DOC-20230111-WA0038.

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InstallationUPPERSTRUCTURE / Pilot Shut-Off Valve21221. Install pilot shut-off valve (7) with socket bolts (11)(2 used).:8 mm: 50 N⋅m (5.1 kgf⋅m, 37 lbf⋅ft)20111219182. Install plane washer (6) to socket bolt (5).Install rod end (8) with spring washer (9), nut (10)and the socket bolt.: 10 mm:5 mm: 20 N⋅m (2 kgf⋅m, 14.5 lbf⋅ft)1711 - Socket Bolts (2 used)12 - Hose T4 : To hydraulic oil tank13 - Hose BT : From blade pilot valve14 - Hose PB : From solenoid valve unit15 - Hose T3: From right pilot valve16 - Hose HT : To shockless valve17 - Hose T2: From left pilot valve18 - Hose BP : To blade pilot valve19 - Hose P1 : To left pilot valve20 - Hose P2: To right pilot valve21 - Hose PT : From travel pilot valve22 - Hose PP: To travel pilot valve8715141610913W1CC-02-08-0033. Connect hoses (12 to 22) to pilot shut-off valve(7).: 19 mm: 29.5 N⋅m (3 kgf⋅m, 22 lbf⋅ft): 22 mm: 39 N⋅m (4 kgf⋅m, 29 lbf⋅ft)56W197-02-08-0014. Install spring washers (2) (6 used) and planewashers (1) (6 used) to bolts (3) (6 used).Install under cover (4) with the bolt.: 17 mm: 50 N⋅m (5.1 kgf⋅m, 37 lbf⋅ft)4123W1CC-02-07-003W2-8-3
UPPERSTRUCTURE / Pilot Shut-Off ValveDISASSEMBLE PILOT SHUT-OFF VALVE1234145678131211910W1CC-02-08-0011 - Retaining Ring 5 - O-Ring 9 - Spring Pin 12 - Socket Bolt2 - Washer 6 - Backup Ring 10 - Lever 13 - Steel Ball3 - Backup Ring 7 - Washer 11 - Spool 14 - Body4 - O-Ring 8 - Retaining RingW2-8-4
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INTRODUCTIONTO THE READER• This m
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SAFETYRECOGNIZE SAFETY INFORMATION
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SAFETYWEAR PROTECTIVE CLOTHING• W
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SAFETYUSE HANDHOLDS AND STEPS• Fa
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OPERATE ONLY FROM OPERATOR'SSEAT•
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SAFETYDRIVE MACHINE SAFELY• Befor
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AVOID INJURY FROM BACK-OVER ANDSWIN
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SAFETYAVOID POWER LINES• Serious
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HANDLE FLUIDS SAFELY−AVOID FIRES
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SAFETYPRACTICE SAFE MAINTENANCETo a
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SAFETYPREVENT PARTS FROM FLYING•
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SAFETYAVOID HIGH-PRESSURE FLUIDS•
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SAFETYCheck Emergency Engine Stop S
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REMOVE PAINT BEFORE WELDING ORHEATI
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SAFETYDISPOSE OF WASTE PROPERLY•
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SECTION AND GROUPCONTENTSWORKSHOP M
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SECTION 1GENERAL INFORMATIONGroup 1
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GENERAL / Precautions for Disassemb
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TIGHTENING TORQUE SPECIFICATIONSGEN
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IMPORTANT: The following items are
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GENERAL / TighteningPIPING JOINT1 4
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GENERAL / TighteningScrew-In Connec
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PERIODIC REPLACEMENT OF PARTSGENERA
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GENERAL / PaintingPAINTINGPainting
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MEMO...............................
