Spool Valve: Disassembly
- Remove lock nut.
- Remove adjuster nut with Spanner Wrench (C-4381).
- Remove thrust support assembly out of the housing.
- Pull stub shaft and valve assembly from the housing.
- Remove stub shaft from valve assembly by lightly tapping shaft on a block of wood to loosen shaft. Then disengage stub shaft pin from hole in spool valve and separate the valve assembly from stub shaft.
- Remove spool valve from valve body by pulling and rotating the spool valve from the valve body.
- Remove spool valve O-ring and valve body teflon rings and O-rings underneath the teflon rings.
- Remove the O-ring between the worm shaft and the stub shaft.