Doosan D25G User Manual

Vehicle System Index 3
Index
Specification.................................. 5
Hydraulic Control Valve.........................................5
Hydraulic Pump ....................................................6
Lift Cylinder...........................................................6
Standard........................................................6
Full Free Triple and Full Free Lift....................7
Tilt Cylinder...........................................................8
Mast .....................................................................9
Carriage................................................................9
Lift Relay Group - Full Free Lift ...........................11
Lift Relay Group - Full Free Triple Lift..................12
Lift & Tilt Mounting Group....................................13
Steering Wheel ...................................................14
Steering Gear .....................................................15
Steer Axle and Wheel .........................................16
Steer Wheel Mounting.........................................17
Shoe Brake.........................................................17
System Operation ....................... 18
Hydraulic System................................................18
Basic Schematic - Standard.........................18
Optional Schematic with hyd. locking system ...20
Hydraulic Control Valve................................22
Steering System .................................................27
Steering Cylinder .........................................27
Steering Gear ..............................................28
Brake System .....................................................30
Master Cylinder............................................30
Shoe Type Brake.........................................31
Automatic Adjustment..................................31
Parking Brake..............................................31
Testing and Adjusting................ 32
Troubleshooting ..................................................32
Visual Checks ..............................................32
Performance Tests.......................................32
Hydraulic Oil Temperature (Too Hot)............32
Hydraulic System and Mast..........................33
Hydraulic Pump............................................36
Hydraulic Control Valve................................37
Steering System...........................................38
Brake System...............................................39
Parking Brake...............................................40
Hydraulic System................................................41
Relief Valve Pressure Check........................41
Lift Cylinder Air Removal (Only FFT & FFL
Mast)............................................................43
Delayed Engine Shutdown System......................44
Operation .....................................................44
Diagram of Delayed Engine Shutdown System
....................................................................45
Trouble shooting of Delayed Engine Shutdown
System.........................................................46
Diagnostic Fault Codes ................................46
Delayed Engine Shutdown System Schematic
....................................................................47
Delayed Engine Shutdown System Schematic
....................................................................47
Delayed Engine Shutdown System Schematic
....................................................................48
OSS (Operator Sensing System).........................49
Operation .....................................................49
Symbols of OSS...........................................49
Operator Sensing System Schematic ...........50
Trouble shooting of Operator Sensing System
....................................................................51
Mast and Carriage...............................................53
Mast Adjustment...........................................53
Carriage Adjustment.....................................58
Chain Adjustment.........................................59
Chain Wear Test ..........................................60
Carriage and Mast Height Adjustment ..........61
Forks Parallel Check ....................................61

Doosan D25G Specifications

General

Brand	Doosan
Model	D25G
Category	Forklifts
Language	English