DOC-20230111-WA0038.

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SECTION 4FRONT ATTACHMENTGroup 1 Front AttachmentRemove and Install Front Attachment W4-1-1Maintenance Standard ...................... W4-1-6Standard Dimensions forArm and Bucket Connection ............ W4-1-9Group 2 CylinderRemove and Install Cylinder .............. W4-2-1Disassemble Cylinder...................... W4-2-14Assemble Cylinder .......................... W4-2-22Maintenance Standard ..................... W4-2-34CONTENTS1CCW-4-1
(Blank)1CCW-4-2
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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
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UPPERSTRUCTURE / Swing Device12. Re
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UPPERSTRUCTURE / Swing DeviceAssemb
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UPPERSTRUCTURE / Swing Device18. Ap
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REMOVE AND INSTALL RIGHT PILOTVALVE
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UPPERSTRUCTURE / Pilot ValveIMPORTA
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REMOVE AND INSTALL LEFT PILOTVALVEU
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REMOVE AND INSTALL TRAVEL PILOTVALV
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UPPERSTRUCTURE / Pilot ValveInstall
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REMOVE AND INSTALL BLADE PILOTVALVE
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UPPERSTRUCTURE / Pilot ValveInstall
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Disassemble Right and Left Pilot Va
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Assemble Right and Left Pilot Valve
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UPPERSTRUCTURE / Pilot Valve8. Appl
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UPPERSTRUCTURE / Pilot ValveDisasse
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UPPERSTRUCTURE / Pilot Valve10. Rem
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Assemble Travel Pilot ValveUPPERSTR
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UPPERSTRUCTURE / Pilot Valve7. Plac
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UPPERSTRUCTURE / Pilot Valve14. Ins
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Disassemble Blade Pilot Valve• Be
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UPPERSTRUCTURE / Pilot ValveAssembl
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UPPERSTRUCTURE / Pilot Shut-Off Val
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InstallationUPPERSTRUCTURE / Pilot
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UPPERSTRUCTURE / Pilot Shut-Off Val
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Assemble Pilot Shut-Off ValveUPPERS
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REMOVE AND INSTALL SHOCKLESSVALVEUP
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DISASSEMBLE AND ASSEMBLE SHOCK-LESS
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UPPERSTRUCTURE / Shockless Valvekey
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REMOVE AND INSTALL SOLENOID VALVEUN
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UPPERSTRUCTURE / Solenoid Valve(Bla
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Disassemble Proportional Solenoid V
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Assemble Proportional Solenoid Valv
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UPPERSTRUCTURE / Solenoid ValveDisa
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MEMO...............................
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SECTION 3UNDERCARRIAGECONTENTNSGrou
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REMOVE AND INSTALL SWING BEARINGUND
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UNDERCARRIAGE / Swing Bearing(Blank
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UNDERCARRIAGE / Swing BearingDisass
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UNDERCARRIAGE / Swing BearingAssemb
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REMOVE AND INSTALL TRAVEL DEVICEUND
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UNDERCARRIAGE / Travel DeviceInstal
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UNDERCARRIAGE / Travel DeviceDisass
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IMPORTANT: For handling of floating
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UNDERCARRIAGE / Travel DeviceAssemb
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UNDERCARRIAGE / Travel Device11. In
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UNDERCARRIAGE / Travel DeviceDisass
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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
Page 272 and 273: UNDERCARRIAGE / Center JointInstall
Page 274 and 275: UNDERCARRIAGE / Center JointDisasse
Page 276 and 277: UNDERCARRIAGE / Center JointAssembl
Page 278 and 279: MAINTENANCE STANDARDUNDERCARRIAGE /
Page 280 and 281: REMOVE AND INSTALL TRACKADJUSTERBef
Page 282 and 283: Disassemble Track Adjuster• Be su
Page 284 and 285: UNDERCARRIAGE / Track AdjusterCAUTI
Page 288 and 289: UNDERCARRIAGE / Track AdjusterAssem
Page 292 and 293: REMOVE AND INSTALL FRONT IDLERBefor
Page 294 and 295: UNDERCARRIAGE / Front IdlerDisassem
Page 296 and 297: UNDERCARRIAGE / Front IdlerAssemble
Page 298 and 299: UNDERCARRIAGE / Upper And Lower Rol
Page 310 and 311: REMOVE AND INSTALL TRACKSRemovalUND
Page 312 and 313: UNDERCARRIAGE / TrackCAUTION: Secur
Page 314 and 315: UNDERCARRIAGE / TrackIMPORTANT: Ins
Page 316 and 317: UNDERCARRIAGE / TrackMAINTENANCE ST
Page 318 and 319: UNDERCARRIAGE / TrackPinBAW142-03-0
Page 320 and 321: MEMO...............................
Page 324 and 325: FRONT ATTACHMENT / Front Attachment
Page 332 and 333: STANDARD DIMENSIONS FOR ARMAND BUCK
Page 334 and 335: REMOVE AND INSTALL CYLINDERFRONT AT
Page 336 and 337: FRONT ATTACHMENT / CylinderInstall
Page 338 and 339: FRONT ATTACHMENT / CylinderCAUTION:
Page 340 and 341: FRONT ATTACHMENT / Cylinder4. Remov
Page 342 and 343: 4. Disconnect hoses (6) (2 used) fr
Page 344 and 345: 5. Hoist boom cylinder (4). Start t
Page 346 and 347: FRONT ATTACHMENT / CylinderInstall
Page 348 and 349: FRONT ATTACHMENT / CylinderDisassem
Page 356 and 357: FRONT ATTACHMENT / CylinderAssemble
Page 358 and 359: FRONT ATTACHMENT / CylinderIMPORTAN
Page 362 and 363: 11. Align the holes on piston rod (
Page 368 and 369: MEMO...............................
Page 370 and 371: SECTION 5ENGINE AND ACCESSORYSECTIO
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MEMO...............................
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Hitachi Construction Machinery Co.
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