GMC 1976 ZEO 6083 Maintenance Manual page 493

2. Inspect drive lugs for damage .
3 . Inspect splines for damage .
4. Inspect lubrication passages .
INSPECT MAIN SHAFT
1 . Inspect shaft for cracks or distortion .
2. Inspect splines for damage .
3. Inspect ground bushing journals for damage.
4. Inspect snap ring groove for damage .
5. Inspect lubrication passages .
INSPECT REAR INTERNAL GEAR
1 . Inspect gear teeth for damage or wear .
2. Inspect splines for damage .
3. Inspect gear for cracks .
4. Inspect bearing and thrust surfaces for wear or
galling.
INSPECT OUTPUT CARRIER
1 . Inspect front internal gear for damaged teeth.
2. Inspect pinion gears for damage, rough bear-
ings or excessive tilt .
3. Check pinion end play . Pinion end play should
be .009 inch-.024 inch, Figure 51 .
Figure 51-Check-Pinion End Play
TRANSMISSION 7- 45
4. Inspect parking gear lugs for cracks or dam-
age.
5. Inspect output flange locating splines for dam-
age.
6. Inspect front internal gear ring for flaking or
cracks .
INSPECT REACTION CARRIER
1 . Inspect band surface on reaction carrier for
signs of burning or scoring.
2. Inspect roller clutch outer cam for scoring or
wear .
3. Inspect thrust washer surfaces for signs of
scoring or wear .
4. Inspect bushing for damage . If bushing is da-
maged, carrier must be replaced .
5 . Inspect pinion gears for damage, rough bear-
ings or excessive tilt .
6. Check pinion end play . Pinion end play should
be .009 inch-.024 inch .
7. If the reaction carrier has a spacer ring in an
undercut at the bottom of the roller cam vamps,
inspect it for damage, Figure 52 .
NOTE :
The reaction carrier with the undercut
and spacer ring is used optionally and inter-
Figure 52-Reaction Carrier with Spacer Ring