GMC 1976 ZEO 6083 Maintenance Manual page 511

Figure 93-Installing Manual Shaft
DISASSEMBLE REAR SERVO ASSEMBLY
(FIGURE 94)
1 . Remove rear accumulator piston from rear
servo piston .
2. Remove E-ring retaining rear servo piston to
band apply pin.
3. Remove rear servo piston and seal from band
apply pin.
4. Remove washer, spring and retainer .
INSPECT REAR SERVO
Figure 94-Rear Servo and Accumulator
TRANSMISSION 7- 6 3
1. Check freeness of oil seal rings in accumulator
piston grooves.
NOTE :
Do not remove the teflon oil seal rings
from the rear accumulator piston, unless the oil
seal rings require replacement.
If the teflon inner oil seal ring . (small diameter) re-
quires replacement, for service, use the aluminum oil
seal ring .
The rear accumulator piston, large diameter ring
groove depth, is machined shallower to take the large
teflon oil seal ring ; if this requires replacement, use
only the teflon oil seal ring .
2. Inspect fit of band apply pin in servo piston .
SERVO PIN
SERVO SPRING
SPRING RETAINER
ACCUMULATOR PISTON
WASHER
OIL SEAL RING
SERVO PISTON
SERVO OIL SEAL
RETAINING
"E" RING
A-2203