Control Valve Upper Body

Control Valve Upper Body:

COMPONENTS

DISASSEMBLY




1. Remove valves at retainer plates.
- Do not use a magnetic "hand".




a. Use a screwdriver to pry out retainer plates.




b. Remove retainer plates while holding spring, plugs or sleeves.
- Remove plugs slowly to prevent Internal parts from jumping out.




c. Place mating surface of valve body face down, and remove internal parts.
- if a valve is hard to remove, place valve body face down and lightly tap It with a soft hammer.
- Be careful not to drop or damage valves and sleeves.

INSPECTION
Valve spring

Control Valve Upper Body:

- Measure free length and outer diameter of each valve spring. Also check for damage or deformation.
- Numbers of each valve spring listed in table above are the same as those in the figure.

Inspection standard: Refer to Specifications and Adjustments. Specifications

- Replace valve springs if deformed or fatigued.

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

ASSEMBLY




- Lay control valve body down when installing valves. Do not stand the control valve body upright.

1. Lubricate the control valve body and all valves with A.T.F. Install control valves by sliding them carefully into their bores.




- Be careful not to scratch or damage valve body.




- Wrap a small screwdriver with vinyl tape and use it to insert the valves into their proper positions.

1-2 accumulator valve




- Install 1-2 accumulator valve and then align 1-2 accumulator retainer plate with 1-2 accumulator valve from opposite side of control valve body.
- Install return spring, 1-2 accumulator piston and plug.

2. Install retainer plates




- Install retainer plate while pushing plug or return spring.

Retainer Plate:

- Install proper retainer plates.