Hyundai HX145 LCR, Manual

Page: 133 / 702

2-81
Chamber B
9
7
b
a
35
36
2
P
Shuttle valve
a b
High pressure
Fluid
Pressure
shift line
2 speed
control
valve (On)
(Pi=40)
1
Pilot port A
S1
145Z9A2TM14
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
ͽ
or
;
is transferred to S1 which is connected to chamber A. The high
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.
•