Control Valve Lower Body.

COMPONENTS




DISASSEMBLY
1. Remove valves at retainer plate.
For removal procedures, refer to AT-213.ZZZZ




Throttle valve
- Remove throttle valve at E-ring.




INSPECTION

Valve springs
- Check each valve spring for damage or deformation. Also measure free length and outer diameter.
Inspection standard: Refer to SDS, AT-301.ZZZZ
- Replace valve springs if deformed or fatigued.

Control valves
- Check sliding surfaces of control valves, sleeves and plugs for damage.

ASSEMBLY




Throttle valve
- Insert throttle valve to control valve body and then install E-ring to throttle valve.




Pressure regulator valve
- Install pressure regulator valve after assembling sleeve plug, plug A and plug B.

3 - 4 shift valve and 2 - 3 shift valve




- Install 3 - 4 shift valve and 2 - 3 shift valve after fixing plugs to retainer plates on the opposite side.




- Install control valves.
For installation procedures, refer to AT-214.ZZZZ

Retainer Plate:

- Install proper retainer plates