Hitachi ZW180 Technical Manual page 235

COMPONENT OPERATION / Hydraulic Fan Motor
*
Section B-B
*
Section A-A
1
2 3
1 - Shaft
2 - Thrust Plate
3 - Piston
*: Refer to T3-3-1.
5 6
4
4 - Cylinder Block
5 - Center Spring
6 - Valve Pｌａｔｅ
*
Section C-C
7 8
12
7 - Flow Rate Adjustment
Solenoid Valve
8 - Flow Rate Control Valve
9 - Relief Valve
T3-3-3
9
10
11
T4GB-03-03-002
10 - Reverse Rotation Control
Solenoid Valve
11 - Reverse Rotation Spool
12 - Flow Rate Control Valve
Spring