7-10
OIL CONTROL VALVE
■ General
Mast control valves are provided anew.
They are as follows:
• A check valve and a solenoid valve are installed in the tilt circuit to control mast tilting operation.
• A check valve and a solenoid valve are installed in the lift circuit, and a key-lift interlock function is
added to prevent the fork from lowering when the lift lever is erroneously moved to the down side while
the key is in the OFF position.
• The check valves in the lift and tilt circuits greatly reduce natural drop and natural forward tilt.
■ Appearance
The newly installed check valve for locking the lift circuit enables lowering when unlocked at key
ON. The tilt circuit locking check valve is unlocked to enable tilting only when the tilt lever is
operated in the forward tilt direction with the key switch in the ON position.
■ Specifications
Unit: MPa (kgf/cm
2
) [psi]
Relief pressure
Lift 17.2 (175) [246]
Tilt 13.7 (140) [195]
Forward tilt switch
Backward tilt switch
Lift look release bolt
Lift solenoid
Tilt solenoid
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