THEORY OF OPERATION - CONTINUED
STEERING SYSTEM - CONTINUED
As swashplate angle decreases, pump output also decreases. When pump pressure is low enough, com-
bined force of signal oil pressure in pressure compensator cavity and of pressure compensator spring
causes pressure compensator spool to move downward into position B.
When pressure compensator spool moves down, flow of pump output oil into pressure compensator pas-
sage is blocked. Oil in actuator piston passage flows from actuator piston past flow compensator spool,
then returns to case drain.