d. Remove oil seal for replacement.
b. Install a new oil seal with a press. Avoid use of
CAUTION: The o-ring and oil seal in the motor side of
drifts and hammers. They may easily damage
the drive drum play a critical part in
component parts. Lubricate the oil seal lip (see figure 7-
preventing premature failure of drum
support bearing and the planetary system.
These seals should be replaced during
c. Install bearing on housing by heating slightly if
necessary. Seat the bearing cone firmly against the
e. Replace o-ring if required by inspection in step c
d. Set the bearing carrier with bearing cups and oil
seal on the housing mounted bearing cone (see figure 7-
7-201. REASSEMBLY OF MOTOR CARRIER.
a. If new bearing cups are to be installed, press them
e. Place the bearing cone around motor housing hub
firmly against the bearing carrier shoulders. Lubricate
the bearings and cups with light machine oil or grease