Yanmar ViO12-2A, Service Manual

Page: 223 / 409

6. HYDRAULIC SYSTEM
6-
8
-
3
4. Disassembly and reassembly
1) Precautions for disassembly and reassembly
(1)
Be careful not to damage O-rings or other parts during disassembly and keep the disassembled parts with
due care.
(2)
Replace any damaged O-rings with new ones
(3)
Be sure to install all parts in the correct orientation.
(4)
Perform reassembly in the reverse order of disassembly. In addition, be careful not to allow foreign
substances such as dirt to enter the valve during reassembly.
2
)
Disassembly and reassembly of the solenoid valve
(1)
Remove the hexagon nut of solenoid 11 and remove the coil.
(Tool: 19 mm wrench)
(
2
)
Remove the tube, being careful not to damage the edges of its hexagonal portion.
(Tool: 21 mm wrench)
(
3
)
Remove spool 2 and spring 7 .
Note:
To reassemble the solenoid valve, follow the above steps in reverse order. In addition, be careful not to damage the
edges of its hexagonal portion when tightening the tube.