ARMY TM 9-6115-643-24
AIR FORCE TO 35C2-3-445-22
4.18 END BELL AND MAIN BEARING (MEP-804A).
4 .1 8 . 1 R e m o v a l .
a
Shut down generator set.
b.
Open battery access door and disconnect negative battery cable.
c.
Remove generator set housing rear panel, paragraph 2.18.1.
d.
Remove bolts (1, FIGURE 4-10), lockwashers (2), and end bell (3) from generator assembly.
e.
If necessary, remove plug (4) and packing (5) from end bell (3).
If bearing needs to be removed for any reason, always install new bear-
ing. Main bearing is easily damaged when removed from rotor shaft.
Damage to equipment could result.
f.
Using bearing puller, remove bearing (6) from main rotor assembly (23) shaft and discard bearing
g.
If necessary remove retaining ring (7) from main rotor assembly (23) shaft.
4.18.2 Installation.
a.
If removed, install retaining ring (7, FIGURE 4-10) on main rotor assembly (23) shaft.
If bearing needs to be removed for any reason, always install new bear-
ing. Main bearing is easily damaged when removed from rotor shaft.
Damage to equipment could result
b.
Install bearing (6) on main rotor assembly (23) shaft. Ensure that bearing is seated squarely against retaining ring
(7) by applying pressure to inner race only.
c.
If removed, install packing (5) and plug (4) in end bell (3).
d.
Position end bell (3) on bearing (6).
e.
Install end bell (3) on generator assembly with bolts (1) and lockwashers (2).
f.
Install generator set housing rear panel, paragraph 2.18.4.
g.
Connect negative battery cable. Close battery access door.
4.19 ROTATING RECTIFIER (MEP-804A).
4 .
19 . 1 R e m o v a l .
a.
Shut down generator set.
b.
Open battery access door and disconnect negative battery cable
c.
Remove generator set housing rear panel, paragraph 2.18.1.
d.
Remove generator end bell and main bearing, paragraph 4.18.1.
4-34