Hitachi ZW550-G Wheel Loader WNHD-E-00 (Preview)
WNHD-E-00
Foreword
Machine Specification
Safety precautions
Safety Symbols
CONTENTS
00 General Information
Symbols
Weight of Main Components
Bolt Tightening Torque
Hose Band Tightening Torque
Liquid Gasket and Screw Lock Agent
Cautions regarding parts removal
Cautions regarding reassembly
Screw lock agent application procedure
How to wind a seal tape
Cautions Regarding Welding Repair Service
Cautions Regarding Handling of Bearing
Bearing installation cautions
Interference fits for a bearing
Bearing operation test after installation
Bearing removal cautions
Applying and Storing Articulation Stopper
Applying articulation stopper
Storing articulation stopper
14 Disassembly & Reassembly Chassis Group
Deck
Deck removing and installing
Deck removing
Deck installing
Fuel Tank
Fuel tank removing and installing
Fuel tank removing
Fuel tank installing
Fuel tank installation cautions
Hydraulic Tank
Hydraulic tank removing and installing
Hydraulic tank removing
Hydraulic tank installing
Hydraulic tank installation cautions
Engine Room
Engine room removing and installing
Engine room removing
Engine room installing
ROPS and Cab
ROPS removing and installing
ROPS removing
ROPS installing
Cab removing and installing
Cab removing
Cab installing
Floor Board
Floor board removing and installing
Floor board removing
Floor board installing
Floor board installation cautions
Boom
Boom removing and installing
Boom removing
Boom installing
Boom installation cautions
Center Pin
Upper center pin
Center pin shim adjustment
Lower center pin
Center pin removing and installing
Center pin removing
Center pin installing
Center pin installation cautions
15 Service Standard Chassis Group
Linkage
Linkage Pin Standard Clearance Values
Liner clearance adjustment
Center Pin
Center pin shim adjustment
Grease nipple installing
Bearing assy installing
Bucket Positioner and Boom Kick-Out
Bucket positioner
Attachment leveler adjustable angle
Boom kick-out
Boom kick-out hoist angle
24 Disassembly & Reassembly Power Group
Power Line
Power line tightening torque
Radiator
Radiator tightening torque
Radiator removing and installing
Radiator removing
Radiator installing
Radiator installation cautions
Fan
Fan removing and installing
Fan removing
Fan installing
Fan installation cautions
Engine
Engine removing and installing
Engine removing
Engine installing
Engine installation cautions
Propeller Shaft
Propeller shaft removing and installing
Second propeller shaft removing
First propeller shaft removing
Third propeller shaft removing
Propeller shaft installing
Propeller shaft installation cautions
Air Cleaner
Air cleaner removing and installing
Air cleaner removing
Air cleaner installing
Air cleaner installation cautions
Muffler
Muffler removing and installing
Muffler removing
Muffler installing
Muffler installation cautions
Front Axle Assembly
Front axle assembly tightening torque
Axle nut tightening procedure
Floating seal installation
Front axle assembly removing and installing
Front axle assembly removing
Front axle assembly installing
Front axle assembly installation cautions
Brake air bleeding procedure
Front axle disassembling and assembling
Front axle disassembling
Front axle assembling
Front axle assembly cautions
Floating seal installation
Wheel hub installation
Internal gear hub installation
Axle nut tightening
Brake adjustment
Brake disc installation
Internal Gear Hub
Internal gear hub disassembling and assembling
Internal gear hub disassembling
Internal gear hub assembling
Internal gear hub assembly cautions
Spider Assembly
Spider assembly disassembling and assembling
Spider assembly disassembling
Spider assembly assembling
Spider assy assembly cautions
Special Tool
Special tool for axle
Rear Axle Assembly
Rear axle assembly tightening torque
Axle nut tightening procedure
Floating seal installation
Rear axle assembly removing and installing
Rear axle assembly removing
Rear axle assembly installing
Rear axle disassembling and assembling
Axle Support
Axle support tightening torque
Axle support disassembling and assembling
Axle support disassembling (S/N 0101~0140, 9001~9020)
Axle support assembling
Axle support assembly cautions
Axle support disassembling and assembling
