Control Valve Lower Body

Control Valve Lower Body - RL4F03A:

DISASSEMBLY




1. Remove valves at retainer plate.

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.

- 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.

Retainer Plate:

Retainer plate