Hitachi ZW180 Technical Manual page 273

Pusher Stroke: Between A and B
1
3
(A)
Hole Part
Passage
Pusher Stroke: Between C and D
Hole Part
1 - Cam
2 - Pusher
COMPONENT OPERATION / Pilot Valve
2
4
5
Port T
6
Port P
7
T1LA-03-04-002
Output Port
5
Port T
Notch Part (B)
Port P
7
Output Port
T1LA-03-04-004
3 - Plate
4 - Spring Guide
Clearance of
Part A: 0
5 - Balance Spring
6 - Return Spring
T3-6-15
T1LA-03-04-003
7 - Spool