Hyundai HX145LCR Manual page 133

• High speed
When pilot pressure signal Pi is activated on spool (35), the spool moves to left hand end, and high
pressure oil from Port
pressure transferred to chamber B lift the piston (7) up, then the swash plate (9) tilts to smaller
angle, and the motor rotates higher speed.
Shuttle valve
1
Chamber B
7
or is transferred to S1 which is connected to chamber A. The high
a
9
2-81
High pressure
b
Fluid
a
Pressure
shift line
P
b
S1
Pilot port A
35
36
2 speed
control
valve (On)
(Pi=40)
145Z9A2TM14