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SECTION 2UPPERSTRUCTURECONTENTSGrou
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UPPERSTRUCTURE / CabREMOVE AND INST
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UPPERSTRUCTURE / Cab9. Disconnect c
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UPPERSTRUCTURE / CabInstallationCAU
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UPPERSTRUCTURE / Cab7. Install viny
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DIMENSIONS OF THE CAB GLASSUPPERSTR
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UPPERSTRUCTURE / CabMethod for Remo
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UPPERSTRUCTURE / CabMethod for Inst
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UPPERSTRUCTURE / CabSpacer a (44584
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Install upper door glass as follows
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Install upper front glass as follow
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UPPERSTRUCTURE / CounterweightREMOV
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UPPERSTRUCTURE / Counterweight8. In
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UPPERSTRUCTURE / Counterweight5. In
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REMOVE AND INSTALL MAIN FRAMEUPPERS
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UPPERSTRUCTURE / Main FrameCAUTION:
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UPPERSTRUCTURE / Main FrameCAUTION:
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REMOVE AND INSTALL PUMP DEVICEUPPER
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UPPERSTRUCTURE / Pump DeviceInstall
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UPPERSTRUCTURE / Pump DeviceW2-4-5W
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UPPERSTRUCTURE / Pump DeviceDisasse
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UPPERSTRUCTURE / Pump Device1 - Cov
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UPPERSTRUCTURE / Pump DeviceAssembl
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UPPERSTRUCTURE / Pump Device(Blank)
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UPPERSTRUCTURE / Pump DeviceNo Part
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REMOVE AND INSTALLE CONTROLVALVE 1U
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UPPERSTRUCTURE / Control ValveInsta
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UPPERSTRUCTURE / Control ValveDISAS
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UPPERSTRUCTURE / Control Valve95838
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Disassemble Control Valve 1• Be s
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5. Remove plug (26), O-ring (27), s
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UPPERSTRUCTURE / Control Valve13. L
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ASSEMBLE CONTROL VALVE 1UPPERSTRUCT
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UPPERSTRUCTURE / Control ValveSecti
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UPPERSTRUCTURE / Control ValveAssem
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UPPRERSTRUCTURE / Control Valve11.
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UPPERSTRUCTURE / Control Valve17. I
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UPPERSTRUCTURE / Control ValveRemov
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UPPERSTRUCTURE / Control ValveDisas
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UPPERSTRUCTURE / Control Valve1 - S
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UPPERSTRUCTURE / Control ValveAssem
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REMOVE AND INSTALLE SWING DEVICEUPP
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UPPERSTRUCTURE / Swing Device(Blank
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UPPERSTRUCTURE / Swing DeviceDisass
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UPPERSTRUCTURE / Swing DeviceCAUTIO
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UPPERSTRUCTURE / Swing DeviceCAUTIO
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UPPERSTRUCTURE / Swing DeviceAssemb
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UPPERSTRUCTURE / Swing Device9. Adj
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UPPERSTRUCTURE / Swing Device10. Re
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UPPERSTRUCTURE / Swing DeviceIMPORT
Page 162 and 163: UPPERSTRUCTURE / Swing DeviceDisass
Page 164 and 165: UPPERSTRUCTURE / Swing Device12. Re
Page 166 and 167: UPPERSTRUCTURE / Swing DeviceAssemb
Page 168 and 169: UPPERSTRUCTURE / Swing Device18. Ap
Page 170 and 171: UPPERSTRUCTURE / Swing DeviceDisass
Page 172 and 173: REMOVE AND INSTALL RIGHT PILOTVALVE
Page 174 and 175: UPPERSTRUCTURE / Pilot ValveIMPORTA
Page 176 and 177: REMOVE AND INSTALL LEFT PILOTVALVEU
Page 180 and 181: REMOVE AND INSTALL TRAVEL PILOTVALV
Page 182 and 183: UPPERSTRUCTURE / Pilot ValveInstall
Page 184 and 185: REMOVE AND INSTALL BLADE PILOTVALVE
Page 186 and 187: UPPERSTRUCTURE / Pilot ValveInstall
Page 188 and 189: Disassemble Right and Left Pilot Va
Page 192 and 193: Assemble Right and Left Pilot Valve
Page 194 and 195: UPPERSTRUCTURE / Pilot Valve8. Appl
Page 196 and 197: UPPERSTRUCTURE / Pilot ValveDisasse
Page 198 and 199: UPPERSTRUCTURE / Pilot Valve10. Rem
Page 200 and 201: Assemble Travel Pilot ValveUPPERSTR
Page 202 and 203: UPPERSTRUCTURE / Pilot Valve7. Plac
Page 204 and 205: UPPERSTRUCTURE / Pilot Valve14. Ins
Page 206 and 207: Disassemble Blade Pilot Valve• Be
Page 208 and 209: UPPERSTRUCTURE / Pilot ValveAssembl
Page 210 and 211: UPPERSTRUCTURE / Pilot Shut-Off Val
Page 214 and 215: UPPERSTRUCTURE / Pilot Shut-Off Val
Page 216 and 217: Assemble Pilot Shut-Off ValveUPPERS
Page 218 and 219: REMOVE AND INSTALL SHOCKLESSVALVEUP
Page 220 and 221: DISASSEMBLE AND ASSEMBLE SHOCK-LESS
Page 222 and 223: UPPERSTRUCTURE / Shockless Valvekey
Page 224 and 225: REMOVE AND INSTALL SOLENOID VALVEUN
Page 226 and 227: UPPERSTRUCTURE / Solenoid Valve(Bla
Page 228 and 229: Disassemble Proportional Solenoid V
Page 230 and 231: Assemble Proportional Solenoid Valv
Page 232 and 233: UPPERSTRUCTURE / Solenoid ValveDisa
Page 234 and 235: MEMO...............................
