Lower Control Valve Body
Control Valve Lower Body
DISASSEMBLY
1. Remove valves at parallel pins.
2. Remove valves at retainer plates.
For removal procedures, refer to "DISASSEMBLY" of Control Valve Upper Body. Upper Control Valve Body
INSPECTION
Valve springs
- Check each valve spring for damage or deformation. Also measure ree length and outer diameter.
- Numbers of each valve spring listed in table below are the same as hose in the figure on AT-140.
- Replace valve springs if deformed or fatigued.
Control valves
- Check sliding surfaces of control valves, sleeves and plugs for damage.
ASSEMBLY
- Install control valves.
For installation procedures, refer to "ASSEMBLY" of Control Valve Upper Body. Upper Control Valve Body