Thermo King 919180, Manual

Page: 122 / 148

Structural Maintenance
122
4. Using a punch, remove the oil seal from the
evaporator end of the assembly. With the seal
removed, clean the housing in solvent.
Figure 81: Removing Oil Seal
5. Check the condition of the vent. If it is loose
or damaged, it must be repaired or replaced.
6. After all the parts are cleaned, inspect the
bearings and bearing races for wear or
damage.
7. To replace the bearings, first remove the roll
pin that is in the center of the shaft.
Figure 82: Removing Roll Pin
8. With the roll pin removed, place a pipe over
the shaft and drive one bearing down until the
opposite bearing and bearing spacer release
from the shaft.
9. After removing one bearing and the bearing
spacer, turn the shaft upside down and drive
the other bearing off, using the pipe.
10. The bearing races can now be driven out with
a punch and replaced in the same manner.
Reassembly
1. Install the new bearings on the shaft with a
pipe in the same way they were removed.
Figure 83: Installing Bearings
2. When replacing the bearing race on the
evaporator end of the assembly, the splash
guard will come out with the race. Reinstall
the splash guard after replacing the bearing
race.
Figure 84: Installing Splash Guard