12-28 DF9.9T/TH “K8” (’08) MODEL
OPERATION
COMPONENT PARTS
* When the manual valve is to be opened, turn the manual release valve to the left about two turns.
* When the oil level of the system should be checked, inspect by placing the motor in the maximum tilt up position.
PRINCIPLES OF OPERATION
By motor operation, the geared pump will be driven, and by turning the motor to the right or to the left, oil
flow will change its direction, and this causes up and down movements of the piston rod of the tilt cylinder.
Tilt rod
PT cylinder
Down check valve
Up relief valve
PT motor
Filter
Down relief valve
Manual valve
Check valve
Check valve
Oil reservoir
Gear pump
Impact relief valve
Up check valve
Spool valve
Tilt piston
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