UNDERDRIVE Brake & Accumulator: Reassembly

Coat NEW "O" ring with ATF and install on accumulator piston. Install accumulator piston and spring. Install oil gallery gasket and cover. Tighten bolts to 89 INCH lbs. (10 N.m). Apply seal packing Three Bond (1324) to screws for oil gallery cover. Install screws and tighten to 65 INCH lbs. (7.4 N.m).
Install underdrive brake piston "O" rings. Coat "O" rings with ATF. Install piston in transaxle case with cupped side upward. Use care not to damage "O" rings. Install brake piston return spring. Install plates and discs. Install flange with flat end facing inward.
Using spring compressor, compress return spring. Install snap ring. Ensure snap ring end gap is not aligned with cutout. Using compressed air, ensure underdrive brake piston operates smoothly. See Fig 1.

Fig 1: Exploded View Of Underdrive Brake & Accumulator