Axle support disassembling
Axle support assembling
Axle support assembly cautions
Differential Assembly
Differential assembly removing and installing
Differential assembly removing
Differential assembly installing
Differential assembly installation cautions
Differential assembly disassembling and assembling
Front differential tightening torque
Rear differential tightening torque
Differential assembly disassembling
25 Service Standard Power Group
Propeller Shaft Service Standard
Axle and Differential Service Standard
Axle group
Differential
34 Disassembly & Reassembly Torque Converter and Transmission Group
Torque Converter
Torque converter removing and installing
Torque converter removing
Torque converter installing
Torque converter installation cautions
Torque converter bolt tightening torque
Torque converter disassembling and assembling
Torque converter disassembling
Torque converter assembling
Cautions regarding reassembling
Transmission
Transmission removing and installing
Transmission removing
Transmission installing
Transmission installation cautions
Transmission bolt tightening torque
Transmission disassembling and assembling
Transmission disassembling
Transmission assembling
Cautions regarding reassembling
Clutch Assembly
Clutch assembly disassembling and assembling
Clutch assembly disassembling
Clutch assembly assembling
Clutch Spider Assembly
Transmission low/3rd speed clutch spider disassembling and assembling
Transmission low/3rd speed clutch spider disassembling
Transmission low/3rd speed clutch spider assembling
Transmission 1st and 2nd speed clutch spider disassembling and assembling
Transmission 1st and 2nd speed clutch spider disassembling
Transmission 1st and 2nd speed clutch spider assembling
Reverse Clutch Spider
Transmission reverse clutch spider disassembling and assembling
Transmission reverse clutch spider disassembling
Transmission reverse clutch spider assembling
Transmission 1st Clutch Assembly
Transmission 1st speed clutch assy disassembling and assembling
Transmission 1st speed clutch assy disassembling
Transmission 1st speed clutch assy assembling
Transmission High Clutch Assembly
Transmission high clutch assy disassembling and assembling
Transmission high clutch assy disassembling
Transmission high clutch assy assembling
Modulator Valve Assembly
Removing and reinstalling modulator valve
Removing modulator valve assembly
Reinstalling modulator valve assembly
Control Valve Assembly
Control valve removing and installing
Control valve removing
Removing solenoid valve assembly
Control valve and solenoid valve installing
35 Service Standard Torque Converter and Transmission Group
Transmission Assembly
Torque Converter Gear Pump
Gear pump specifications
Gear Train and Number of Teeth
Clutch specifications
Clutch Oil Pressure
44 Disassembly & Reassembly Hydraulic Group
Hydraulic Parts Removal and Installation Warning
Hydraulic Parts Disassembly and Assembly Cautions
Hydraulic parts disassembly cautions
Hydraulic parts assembly cautions
Hydraulic Pump Assembly
Hydraulic pump assy removing and installing
Hydraulic pump assy removing
Hydraulic pump assy installing
Hydraulic pump assy installation cautions
Hydraulic pump assy disassembling and assembling
Hydraulic pump assy cross section and tightening torque
Oil seal replacement procedure
Hydraulic pump disassembling
Hydraulic pump assembling
Hydraulic pump assembly cautions
Hydraulic Cylinder
Boom cylinder removing and installing
Boom cylinder removing
Boom cylinder installing
Boom cylinder installation cautions
Bucket cylinder removing and installing
Bucket cylinder removing
Bucket cylinder installing
Bucket cylinder installation cautions
Steering cylinder removing and installing
Steering cylinder removing
Steering cylinder installing
Steering cylinder installation cautions
Hydraulic cylinder disassembling and assembling
Hydraulic cylinder cross section and tightening torque
Hydraulic cylinder disassembling
Hydraulic cylinder assembling
Hydraulic cylinder assembly cautions
Pilot Valve
Pilot valve removing and installing
Pilot valve removing
Pilot valve removing (S/N ~0140, ~9020)
Pilot valve removing (S/N 0141~, 9021~)
Pilot valve installing
Pilot valve installation cautions
Pilot valve disassembling and assembling
