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Hitachi ZW 550-G Technical Manual page 15

Wheel loader

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Function & Structure Operator Station Group ....................................................................................................... 72-1
Cabin ................................................................................................................................................................. 72-2
Glass ........................................................................................................................................................... 72-4
Wiper mount ................................................................................................................................................ 72-7
Wiper motor ................................................................................................................................................ 72-8
Operator Seat ................................................................................................................................................. 72-10
Steering and Transmission Shift Lever ............................................................................................................72-11
Tilt case ..................................................................................................................................................... 72-12
Column shaft ............................................................................................................................................. 72-13
Shift lever .................................................................................................................................................. 72-13
Air Conditioner ................................................................................................................................................ 72-14
Air conditioner components ...................................................................................................................... 72-14
Air conditioner structure ............................................................................................................................ 72-15
Cooling mechanism .................................................................................................................................. 72-20
Cooling circuit ........................................................................................................................................... 72-22
Electrical circuit ......................................................................................................................................... 72-23
Air conditioner functions of components ................................................................................................... 72-24
Charge of refrigerant ................................................................................................................................. 72-51
Air conditioner troubleshooting ................................................................................................................. 72-66
Check & Adjustment Operator Station Group ....................................................................................................... 73-1
Air Conditioner .................................................................................................................................................. 73-2
Adjustment of lubricating oil quantity when components of air conditioner are replaced ............................ 73-2
Adjustment of air gap (between hub and rotor) in compressor magnetic clutch ......................................... 73-5
Parts to be replaced periodically ................................................................................................................. 73-6
Cross-section drawing & Diagrams ....................................................................................................................... 92-1
Axle Assembly .................................................................................................................................................. 92-2
Torque Converter and Transmission ................................................................................................................. 92-3
Loading/Steering Hydraulic Line (S/N 0101~0120) ........................................................................................... 92-4
Loading/Steering Hydraulic Circuit (S/N 0121~) ............................................................................................... 92-5
Loading/Steering Hydraulic Circuit (S/N 9001~9010) ....................................................................................... 92-6
Loading/Steering Hydraulic Circuit (S/N 9011~) ................................................................................................ 92-7
Brake Circuit ..................................................................................................................................................... 92-8

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