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Manual Hitachi 309379

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  • Hitachi 309379 - page 1

    309379 Rev . F REP AIR INSTRUCTIONS This manual contains important warnings and information. READ AND KEEP FOR REFERENCE. HydraMax  Sprayers HydraMax 225 3600 psi (248 bar , 24.8 MPa) Maximum Working Pressure) Model Series Direct Immersion 30 Gallon Suction RAC R X, Silver Gun and Hose 233640 B X 233641 B X 233642 B X X 233643 B X X HydraMax 3 0 ...

  • Hitachi 309379 - page 2

    309379 2 Danger d’incendie et d’explosion : les gaz de solvant et de peinture peuvent s’enf lammer ou exploser . Pour évi ter les risques d’i ncendi e et d’ explo sion :  N’utili ser l’ap pareil que dans une zone extrêmem ent bien aérée.  Élimi ner tout e source d’inflam mati on ; tell e que veilleus es, cigarett es et ar ...

  • Hitachi 309379 - page 3

    3 309379 General Repair Information W ARNING MOVING P ARTS HAZARD T o reduce risk of serious injury , do not touch moving parts with fingers or tools while testing repair . Shut off sprayer when repairing. Install all covers, gas- kets, screws and washers before operat- ing sprayer . CAUTION T o reduce risk of pressure control malfunction:  Use ...

  • Hitachi 309379 - page 4

    309379 4 Maintenance 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, follow the Pressure Relie ...

  • Hitachi 309379 - page 5

    5 309379 T roubleshooting W ARNING INJECTION HAZARD T o reduce risk of serious injury , when instructed to relieve pressure, follow steps 1. – 6.; page 4. PROBLEM CAUSE SOLUTION Gas engine pulls hard (won’t start) Hydraulic pressure is too high Turn hydraulic pressure knob ccw to lowest setting Gas engine will not start Switch OFF , low oil, no ...

  • Hitachi 309379 - page 6

    309379 6 Hydraulic Pump Removal 1. Relieve pressure ; page 4. Let hydraulic system cool before beginning ser- vice. 2. Fig 2. Use 3.5 gallon container to catch hydraulic fluid. Remove reservoir drain plug (133) and drain hydraulic fluid. 3. Remove two screws (141) and fan shroud (23). 4. Remove eight screws (136), washers (81) and reservoir cover ( ...

  • Hitachi 309379 - page 7

    7 309379 TI1 1476b 136 136 81 50 Engine mounting fasteners 23 6 19 139 Fig. 2 141 2 133 94 141 A 24 67 46 54 53 64 25 58 30 Bottom View 18 52 56 F C E D B ...

  • Hitachi 309379 - page 8

    309379 8 Fan Belt Removal 1. Fig. 3. Remove two screws (141) and slide shroud (23) up and off of sprayer . 2. Loosen four fasteners on underside of engine (1). 3. Loosen belt tension adjustment screw . 4. Slide engine to left (rear view) to remove tension on belt. 5. Remove belt (6). Installation 1. Thread new belt around bottom drive pulley , and ...

  • Hitachi 309379 - page 9

    9 309379 Pressure Control Display and Control Board Removal 1. Relieve pressure ; page 4. 2. Fig. 4. Remove four screws (100) and pressure control cover (99). Disconnect display connector from control board and remove display . 3. Disconnect wiring from switch (93). 4. Remove two screws (74) and switch panel (97). 5. Remove six screws (72). 6. Disc ...

  • Hitachi 309379 - page 10

    309379 10 Pressure Control Digital T racking System  (DTS) The DTS contains stored data to assist with job con- trol, troubleshooting and maintenance. General The DTS has Main and Secondary operation menus: Main Menu – Three modes/displays (four if AutoClean is installed). The sprayer automatically enters the Main Menu when the engine starts. ...

  • Hitachi 309379 - page 11

    (Setup) (AutoClean) 11 309379 DTS Error Codes No display does not mean that sprayer is not pressurized. Relieve pressure before repair ; page 4. DISPLA Y SPRA YER OPERA TION INDICA TION ACTION Engine runs. Pump stops. Pressure exceeded 4900 psi (338 bar , 34 MPa) Correct over-pressure cause. Check transducer and control board. T ake to service cent ...

  • Hitachi 309379 - page 12

    309379 12 Engine Removal 1. Do Fan Belt, Removal ; page 8. 2. Fig. 5. Disconnect all necessary wiring. 3. Fig. 6. Remove four engine mounting fasteners from underside of engine. NOTE: All service to the engine must be performed by an authorized HONDA dealer . Fig. 5 Disconnect at connector ti1477a Fig. 6 Only used on HydraMax 300 and 350 ti1474a A ...

