HYDRAULIC SYSTEM
6-49
D569-W02 May-2003
Oil Flow
1. If the engine starts and the hydraulic pump turns,
oil in T/M case is absorbed and delivered compul-
sorily to the steering controller via the priority valve.
2. This valve protects the hydraulic circuit by govern-
ing the maximum pressure (approx. 120 kgf/cm², 1,
707 psi) of the steering circuit delivered to the steer-
ing valve.
(1) Gear Pump
(2) Priority Valve
(3) Power Steering Unit
(4) Hydraulic Hose (RH)
(5) Hydraulic Hose (LH)
(6) Steering Cylinder
(7) Hydraulic Block
(8) Power Lift Ass’y
3. The steering valve controls the direction of the front
wheels by switching over the oil flow delivered by
operation of the steering wheel and by moving the
rod of the steering cylinder.
569W661A
(9) Control Valve
(10) Filter
(11) PTO Clutch Valve
(12) Transmission Case
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