Hitachi ZW180 Technical Manual page 188

Group 7 Charging Block
Outline .....................................................T3-7-1
Priority Valve ............................................T3-7-6
Pilot Relief Valve ......................................T3-7-7
Pump Torque Control Proportional
Solenoid Valve ......................................T3-7-8
Service Brake Accumulator /
Pilot Accumulator ..................................T3-7-9
Parking Brake Solenoid Valve ................T3-7-10
Service Brake Pressure Sensor..............T3-7-12
Parking Brake Pressure Sensor .............T3-7-12
Group 8 Ride Control Valve
Outline .....................................................T3-8-1
Operation .................................................T3-8-4
Charge-Cut Spool.....................................T3-8-6
Overload Relief Valve ...............................T3-8-8
Ride Control Accumlator .........................T3-8-10
Drain Plug .............................................. T3-8-11
Group 9 Drive Unit
Outline .....................................................T3-9-1
Torque Converter .....................................T3-9-2
Transmission............................................T3-9-4
Transmisson Regulator Valve .................T3-9-26
Transmission Control Valve ....................T3-9-28
Manual Spool
(Emergency Travel Spool) ...................T3-9-36
Proportional Solenoid Valve....................T3-9-38
Parking Brake ........................................T3-9-40
Group 10 Axle
Outline ...................................................T3-10-1
Differential..............................................T3-10-2
Torque Proportioning Differential (TPD) ..T3-10-6
Limited Slip Differential (LSD)
(Optional)............................................T3-10-8
Service Brake....................................... T3-10-10
Final Drive / Axle Shaft ......................... T3-10-12
Group 11 Brake Valve
Outline ................................................... T3-11-1
Operation ............................................... T3-11-4
Group 12 Others
Pilot Shut-Off Valve ................................T3-12-1
Propeller Shaft .......................................T3-12-2
Emergency Steering Check Block ...........T3-12-3
Emergency Steering Pump (Optional) .....T3-12-4
4GDT-3-2