Page 236 and 237: SECTION 3UNDERCARRIAGECONTENTNSGrou
Page 238 and 239: REMOVE AND INSTALL SWING BEARINGUND
Page 240 and 241: UNDERCARRIAGE / Swing Bearing(Blank
Page 242 and 243: UNDERCARRIAGE / Swing BearingDisass
Page 244 and 245: UNDERCARRIAGE / Swing BearingAssemb
Page 246 and 247: REMOVE AND INSTALL TRAVEL DEVICEUND
Page 248 and 249: UNDERCARRIAGE / Travel DeviceInstal
Page 250 and 251: UNDERCARRIAGE / Travel DeviceDisass
Page 252 and 253: IMPORTANT: For handling of floating
Page 254 and 255: UNDERCARRIAGE / Travel DeviceAssemb
Page 256 and 257: UNDERCARRIAGE / Travel Device11. In
Page 258 and 259: UNDERCARRIAGE / Travel DeviceDisass
Page 260 and 261: 12. Remove retaining rings (23) and
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UNDERCARRIAGE / Travel DeviceAssemb
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IMPORTANT: When needle bearing (7)
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Disassemble Brake Valve• Be sure
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Assemble Brake Valve• Be sure to
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REMOVE AND INSTALL CENTER JOINTUNDE
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UNDERCARRIAGE / Center JointInstall
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UNDERCARRIAGE / Center JointDisasse
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UNDERCARRIAGE / Center JointAssembl
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MAINTENANCE STANDARDUNDERCARRIAGE /
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REMOVE AND INSTALL TRACKADJUSTERBef
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Disassemble Track Adjuster• Be su
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UNDERCARRIAGE / Track AdjusterCAUTI
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UNDERCARRIAGE / Track AdjusterAssem
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REMOVE AND INSTALL FRONT IDLERBefor
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UNDERCARRIAGE / Front IdlerDisassem
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UNDERCARRIAGE / Front IdlerAssemble
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UNDERCARRIAGE / Upper And Lower Rol
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REMOVE AND INSTALL TRACKSRemovalUND
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UNDERCARRIAGE / TrackCAUTION: Secur
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UNDERCARRIAGE / TrackIMPORTANT: Ins
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UNDERCARRIAGE / TrackMAINTENANCE ST
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UNDERCARRIAGE / TrackPinBAW142-03-0
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MEMO...............................
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SECTION 4FRONT ATTACHMENTGroup 1 Fr
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FRONT ATTACHMENT / Front Attachment
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STANDARD DIMENSIONS FOR ARMAND BUCK
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REMOVE AND INSTALL CYLINDERFRONT AT
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FRONT ATTACHMENT / CylinderInstall
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FRONT ATTACHMENT / CylinderCAUTION:
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FRONT ATTACHMENT / Cylinder4. Remov
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4. Disconnect hoses (6) (2 used) fr
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5. Hoist boom cylinder (4). Start t
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FRONT ATTACHMENT / CylinderInstall
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FRONT ATTACHMENT / CylinderDisassem
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FRONT ATTACHMENT / CylinderAssemble
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FRONT ATTACHMENT / CylinderIMPORTAN
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11. Align the holes on piston rod (
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MEMO...............................
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SECTION 5ENGINE AND ACCESSORYSECTIO
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MEMO...............................
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Hitachi Construction Machinery Co.
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