DOC-20230111-WA0038.

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UPPERSTRUCTURE / Cab9. Disconnect connector (30) of work light harness(29) at right rear side from the cab. Loosen clips(31) (2 used). Pass the work light harness at themain frame side through to draw the harness outby the clips.NOTE: No need to remove the work light on thecab, work light harness (29) of the cab sideand clips (31) (8 used).Work Light293031W1CC-02-01-00210. Remove bolts (34) (6 used), spring washers (33)(6 used), plane washers (32) (6 used). Then removeunder cover (35).: 17 mm35323334W1CC-02-07-00311. Draw out work light harness (29) at the mainframe side from the hole where under cover (35)has been removed.NOTE: Wind the work light harness passingthrough the cab into a ball near the floorplate hole, and secure it.29Floor Plate HoleW1CC-02-01-001W2-1-3
UPPERSTRUCTURE / CabCAUTION: Cab weight: 270 kg (600 Ib)12. Attach sling belts to top of the cab (at 4 places).W1SE-02-01-01113. Remove socket bolts (36) (4 used), bolts (38) (5used) and nuts (37) (4 used) from the frame.:8 mm: 17 mm: 24 mm383614. Hoist the cab carefully and remove from theframe.37W1SE-02-01-010W102-02-01-001W2-1-4
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INTRODUCTIONTO THE READER• This m
Page 4 and 5:
SAFETYRECOGNIZE SAFETY INFORMATION
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SAFETYWEAR PROTECTIVE CLOTHING• W
Page 8 and 9:
SAFETYUSE HANDHOLDS AND STEPS• Fa
Page 10 and 11:
OPERATE ONLY FROM OPERATOR'SSEAT•
Page 12 and 13: SAFETYDRIVE MACHINE SAFELY• Befor
Page 14 and 15: AVOID INJURY FROM BACK-OVER ANDSWIN
Page 16 and 17: SAFETYAVOID POWER LINES• Serious
Page 18 and 19: HANDLE FLUIDS SAFELY−AVOID FIRES
Page 20 and 21: SAFETYPRACTICE SAFE MAINTENANCETo a
Page 22 and 23: SAFETYPREVENT PARTS FROM FLYING•
Page 24 and 25: SAFETYAVOID HIGH-PRESSURE FLUIDS•
Page 26 and 27: SAFETYCheck Emergency Engine Stop S
Page 28 and 29: REMOVE PAINT BEFORE WELDING ORHEATI
Page 30 and 31: SAFETYDISPOSE OF WASTE PROPERLY•
Page 32 and 33: SECTION AND GROUPCONTENTSWORKSHOP M
Page 34 and 35: SECTION 1GENERAL INFORMATIONGroup 1
Page 36 and 37: GENERAL / Precautions for Disassemb
Page 44 and 45: TIGHTENING TORQUE SPECIFICATIONSGEN
Page 46 and 47: IMPORTANT: The following items are
Page 48 and 49: GENERAL / TighteningPIPING JOINT1 4
Page 50 and 51: GENERAL / TighteningScrew-In Connec
Page 52 and 53: PERIODIC REPLACEMENT OF PARTSGENERA
Page 54 and 55: GENERAL / PaintingPAINTINGPainting
Page 56 and 57: MEMO...............................
Page 58 and 59: SECTION 2UPPERSTRUCTURECONTENTSGrou
Page 60 and 61: UPPERSTRUCTURE / CabREMOVE AND INST
Page 64 and 65: UPPERSTRUCTURE / CabInstallationCAU
Page 66 and 67: UPPERSTRUCTURE / Cab7. Install viny
Page 68 and 69: DIMENSIONS OF THE CAB GLASSUPPERSTR
Page 70 and 71: UPPERSTRUCTURE / CabMethod for Remo
Page 72 and 73: UPPERSTRUCTURE / CabMethod for Inst
Page 74 and 75: UPPERSTRUCTURE / CabSpacer a (44584
Page 76 and 77: Install upper door glass as follows
Page 78 and 79: Install upper front glass as follow
Page 80 and 81: UPPERSTRUCTURE / CounterweightREMOV
Page 82 and 83: UPPERSTRUCTURE / Counterweight8. In
Page 84 and 85: UPPERSTRUCTURE / Counterweight5. In
Page 86 and 87: REMOVE AND INSTALL MAIN FRAMEUPPERS
Page 88 and 89: UPPERSTRUCTURE / Main FrameCAUTION:
Page 90 and 91: UPPERSTRUCTURE / Main FrameCAUTION:
Page 92 and 93: REMOVE AND INSTALL PUMP DEVICEUPPER
Page 94 and 95: UPPERSTRUCTURE / Pump DeviceInstall
Page 96 and 97: UPPERSTRUCTURE / Pump DeviceW2-4-5W
Page 98 and 99: UPPERSTRUCTURE / Pump DeviceDisasse
Page 100 and 101: UPPERSTRUCTURE / Pump Device1 - Cov
Page 102 and 103: UPPERSTRUCTURE / Pump DeviceAssembl
Page 108 and 109: UPPERSTRUCTURE / Pump Device(Blank)
Page 110 and 111: 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
Page 188 and 189:
Disassemble Right and Left Pilot Va
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Page 192 and 193:
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
Page 214 and 215:
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
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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
Page 316 and 317:
UNDERCARRIAGE / TrackMAINTENANCE ST
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UNDERCARRIAGE / TrackPinBAW142-03-0
Page 320 and 321:
MEMO...............................
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SECTION 4FRONT ATTACHMENTGroup 1 Fr
Page 324 and 325:
FRONT ATTACHMENT / Front Attachment
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Page 332 and 333:
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
Page 348 and 349:
FRONT ATTACHMENT / CylinderDisassem
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Page 356 and 357:
FRONT ATTACHMENT / CylinderAssemble
Page 358 and 359:
FRONT ATTACHMENT / CylinderIMPORTAN
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11. Align the holes on piston rod (
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Page 368 and 369:
MEMO...............................
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SECTION 5ENGINE AND ACCESSORYSECTIO
Page 592 and 593:
MEMO...............................
Page 594:
Hitachi Construction Machinery Co.
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DOC-20230111-WA0038.

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