ZEST BOLT Service Manual

Automated Manual Transmission Contents Introduction: ........................................................................................................................... 1 System Components: ............................................................................................................... 2 Power Unit (1): .................................................................................................................... 3 1. Electric Pump:.................................................................................................................. 3 2. Pressure Accumulator: ..................................................................................................... 3 3. Oil Reservoir: ................................................................................................................... 4 Electro hydraulic Unit (2): .................................................................................................... 4 Hydraulic Diagram:................................................................................................................... 5 Electrical Components Of The Hydraulic Unit:........................................................................... 6 Proportional Pressure Solenoid Valve: ................................................................................. 6 On-Off Solenoid Valves for Controlling The Position Selection Actuator: .............................. 7 Proportional Flow Rate Solenoid Valve: ............................................................................... 7 Electrical Wiring:...................................................................................................................... 9 Line Pressure Sensor:......................................................................................................... 10 Clutch Rpm Sensors: .......................................................................................................... 10 Engagement and Selection Position Sensors:...................................................................... 10 CSC Clutch Actuator: .......................................................................................................... 10 PLCD Clutch Position Sensor: ............................................................................................. 11 Mechanical Components of the Unit: ................................................................................. 13 Gear Engagement and Selection Shaft:............................................................................... 13 Electronic Control Unit: ..................................................................................................... 13 System Input Signals:......................................................................................................... 16 User Interfaces – System: ....................................................................................................... 16 System Operation (In the Absence Of Faults): .................................................................... 17 Pressurisation of the Hydraulic Circuit: .............................................................................. 17 Automatic Engagement of the Clutch Downhill With the Accelerator Pedal: ....................... 17 Released: .......................................................................................................................... 17 Vehicle Slowdown ............................................................................................................. 17 Turning Off the Engine and System: ................................................................................... 17