Disassembly (A-540E)
- Remove No. 1 and No. 2 solenoids. See Fig 1. DO NOT use a screwdriver to pry up solenoid(s). Remove lock-up solenoid. Remove "O" ring(s) from solenoid(s).
- Remove OD brake accumulator assembly. Remove check ball on No. 1 plate. Applying compressed air to accumulator cylinder hole, remove piston and spring. Remove 2 "O" rings from piston.
- Remove bolts from upper valve body and cover. Note bolt length and location for reassembly reference. Remove upper valve body cover, oil strainer, gaskets and plate. Remove lock-up relay valve sleeve stopper. Turn assembly over.
- Remove bolts from lower valve body and cover. Carefully remove lower valve body cover gaskets and plate. Note location of check balls, retainers, keys and pins in valve body.
- Remove 2 check balls from lower valve body. Remove 1 bolt from lower valve body. Remove 3 bolts from upper valve body. Hold No. 1 plate to upper valve body. Lift off upper valve body and plate as a unit. DO NOT lose check balls, retainers and pins in lower valve body.
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