A/T - 700R4 Sleeving Governor Bore
TSB 85-21SUBJECT: 700-R4
The following procedure is recommended for sleeving a THM 700-R4 governor bore.
STEP 1 Install holding fixture J-28763 and mount in vise.
STEP 2 Remove (file) any excess material from the governor face.
STEP 3 Install J-22976-3 and K-22976-1. Torque bolts to 13 Nm (10 ft. -lbs.). Make sure J-22976-3 rotates freely and then remove it.
STEP 4 Beam the governor bore as follows:
^ Oil J-122976-9, J-22976-1 and the governor bore with transmission fluid.
^ After each ten revolutions, remove the reamer and dip in transmission fluid to clean.
^ After the reamer reaches the end of the bore and bottoms on the governor support pin, rotate the reamer ten additional revolutions.
^ Remove the reamer. Be certain to rotate during removal to prevent scoring the bore.
^ Remove the tools and thoroughly clean the case.
STEP 5 Align the slots in the bushing with the slots in the governor bore.
STEP 6 Install the bushing until the slots in the bushing align with the feed holes in the governor bore.