, or ser vicing equipment, f ollow the Pressure ...

  • Hitachi GH 300 - page 5

    Component Identi fication 311797F 5 Component Identification 3. 4. 5. 7. 6. 8. OFF ON 2. bar/MPa PSI on off 1. 10. 11 . 12. ti8714a ti9126a ti8844a ti8691a 9. ti9167a ti9166a ti5381b 13. Item No. Component 1 Hydraulic pump valv e 2 Pressure control 3 Hydraulic Oil Cap 4D r a i n v a l v e 5 Engine ON/OFF s witch 6 Engine controls 7 Electri c motor ...

  • Hitachi GH 300 - page 6

    General Repai r Information 6 311797F General Repair Inf ormation 1. K eep all screws, nuts , washers, gaskets, and electrical fittings removed during repa ir procedure s. These par ts are not nor mally provided wit h replacement assemblies. 2. T e st repair after problem is corrected. 3. If spra yer does not operate properly , re view repair proce ...

  • Hitachi GH 300 - page 7

    Maintenance 311797F 7 Maintenance Pressure Relief Pr ocedure The system pressure m ust be manually relie ved to pre- vent the system from start ing or spra ying 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 par ts, f ol ...

  • Hitachi GH 300 - page 8

    Troubleshooting 8 311797F T r oubleshooting PROBLEM CA USE SOLUTION Gas engine pulls hard (won't star t) Hydraulic pressure is too high T ur n h ydraulic pr essure knob counter cloc k- wise to lowest setting. Gas engine does not star t Switch OFF , low oil, no gasoline Consult engine manual, supplied. Gas engine doesn 't work proper ly F ...

  • Hitachi GH 300 - page 9

    Notes 311797F 9 Notes ...

  • Hitachi GH 300 - page 10

    Hydraulic Pump 10 311797F Hydraulic Pump (Figure 2) Remo val Let h ydraulic system coo l befor e beginning ser vice. 1. Relieve pressure , page 7. 2. Place dri p pan or rags under sprayer to catch h ydraulic oil that leaks out dur ing re pair . 3. Remov e drain plug (2) and oil fi lter (227) and allow h ydraulic oil to drain. 4. Fig. 2. Disconnect ...

  • Hitachi GH 300 - page 11

    Hydraulic Pump 311797F 11 F IG . 2 172 117 173 176 96 44 114 111 277 212 209 227 222 225 211 220 276 266 203 206 2 ti8821b 221 226 207 ...

  • Hitachi GH 300 - page 12

    Fan Belt 12 311797F Fa n B e l t (Figure 3) Remo val 1. Relieve pressure , page 7. 2. Loosen belt guard knob (55). 3. Rotate belt guard (117) up. 4. Lift engine (119) up to remov e tension on belt (44). 5. Remov e belt from p ulley (43) and fa n pulley (96). Installation 1. Thread belt (44) a round dr ive pulley (43) and f an pulley (96). 2. Let en ...

  • Hitachi GH 300 - page 13

    Engine 311797F 13 Engine (Figure 4) Remo val NO TE: All ser vice to the engine must be perf ormed by an authoriz ed HOND A dealer . 1. Relieve pressure , page 7. 2. Remov e Fa n B el t, page 10 . 3. Loosen motor nut (205). Swing motor retainer brack et (204) out. 4. Remov e engin e (119) and rocker plate (99) from spray er . 5. Remov e four screws ...

  • Hitachi GH 300 - page 14

    Hydraulic Motor Rebuild 14 311797F Hydraulic Motor Reb uild (Figure 5) Remo val 1. Relieve pressure , page 7. 2. Place dri p pan or rags under sprayer to catch h ydraulic oil that leaks out dur ing re pair . 3. GH130 Models: - F ollow Steps 2-5 of pump remov al instr uctions, page 17. GH200, GH230, GH300 Models: - F ollow Steps 4-8 of pump remov al ...

  • Hitachi GH 300 - page 15

    311797F 15 F IG . 5 ti8817A ti8818a 271 test hole 266 288 265 264 263 A ...

