Subaru 2002 Impreza Service Manual page 359

POWER STEERING SYSTEM
Power Assisted
System
(Power Steering)
0
When the pump begins to rotate, pressure P increases, causing the valve spool to move to
the right. If the pump is operating in the A-to-B speed range, the fluid delivered by the pump
is sent to the gear box in its whole amount through orifice 1.
Pump speed range: A to B
r
(4)
4
J
I
NF0448
(1) Oil reservoir tank
(2) Valve spool
(3) Orifice 1
(4) To gear box
PS-15