When replacing the hydraulic brake adaptor on the 28000 series transmission the following procedure
must be followed:
Refer to applicable maintenance manual for rear cover removal.
Drill and tap two lower brake adaptor attaching holes as shown in diagram.
Clean rear cover.
Reinstall rear cover a explained In maintenance manual.
Install two studs a shown.
Install new brake adaptor O-rings and brake adaptor.
Install place bolts and washers, tighten bolts 115 to 127 ft.-lbs, torque [15, 9-17, 5 mm].
Install stud nut washers and stud nuts. Tighten nuts 180 to 198 ft.-lbs. torque (24, 9-27, 3 mm].
Reassemble hydraulic brake as explained in the maintenance and service manual supplement