Band Apply Servo: Service and Repair
BORG WARNER 66FRONT SERVO
Overhaul
Dismantling
Fig. 53:
177. Remove the piston return spring (Fig. 53)
178. Withdraw the piston from the servo body remove and discard the "O" rings (Fig. 53).
Inspection
179. Check the return spring for distortion; renew if necessary. Check fluid passage for obstruction, clear the passage with compressed air only.
Reassembling
Reverse operations 177 and 178; coat the new "O" rings with petroleum jelly prior to fitting.
REAR SERVO
Overhaul
Dismantling
Fig. 54:
180. Withdraw the piston from the servo body; remove and discard the "O" rings (Fig. 54).
Inspection
181. Check the return spring removed during operation 55 for distortion, renew if necessary (Fig. 54).
182. Check the fluid passages for obstruction, clear the passages with compressed air only.
Reassembling
Reverse operation 180. coat the new "O" rings with petroleum jelly prior to fitting.