4-107
4
PILOT VALVE (TRAVEL)
DISASSEMBLY AND ASSEMBLY
Special tools
(for bush removal)
Disassembly
1. Wash the pilot valve with detergent.
• Cover each port with a blank plug.
2. Insert a cushion plate between the pilot valve and the
vise, and then secure the pilot valve.
Remove the bellows from the cover by pulling it up-
war
d.
3. Loosen the hexagon setscrew with a hexagon
wrench.
• Exercise caution, as the torque required for loosen-
ing is large.
4. Apply a steel bar (dia., 7 mm or less) to one end of the
cam shaft and tap it lightly with a hammer.