Specifications
Vehicle System Index 3
Index
Specification
Hydraulic Control Valve........................................ 5
Hydraulic Pump................................................ 6
Lift Cylinders........................................................ 6
Full Free Triple Lift and Full Free Lift Primary.... 7
Full Free Triple Lift and Full Free Lift Secondary7
Lift Secondary .................................................. 7
Tilt Cylinder ...................................................... 8
Tilt Cylinder ...................................................... 8
Mast .................................................................... 9
Carriage............................................................... 9
Lift Relay Group..................................................10
Standard Lift....................................................10
Full Free Lift ....................................................11
Full Free Triple ................................................12
Quad Lift .........................................................13
Lift & Tilt Mounting Group....................................14
Steering Wheel................................................15
Steering Gear .....................................................16
Steer Axle and Wheel .........................................17
Steer Tire Installation..........................................18
(GC Models Only) ...............................................18
Steer Wheel Mounting.........................................18
Oil Cooled Disc Brake.........................................18
Parking Brake.....................................................19
System Operation
Hydraulic Schematic...........................................20
Control Valve......................................................22
External Configuration.....................................22
Hydraulic Circuit..............................................22
Inlet Block - Key On.........................................23
Lift Spool Neutral Position - Solenoid and Key Off
.......................................................................23
Lift Spool Neutral Position - Solenoid and Key On
.......................................................................24
Lift Spool - Positioned to Lift............................24
Lift Spool - Positioned to Lower .......................25
Tilt Spool - Positioned for Forward Tilt .............25
Tilt Spool - Positioned for Backward Tilt...........26
Auxiliary Spool - Positioned for Left Hand Shifting
.......................................................................26
Auxiliary Spool - Positioned for Right Hand
Shifting............................................................27
Pressure and Flow Control Section..................27
Flow Control Adjustment - Tilt and Auxiliary.....28
STEERING SYSTEM..........................................29
Hydraulic Schematic........................................29
Steering Cylinder.............................................30
Steering Gear..................................................31
Brake Power Master Cylinder .............................33
Oil Cooled Disc Brake.....................................35
Parking Brake .................................................35
Delayed Engine Shutdown System.....................36
Operation........................................................36
Diagram of Delayed Engine Shutdown System 37
Trouble shooting of Delayed Engine Shutdown
System............................................................38
Diagnostic Fault Codes ...................................38
Delayed Engine Shutdown System Schematic.39
OSS (Operator Sensing System)........................42
Operation........................................................43
Symbols of OSS..............................................43
Operator Sensing System Schematic ..............44
Trouble shooting of Operator Sensing System.45