5-10t Internal Combustion Counterbalance Forklift Truck Operation & Maintenance Manual
4.4 Failure Removal ................................................................................................................................60
4.5 Maintenace Data................................................................................................................................61
5. Brake System........................................................................................................................................62
5.1 Overview.............................................................................................................................................63
5.2 Power Brake .......................................................................................................................................64
5.2.1 Brake Pedal Device .......................................................................................................................64
5.2.2 Brake Valve .....................................................................................................................................67
5.2.3 Energy Accumulator......................................................................................................................68
5.3 Vacuum Power Brake .......................................................................................................................70
5.3.1 Vacuum Booster and Brake Master Cylinder...........................................................................70
5.3.2 Method for Installation of Vacuum Booster and Brake Master Cylinder Assembly........73
5.3.3 User Notices....................................................................................................................................74
5.3.4 Failure and Cause Analysis..........................................................................................................74
5.4 Wheel Brake .......................................................................................................................................74
5.4.1 Wheel Brake (For 5-7t Trucks) ...................................................................................................75
5.4.2 Wheel Brake (For 8-10t Trucks).................................................................................................78
5.5 Parking Brake.....................................................................................................................................78
5.6 Failure Removal ................................................................................................................................81
6. Steering System....................................................................................................................................82
6.1 Steering Unit.......................................................................................................................................84
6.1.1 Overview..........................................................................................................................................84
6.1.2 Operating Principle........................................................................................................................85
6.1.3 Application Requirements............................................................................................................86
6.1.4 Examination and Maintenance of Steering Unit......................................................................87
6.1.5 Failure and Removal for Steering Unit......................................................................................89
6.2 Examination after Reassembly of Steering System: ..................................................................91
6.3 Failure Removal for Steering System ...........................................................................................93
6.4 Steering Axle ......................................................................................................................................93
6.4.1 Steering Axle Body........................................................................................................................93
6.4.2 Left-Right Steering Knuckle Assembly.....................................................................................93
6.4.3 Wheel Hub.......................................................................................................................................94
6.4.4 Steering Cylinder ...........................................................................................................................94
7. Hydraulic System ................................................................................................................................96
7.1 Overview.............................................................................................................................................97
7.2 Oil Pump .............................................................................................................................................97
7.3 Multi-way Valve ................................................................................................................................97
7.4 Operation of Multi-way Valve ........................................................................................................98
7.5 Work of Main Safety Valve .............................................................................................................99
7.6 Work of Tilt Auto-locking Valve ..................................................................................................100
7.7 Control Device of Multi-way Valve ............................................................................................100
7.8 Oil Tank.............................................................................................................................................100
7.9 Oil Circuit of Hydraulic System...................................................................................................101
7.10 Maintenance ...................................................................................................................................104
7.10.1 Disassembly of Multi-way Valve ...........................................................................................104
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