  • Hitachi 309379 - page 13

    13 309379 Hydraulic Motor Removal 1. Relieve pressure ; page 4. 2. Fig. 7. Remove four cap screws (33), washers (128) and cylinder cap (34). 3. Remove o-ring (44) from cylinder sleeve (36). 4. Remove screw (141) and cover (106). 5. Disconnect magnetic sensor (47). 6. Remove cylinder sleeve (36). 7. Remove hydraulic cylinder (37) and o-ring (44). In ...

  • Hitachi 309379 - page 14

    309379 14 Directional V alve and Hydraulic Motor Switches Directional V alve Removal 1. Relieve pressure ; page 4. 2. Fig. 7. Remove large hex nut (F) on top of valve (32). 3. Slide coil off valve. 4. Remove valve body . Installation 1. Install valve body by tightening large nut next to hydraulic manifold. T orque to 65 +/–5 ft-lb. 2. Slide coil ...

  • Hitachi 309379 - page 15

    15 309379 Displacement Pump See manual 309277 for pump repair instructions. Removal 1. Flush pump. 2. Relieve pressure ; page 4. 3. Fig. 8. Remove suction tube and paint hose (re- move at swivel end). Fig. 8 pump rod ti1478a hydraulic rod 4. Fig. 9. Push retaining spring up; push out pin (21). Fig. 9 21 ti1478a 5. Fig. 10. Loosen locknut with hamme ...

  • Hitachi 309379 - page 16

    309379 16 ti1426C Parts Drawing – HydraMax 225 Sprayer s 1 Page 18 Page 20 48 111 3 85 105 4 7 73 11 2 148 147 82 12 143 49 11 55 51 135 134 10 10 11 7 9 78 77 144 66 Page 28 158 63 8 146 160 95 145 165 122 168 121 11 6 73 104 11 5 130b 22b 76a 61 22a 130a 1 1 Apply anaerobic adhesive and torque to 190 – 210 in-lb 76b 61 104 157 79 80 ...

  • Hitachi 309379 - page 17

    17 309379 Parts List – HydraMax 225 Sprayers Models 233640 and 233641 Ref No. Part No. Description Qty Ref No. Part No. Description Qty 1 1 16080 ENGINE, 6.5 hp 1 3 244949 PULLEY , gearbelt 1 includes 79, 80 4 1 16399 WHEEL, pneumatic, 13” 2 7 101242 RING, retaining, ext. 2 8 1 14271 STRAP , retaining 1 9 191084 SLEEVE, cart 2 10 243962 HANDLE, ...

  • Hitachi 309379 - page 18

    309379 18 Parts Drawing – HydraMax 225 Sprayer s 81 20 136 50 26 24 2 201 52 23 1 41 13 25 95 65 13 5 58 30 19 18 6 139 53 62 62 27 27 156 133 21 56 31 134 135 134 86 11 9 14 29 67 54 1 24 83 89 94 64 28 200 29 11 8 70 155 156 153 163 141 154 68 164 Page 20 ti1427b 11 9 90 71 157 177 159 ...

  • Hitachi 309379 - page 19

    19 309379 Parts List – HydraMax 225 Sprayers Models 233640 and 233641 Ref No. Part No. Description Qty Ref No. Part No. Description Qty 2 1 16068 PUMP , hydraulic 1 5ƒ 1 16060 FITTING, bulkhead, hydraulic 2 6 1 16061 BEL T , gearbelt, ’H’1/2 1 13ƒ 1 10925 P ACKING, o–ring 2 14 198321 PIPE, case drain 1 18 100002 SCREW , set, sch 2 19 1974 ...

  • Hitachi 309379 - page 20

    309379 20 ti1428a ti1428a Parts Drawing – HydraMax 225 Sprayers 36 44 37 40 41 102 39 38 42 59 60 43 44 34 33 133 48 45 57 35 132 131 131 132 32 141 106 140 91 46 47 137 128 138 129 11 3 86 108 109 142 15 69 126 123 ...

  • Hitachi 309379 - page 21

    21 309379 Parts List – HydraMax 225 Sprayers Models 233640 and 233641 Ref No. Part No. Description Qty Ref No. Part No. Description Qty 15 2441 10 HOSE, coupled 1 32 244985 V AL VE, directional 1 33 1 16375 SCREW , cap, socket head 4 34 197434 CAP , cylinder 1 35 197436 TUBE, hydraulic 1 36 197437 SLEEVE, cylinder 1 37‡ 245157 CYLINDER, hydraul ...

  • Hitachi 309379 - page 22

    309379 22 1 48 111 3 85 105 102 4 7 73 11 2 147 148 82 12 143 49 11 55 51 135 134 10 10 11 7 9 78 77 144 66 Page 28 8 158 11 6 73 69 76 130 22 160 95 82 146 11 5 61 63 95 Parts Drawing – HydraMax 300/350 Sprayers 1 1 Apply anaerobic adhesive and torque to 190 – 210 in-lb 146 69 181 182 300 300 157 180 79 80 ti1389C ...

