COMPONENT OPERATION / Steering Valve Right Steering
Neutral
When the steering wheel is rotated to the right, pressure oil from the main pump flows in the order of port P - port R – the steering cylinders, operates the steering cylinders, and directs the machine to the right. Returning oil from the steering cylinders flows in the order of port L - port T and returns to the hydraulic oil tank.
When the steering wheel is not rotated, pressure oil from the main pump acts on port P in the steering valve. However, pressure oil does not flow to the steering cylinders as they are blocked by spool (4). Therefore, the steering cylinders are not operated.
Right Steering: T
L
R
P
T4FG-03-03-002
In Neutral: T
P
4
T4FG-03-03-003
T3-3-5
