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Control Valve Lower Body

Control Valve Lower Body

AT-277 Components (Part 1):




AT-277 Components (Part 2):





DISASSEMBLY





Remove valves at retainer plate.
For removal procedures, refer to AT-272, "Control Valve Upper Body". Control Valve Upper Body

INSPECTION

Valve Springs





^ Check each valve spring for damage or deformation. Also measure free length and outer diameter. Refer to AT-343, "Control Valves". Control Valves
^ Replace valve springs if deformed or fatigued.

Control Valves
Check sliding surfaces of control valves, sleeves and plugs for damage. Replace if necessary.

ASSEMBLY

CAUTION:





^ Apply ATF to all components before installation.
^ Lay control valve body down when installing valves. Do not stand control valve body upright.






Install control valves.
For installation procedures, refer to AT-272, "Control Valve Upper Body". Control Valve Upper Body

Retainer Plate (Control Valve Lower Body)
Install proper retainer plates. Refer to "COMPONENTS".