Control Valve Lower Body
CONTROL VALVE LOWER BODYDISASSEMBLY
1. Remove valves at retainer plate.
For removal procedures, refer to "DISASSEMBLY" in "Control Valve Upper Body".
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.
- Numbers for each valve spring listed in the table below are the same as those in the figure at top.
Inspection Standard: RL4F03A (GA Engine Models):
Inspection Standard: RL4F03V (SR Engine Models):
- 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 "ASSEMBLY in "Control Valve Upper Body."
Retainer Plate
Retainer Plate:
- Install proper retainer plates.