  • Hitachi GH 300 - page 16

    Hydraulic Oil/Filter Change 16 311797F Hydraulic Oil/Filter Change (Figure 6) Remo val 1. Relieve pressure , page 7. 2. Place dri p pan or rags under sprayer to catch h ydraulic oil that dr ains out. 3. Remov e drain plug (2). page 26. Allow hydr aulic oil to drain. 4. Unscrew filter (227) slo wly - oil r uns into groov e and drains out rear . Inst ...

  • Hitachi GH 300 - page 17

    Displacement Pump 311797F 17 Displacement Pump GH130 Only (Figures 7-12) See manual 311 845 for pump r epair instructions Remo val 1. Flush pump. 2. Relieve pressure , page 7. 3. (Fig. 7) Remov e suction tube (114) and paint hose (63) (remov e at swiv el end). F IG . 7 4. (Fig. 8) Push retaining rin g (120) up; push out pin (92). F IG . 8 5. (Fig. ...

  • Hitachi GH 300 - page 18

    Displacement Pump ProConnect 18 311797F Displacement Pump Pr oConnect GH200/230/300 Only (Figures 13-27) See pump manu al 311845 fo r pump repair . Remo val 1. Flush pump. 2. Reliev e pressure, page 7. 3. (Fig. 13) Remove suction hose (114). F IG . 13 4. (Fig. 14) Remove paint hose fitting (190) and paint hose (63) from pump fitting. F IG . 14 5. ( ...

  • Hitachi GH 300 - page 19

    Displacement Pump ProConnect 311797F 19 8. (Fig. 18) Open clamp (247). F IG . 18 9. (Fig. 19) Remove pump (111) from unit. F IG . 19 Installation 1. (Fig. 20) If needed, place pump rod in adjustment casting and pull pump to lengthen rod. F IG . 20 2. (Fig. 21) Install pump (1 11) in spray er . F IG . 21 3. (Fig. 22) Close clamp (247) around pump (1 ...

  • Hitachi GH 300 - page 20

    Displacement Pump ProConnect 20 311797F 4. (Fig. 23) Install pin. F IG . 23 5. (Fig. 24) Slide coupler cover (193) up to e xpose pump rod. Install rod couplers (179) over rod. F IG . 24 6. (Fig. 25) Slide couple cov er (193 ) down ov er rod couplers (179). F IG . 25 7. (Fig. 26) Open clamp and align pu mp outlet with hose fitting (190). Install pai ...

  • Hitachi GH 300 - page 21

    Notes 311797F 21 Notes ...

  • Hitachi GH 300 - page 22

    Parts 22 311797F Pa r t s All Spray ers 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 ...

  • Hitachi GH 300 - page 23

    Parts 311797F 23 P ar ts List - All Spray ers ▲ Danger and W ar ning labels, are a vailab le at no cost. ◆ Included in Drain V alv e Replacement Kit 235 014 ★ Included in Drain V alve Rep lacement Kit 245103 Ref Part Description Qty 35 112827 BUTT ON,snap 2 39 119420 WHEEL,pneumatic , GH130 & 200 2 119408 WHEEl, pneumatic , GH230 & 30 ...

  • Hitachi GH 300 - page 24

    Parts Drawing - Engines 24 311797F P ar ts 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 ...

  • Hitachi GH 300 - page 25

    Parts Drawing - Engines 311797F 25 *Engine Repair Kits: ▲ Danger and W ar ning labels, are a vailab le at no cost. Ref Part Description Qty 7 1 00023 W ASHER,flat, GH130, 200 & 230 4 100132 WASHER, flat, GH300 4 23 113664 SCREW ,cap ,hex hd, GH130, 200 & 230 4 106212 SCHREW , cap , he x hd, GH300 4 24 110838 NUT ,lock, GH130 , 200 & 2 ...

  • Hitachi GH 300 - page 26

    Parts Drawing - All Sprayers 26 311797F P ar ts Drawing - All Spra yers 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 ...