Pilot valve cross section and tightening torque
Pilot valve disassembling (S/N 0101~0140, 9001~9020)
Pilot valve assembling
Pilot valve assembly cautions
Pilot valve disassembling (S/N 0141~0176, 9021~)
Pilot valve assembling
Pilot valve assembly cautions
Pilot valve disassembling (S/N 0177~)
Pilot valve assembling
Pilot valve assembly cautions
Multiple Control Valve
Multiple control valve removing and installing
Multiple control valve removing
Multiple control valve installing
Multiple control valve installation cautions
Multiple control valve disassembling and assembling
Multiple control valve cross section and tightening torque
Multiple control valve disassembling
Multiple control valve assembling
Multiple control valve assembly cautions
Orbitrol®
Orbitrol® removing and installing
Orbitrol® removing
Orbitrol® installing
Orbitrol® installation cautions
Orbitrol® disassembling and assembling
Orbitrol® cross section and tightening torque
Orbitrol® disassembling
Orbitrol® assembling
Steering Valve
Steering valve removing and installing
Steering valve removing
Steering valve installing
Steering valve installation cautions
Steering valve disassembling and assembling
Steering valve cross section and tightening torque
Steering valve disassembling
Steering valve assembling
Stop Valve
Stop valve removing and installing
Stop valve removing
Stop valve installing
Stop valve installation cautions
Stop valve disassembling and assembling
Stop valve cross section and tightening torque
Stop valve disassembling
Stop valve assembling
Fan Motor
Fan motor removing and installing
Fan motor removing
Fan motor installing
45 Service Standard Hydraulic Group
Hydraulic Cylinder
Pilot Valve
Steering Valve
54 Disassembly & Reassembly Brake Group
Unloader Valve
Unloader valve removing and installing
Unloader valve removing
Unloader valve installing
Unloader valve installation cautions
Unloader valve disassembling and assembling
Unloader valve cross section and tightening torque
Unloader valve disassembling
Unloader valve assembling
Manifold Valve Assembly
Valve assembly removing and installing
Valve assembly removing
Valve assembly installing
Valve assembly installation cautions
Valve assembly disassembling and assembling
Accumulator
Accumulator removing and installing
Accumulator removing
Accumulator installing
Accumulator installation cautions
Accumulator disassembling and assembling
Accumulator disassembling
Accumulator assembling
Nitrogen gas charging
Nitrogen gas charging procedure
Brake Valve
Brake valve removing and installing
Brake valve removing
Brake valve installing
Brake valve installation cautions
Brake valve cross section and tightening torque (main valve)
Brake valve disassembling
Brake valve assembling
Service Brake
Service brake disassembling and assembling
Service brake installation cautions
Parking Brake Actuator
Parking brake actuator removing and installing
Parking brake actuator removing
Parking brake actuator installing
Parking brake adjusting procedure
Parking brake actuator disassembling and assembling
Parking brake actuator cross section and tightening torque
Parking brake actuator disassembling
Parking brake actuator assembling
Parking Brake Assembly
Parking brake assembly removing and installing
Parking brake assembly removing
Parking brake assembly reinstalling
Parking brake assembly disassembling and assembling
Parking brake assembly cross section and tightening torque
Parking brake cross section and tightening torque
Parking brake assembly disassembling
Parking brake assembly assembling
55 Service Standard Brake Group
Brake Valve
Service Brake
Parking Brake
74 Disassembly & Reassembly Operator Station Group
Air Conditioner
Air conditioner removing and installing
Air conditioner removing
Air conditioner installing
Air conditioner disassembling and assembling
Air conditioner tightening torque
Air conditioner disassembling
Air conditioner assembling
Compressor V-belt
Compressor V-belt adjustment procedure
75 Service Standard Operator Station Group
Air Conditioner
Periodical Inspection/Servicing
Tightening Torque
Tightening torque for hose and pipes
Tightening torque for screws and bolts in special control regions
INDEX
Maintenance Log
Notes
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