Service Manual

Introduction
7-4 627333-A
FIG. 5: Hydraulic oil tank (1) is located behind the Cab.
The hydraulic tank is filled with 200 L (52.8 gall).
Hydraulic oil is drawn out of tank by gear pump through
suction strainer. Oil from application system is returned
into tank through filter on top of the tank.
FIG. 6: Hydraulic oil pump (2) is mounted on the left
PTO of the gearbox.
The hydraulic pump is a displacement gear pump. The
pump draws oil from the reservoir and sends oil flow to
the priority valve.
FIG. 7: The priority valve (3) is mounted underneath
the Cab.
The priority valve direct hydraulic flow between the
steering system and the application systems, including
the pressure washer if equipped. A load sense signal
from the steering unit shift the valve to allow hydraulic
flow to exit the control flow (CF) port. If there is no load
sense signal, the priority valve shifts to allow hydraulic
flow to exit the excess flow (EF) port.
FIG. 5
Q000092S
1
FIG. 6
2
q000139s
FIG. 7
q000094s
3