  • Hitachi GH 300 - page 27

    Parts Drawing - All Sprayers 311797F 27 P ar ts List - All Spray ers Ref Part Description Qty 2 1 01754 PLUG 1 44 119433 BEL T , GH130, 200, 230 1 119432 BEL T , GH300 1 48 803298 SCREW , hex head 2 51 117284 GRILL, f an guard 1 55 15D862 NUT , hand 2 56 154594 O-RING 1 96 15E410 PULLEY , fan 1 99 15F157 BRA CKET , mounting, en gine, GH130, 200 &am ...

  • Hitachi GH 300 - page 28

    Parts Drawing - All Sprayers 28 311797F P ar ts Drawing - All Spra yers ti8820a 193 GH130 GH200/230/300 197 196 110 89 124 114 63 188 122 92 86 120 179 187 186 189 188 190 63 198 111 111 114 194 195 199 103 114 ...

  • Hitachi GH 300 - page 29

    Parts Drawing - All Sprayers 311797F 29 P ar ts List - All Spray ers Ref Part Description Qty 63 243814 HOSE, coupled 1 86 193031 NUT , retain ing, GH130 1 89 15D000 CLIP , drain line 1 92 15J141 PIN, pump, GH130 1 103 288732 KIT , drain hose 1 110 241920 DEFLECT OR, threaded 1 111 288466 PUMP , kit, displacement, GH130 1 288467 PUMP , kit, displac ...

  • Hitachi GH 300 - page 30

    Parts Drawing - All Sprayers 30 311797F P ar ts Drawing - All Spra yers 267 268 269 266 265 288 264 266 271 272 273 263 246 245 244 243 239 242 275 274 256 254 253 247 280 279 129 282 143 292 276 289 290 ti8824b 283 270 265 291 ...

  • Hitachi GH 300 - page 31

    Parts Drawing - All Sprayers 311797F 31 P ar ts List ▲ Danger and W ar ning labels, are a vailab le at no cost. ◆ Included in Hydr aulic Motor Repair Kit: 288758 - GH130; 288759 - GH20 0; 288760 - GH230 & 300 ✓ Included in T rip Rod/Piston Kit: 288735 - GH130; 288736 - GH200; 28 8737 - GH230 & 300 ‡ Included in Seal Kit 24617 4 Ref ...

  • Hitachi GH 300 - page 32

    GH 130 & 200 Sprayers with Spray Gun and Hoses 32 311797F GH 130 & 200 Spra yer s with Spra y Gun and Hoses GH 230 & 300 Spra yer s with Spra y Gun and Hoses Ref No. P ar t No. D escription Qty . 202 287036 KIT , gun, Contra ctor 3300 psi (227 bar , 22.7 MP a) Includes 202a - 202d 1 202a 243341 HOSE, grounded, nylon; 1/4 in. ID; cpld 1/ ...

  • Hitachi GH 300 - page 33

    Technical Data 311797F 33 Te c h n i c a l D a t a Basic Spra yer W etted P ar ts: Zinc and n ick el-plate d carbon st eel, stainless steel, PTFE , acetal, ch rome platin g, leather , V -Ma xt UHMWPE, a lumi- num, stainless ste el, tungsten carbide, cera mic, nylon, alumin um Sound Le vels* Dimensions Spra yer Fluid Pressure psi (bar) Hydraulic Res ...

  • Hitachi GH 300 - page 34

    Graco Standard Warra nty 34 311797F Graco Standar d W arranty Graco warrants all equipment ref erence d in this document which is manufactured b y Graco and bear ing its name to be free from de fe c t s i n material and workmanship on the date of sale to the origin al purch aser for use. With the e xception of any special, extended, or limited warr ...

Manufacturer Hitachi Category Paint Sprayer

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A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Hitachi GH 300 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Hitachi GH 300.

A complete Hitachi manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Hitachi GH 300 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Hitachi GH 300, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Hitachi GH 300, that we can find in the current document
3. Tips how to use the basic functions of the device Hitachi GH 300 - which should help us in our first steps of using Hitachi GH 300
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Hitachi GH 300
5. FAQ - Frequently Asked Questions
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