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Hitachi ZW550 6 Wheel Loader Workshop Manual WNHK70 – PDF DOWNLOAD
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Hitachi ZW550 6 Wheel Loader Workshop Manual WNHK70
Part No : NHK70W-4-1
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Description
Hitachi ZW550 6 Wheel Loader Workshop Manual WNHK70
File details:
Hitachi ZW550 6 Wheel Loader Workshop Manual WNHK70
Language : English
Pages : 423
Size : 34.3 MB
Downloadable : Yes
Format : PDF
Part No : NHK70W-4-1
HITACHI ZW550 6 WHEEL LOADER WORKSHOP MANUAL WNHK70 – PDF DOWNLOAD:
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Table of Contents:
Hitachi ZW550 6 Wheel Loader Workshop Manual WNHK70
WNHK70-EN-00.................................................................... 0 CONTENTS........................................................................ 0 INTRODUCTION.................................................................... 0 SYMBOL AND ABBREVIATION......................................................... 0 SAFETY.......................................................................... 0 SECTION AND GROUP CONTENTS...................................................... 0 SECTION 1 GENERAL............................................................... 0 Group 1 Precautions for Disassembling and Assembling........................ 0 Precautions for Disassembling andAssembling............................. 0 Group 2 Tightening.......................................................... 0 Tightening Bolts and Nuts............................................... 0 Piping Joint............................................................ 0 Group 3 Painting............................................................ 0 Painting................................................................ 0 Group 4 Bleeding Air........................................................ 0 Bleeding Air from Hydraulic Oil Tank.................................... 0 Bleeding Air from Hydraulic System...................................... 0 Bleed Air from Fuel System.............................................. 0 Bleeding Air from Radiator/CCV Line..................................... 0 Bleeding Air from Brake (Axle).......................................... 0 Bleeding Air from Parking Brake......................................... 0 Group 5 Pressure Release Procedure.......................................... 0 Front Attachment Hydraulic Circuit PressureRelease Procedure............ 0 Ride Control Accumulator Pressure ReleaseProcedure...................... 0 Parking Brake Accumulator Pressure ReleaseProcedure..................... 0 Group 6 Preparation......................................................... 0 Preparation before Inspection andMaintenance............................ 0 SECTION 2 MAINTENANCE STANDARD.................................................. 0 Group 1 Body................................................................ 0 Center Hinge............................................................ 0 Pilot Valve (Two Lever Type)............................................ 0 Group 2 Front Attachment.................................................... 0 Pin and Bushing......................................................... 0 Standard Dimensions for Lift Arm and Bucket............................. 0 SECTION 3 BODY.................................................................. 0 Group 1 Cab................................................................. 0 Removal and Installation of Cab......................................... 0 Group 2 Counterweight....................................................... 0 Removal and Installation of Counterweight............................... 0 Group 3 Center Hinge........................................................ 0 Removal and Installation of Center Hinge................................ 0 Removal and Installation of the HydraulicHoses of Front Frame Side...... 0 Group 4 Engine.............................................................. 0 Removal and Installation of Engine...................................... 0 Removal and Installation of Exterior Parts.............................. 0 Removal and Installation of Air Cleaner................................. 0 Group 5 Radiator Assembly................................................... 0 Replacement of Radiator and Cooling System.............................. 0 Group 6 Hydraulic Oil Tank.................................................. 0 Removal and Installation of Hydraulic Oil Tank.......................... 0 Group 7 Fuel Tank........................................................... 0 Removal and Installation of Fuel Tank................................... 0 Group 8 Pump Device......................................................... 0 Removal and Installation of Pump Device................................. 0 Disassembly and Assembly of Pump Device................................. 0 Disassembly of Main Pump................................................ 0 Assembly of Main Pump................................................... 0 Disassembly of Regulator................................................ 0 Assembly of Regulator................................................... 