CUMMINS QST30 - HC6 Bearing Removal; HC6 Bearing Replacement; HC6 Bearing Lubrication

6-12
Copyright  2017 Cummins Inc.
HC6 Bearing Removal
1. Remove the endbracket (complete steps 1
through 16 of the Main Stator and Rotor Re-
moval (P7) procedure.
2. Remove the four screws holding bearing cap
3. Remove cap.
4. Remove circlip.
5. Remove bearing cartridge housing complete
with bearing.
HC6 Bearing Replacement
When replacing bearing onto rotor shaft, be sure to
apply pressing force to the inner face of the bearing
only.
HC6 Bearing Lubrication
Bearing Lubrication: When re-lubricating or re-
placing the bearing, review the following.
 Recommended Lubricant: Lithium based
grease, Mobilux No. 2 or Shell Alvania R3.
 Temperature Range: -22F to +248F (-30C to
+120
C).
 Quantity: 2.74 oz. (81 ml). The grease should
be equally divided between the bearing, the
bearing cap cavity, and the bearing cartridge
cavity.