  • Hitachi 309379 - page 23

    23 309379 Parts List – HydraMax 300/350 Sprayers Model 233650 and 233660 Ref No. Part No. Description Qty Ref No. Part No. Description Qty 1 ENGINE 1 16081 Model 300, 9.0 hp 1 1 16082 Model 350 1 1.0 hp 1 3 243961 PULLEY , gearbelt 1 includes 79, 80 4 1 16399 WHEEL, pneumatic, 13” 2 7 101242 RING, retaining, ext. 2 8 1 14271 STRAP , retaining 1 ...

  • Hitachi 309379 - page 24

    309379 24 Parts Drawing – HydraMax 300/350 Sprayers 81 20 136 50 26 24 2 52 23 141 13 25 95 65 13 5 58 30 19 18 6 139 53 62 62 27 27 156 133 21 56 31 134 135 86 Page 26 11 9 14 29 67 153 163 94 64 68 70 11 8 54 200 28 124 164 154 141 146 168 169 122 121 156 155 89 ti1390c 29 83 201 11 9 159 90 71 157 177 ...

  • Hitachi 309379 - page 25

    25 309379 Parts List – HydraMax 300/350 Sprayers Model 233650 and 233660 Ref No. Part No. Description Qty Ref No. Part No. Description Qty 2 PUMP , hydraulic 1 16699 Model 300 1 1 16700 Model 350 1 5* 1 16060 FITTING, bulkhead, hydraulic 2 6 1 16059 BEL T , gearbelt, ’H’1/2 1 13* 1 10925 P ACKING, o–ring 2 14 198321 PIPE, case drain 1 18 10 ...

  • Hitachi 309379 - page 26

    309379 26 Parts Drawing – HydraMax 300/350 Sprayers 146 44 37 44 41 40 103 39 38 42 60 59 43 34 33 175 45 48 129 57 35 132 131 131 132 32 141 106 140 91 46 47 137 128 138 36 15 108 109 11 3 145 123 126 142 ti1391a ...

  • Hitachi 309379 - page 27

    27 309379 Parts List – HydraMax 300/350 Sprayers Model 233650 and 233660 Ref No. Part No. Description Qty Ref No. Part No. Description Qty 15 245201 HOSE, coupled 1 32 244985 V AL VE, directional 1 33 1 16376 SCREW , cap, socket head 4 34 196626 CAP , cylinder 1 35 196630 TUBE, hydraulic 1 36 196631 SLEEVE, cylinder 1 37 244991 CYLINDER, hydrauli ...

  • Hitachi 309379 - page 28

    309379 28 TI1430b Parts Drawing – HydraMax 225/300/350 Sprayers 317 320 319 75 88 76 Ref 322 323 330 321 329 328 327 326 325 324 72 11 4 305 308 304 97 74 93 17 306 15 Ref 127 87 125 16 315 310 313 302 312 303 318 307 266G 316 301 314 31 1 Control Board WIRING DIAGRAM T o Display T o Engine J1 J2 4 Pin Connector to Sensors (47) 2 Pin Connector T ...

  • Hitachi 309379 - page 29

    29 309379 Parts List – HydraMax 225/300/350 Sprayers Model 233650 and 233660 Ref No. Part No. Description Qty Ref No. Part No. Description Qty 16‡ 243985 CABLE, power 1 17‡ CABLE, power 244946 Model 225 1 243986 Model 300/350 1 301‡ 100021 SCREW , cap, hex, hd 3 302‡ 105510 WASHER, lock, spring 3 303‡ 105685 SCREW , thread forming 2 304 ...

  • Hitachi 309379 - page 30

    309379 30 HydraMax Sprayers with Spray Gun and Hoses HydraMax 225, 300 and 350 Sprayers Models 233642, 233643, 233651, 233661 Includes items 202 to 202f Ref No. Part No. Description Qty 202 KIT , Hose and Gun 1 287043 Models 233642, 233643, 233651 1 244925 Model 233661 1 202a HOSE, 50 ft 1 215245 Model 233661 1 grounded, nylon; 3/8 in. ID; cpld 3/8 ...

  • Hitachi 309379 - page 31

    31 309379 T echnical Data Model Hydraulic Pressure psi (bar) Hydraulic Reservoir Capacity Gallons (Liters) Motor HP (kW) Cycles per gallon (liter) Maximum Delivery gpm (lpm) Maximum Tip size Fluid Inlet in. Fluid Outlet in. 1 gun 2 guns npsm(m) npt(f) 225 2035 (140) 2.75 (10.5) 6.5 (4.8) 47 (13) 2.25 (8.6) 0.050 0.035 1 npsm(m) 3/8 1/2 300 2305 (15 ...

  • Hitachi 309379 - page 32

    309379 32 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 o f any special extended or limited warranty published by Gr ...

Manufacturer Hitachi Category Paint Sprayer

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5. FAQ - Frequently Asked Questions
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