0 Removal and Installation of Pilot Pump.................................. 0 Disassembly of Pilot Pump............................................... 0 Assembly of Pilot Pump.................................................. 0 Group 9 Control Valve....................................................... 0 Removal and Installation of Control Valve............................... 0 Disassembly and Assembly of Control Valve............................... 0 Group 10 Pilot Valve........................................................ 0 Removal and Installation of Pilot Valve(Single Lever Type).............. 0 Removal and Installation of Pilot Valve (TwoLever Type )................ 0 Disassembly of Pilot Valve (Single LeverType)........................... 0 Assembly of Pilot Valve (Single Lever Type)............................. 0 Disassembly of Pilot Valve (Two Lever Type)............................. 0 Assembly of Pilot Valve (Two Lever Type)................................ 0 Group 11 Brake Charge Valve................................................. 0 Removal and Installation of Brake ChargeValve........................... 0 Structure of Brake Charge Valve......................................... 0 Disassembly of Brake Charge Valve....................................... 0 Assembly of Brake Charge Valve.......................................... 0 Removal and Installation of BrakeAccumulators........................... 0 Group 12 Combination Valve.................................................. 0 Removal and Installation of CombinationValve............................ 0 Structure and Tightening Torque of Combination Valve Components......... 0 Group 13 DEF Tank........................................................... 0 Removal and Installation of DEF Tank.................................... 0 Disassembly of DEF Tank................................................. 0 Assembly of DEF Tank.................................................... 0 Group 14 Flow Regulator Valve............................................... 0 Removal and Installation of Flow RegulatorValve......................... 0 Structure of Flow Regulator Valve....................................... 0 Group 15 Cooling Fan System................................................. 0 Removal and Installation of Fan ControlValve............................ 0 Disassembly and Assembly of Fan ControlValve............................ 0 Removal and Installation of Fan Motor................................... 0 Structure of Fan Motor.................................................. 0 Removal and Installation of Pilot Pump.................................. 0 Group 16 Aftertreatment Device.............................................. 0 Removal and Installation of AftertreatmentDevice........................ 0 Group 17 Ride Control Valve and Accumulator................................. 0 Removal and Installation of Ride ControlValve and Accumulator........... 0 Disassembly of Ride Control Valve....................................... 0 Assembly of Ride Control Valve.......................................... 0 Group 18 Battery Disconnect Switch.......................................... 0 Removal of Battery Disconnect Switch.................................... 0 Installation of Battery Disconnect Switch............................... 0 Structure of Battery Box Mount.......................................... 0 SECTION 4 TRAVEL SYSTEM......................................................... 1 Group 1 Tire................................................................ 3 Removal and Installation of Front Tire.................................. 3 Removal and Installation of Rear Tire................................... 5 Group 2 Drive Unit.......................................................... 11 Removal and Installation of Torque Converter............................ 11 Disassembly and Assembly of TorqueConverter............................. 15 Disassembly and Assembly of Torque ConverterSub Assembly................ 24 Removal and Installation of Transmission................................ 31 Disassembly and Assembly of Transmission Assy........................... 41 Disassembly and Assembly of Clutch Assembly............................. 63 Disassembly and Assembly of Low and ThirdSpeed Clutch Assembly.......... 78 Disassembly and Assembly of Second SpeedClutch Assembly................. 81 Disassembly and Assembly of Reverse ClutchAssembly...................... 84 Disassembly and Assembly of First ClutchAssembly........................ 87 Disassembly and Assembly of High ClutchSpider Assembly.................. 93 Disassembly and Assembly of Gear Box Assembly........................... 99 Removal and Installation of TransmissionControl Valve...................103 Disassembly and Assembly of Transmission Control Valve..................107 Special Tools (For Transmission Assembly and Disassembly)...............109 Drawings for Special Tools..............................................110 Group 3 Axle................................................................115 Removal and Installation of Front Axle..................................115 Removal and Installation of Rear Axle...................................121 Disassembly of Axle.....................................................129 Assembly of Axle........................................................137 Disassembly and Assembly of Spider Assembly.............................148 Disassembly and Assembly of Internal GearHub Assembly...................150 Removal and Installation of Floating Seal...............................154 Removal and Installation of Differential................................157 Disassembly and Assembly of Differential................................163 Disassembly and Assembly of Parking BrakePiston Assembly................185 Special Tools For Axle Assembly.........................................187 Drawings for Special Tools..............................................188 Group 4 Propeller Shaft.....................................................195 Removal and Installation of Propeller Shaft.............................195 Group 5 Brake Valve.........................................................207 Removal and Installation of Brake Valve.................................207 Disassembly and Assembly of Brake ValveAssembly.........................211 Disassembly and Assembly of Brake Valve.................................217 Maintenance Standard....................................................221 Group 7 Steering Valve......................................................223 Removal and Installation of Steering Valve..............................223 Disassembly of Steering Valve...........................................227 Assembly of Steering Valve..............................................230 Group 8 Steering Cylinder...................................................233 Removal and Installation of Steering Cylinder...........................233 Disassembly of Steering Cylinder........................................239 Assembly of Steering Cylinder...........................................242 Removal and Installation of SteeringAccumulator.........................247 Tools for Steering Cylinder Disassembly andAssembly.....................249 Group 9 Emergency Steering Device...........................................253 Removal and Installation of EmergencySteering Pump......................253 Group 10 Reducing Valve.....................................................261 Removal and Installation of Reducing Valve..............................261 Disassembly of Reducing Valve...........................................263 Assembly of Reducing Valve..............................................265 Group 11 Stop Valve.........................................................267 Removal and Installation of Stop Valve..................................267 Disassembly of Stop Valve...............................................271 Assembly of Stop Valve..................................................272 Group 12 Main Pressure Block................................................273 Removal and Installation of Main Pressure Block.........................273 Structure of Main Pressure Block........................................275 Group 13 Priority Hammer Valve and Shuttle Valve............................277 Removal and Installation of Priority HammerValve and Shuttle Valve......277 Structure of Priority Hammer Valve andShuttle Valve.....................281 Group 14 Check Valve........................................................283 Removal and Installation of Check Valve.................................283 Structure of Check Valve................................................285 Group 15 Joystick Steering..................................................287 Removal and Installation of Joystick SteeringValve (with Sears Seat)....287 Disassembly and Assembly of JoystickSteering Valves.....................293 Removal and Installation of Joystick SteeringLever (with Sears Seat)....301 Disassembly of Joystick Steering Pilot Valve(for Hydraulic Type JSS)....309 Assembly of Joystick Steering Pilot Valve...............................313 Group 16 Axle Oil Cooler....................................................319 Removal and Installation of Axle Oil Cooler.............................319 Structure of Oil Cooler Assembly........................................331 Structure of Oil Cooler Pump Unit.......................................334 SECTION 5 FRONT ATTACHMENT......................................................339 Group 1 Front Attachment....................................................341 Removal and Installation of Front Attachment............................341 Removal and Installation of Lever (Bell Crank)..........................355 Removal and Installation of Bucket......................................369 Group 2 Cylinder............................................................377 Removal and Installation of Lift Arm Cylinder...........................377 Removal and Installation of Bucket Cylinder.............................385 Disassembly of Lift Arm Cylinder........................................397 Assembly of Lift Arm Cylinder...........................................401 Disassembly of Bucket Cylinder..........................................407 Assembly of Bucket Cylinder.............................................411 Tools for Cylinder Disassembly and Assembly.............................417 SERVICE MANUAL REVISION REQUEST FORM............................................423
Please Note:
- This is the SAME exact manual used by your dealers to fix your vehicle.
- The same can be yours in the next 2-3 mins as you will be directed to the download page immediately after paying for the manual.
- Any queries / doubts regarding your purchase, please feel free to contact [email protected]
