ARMY TM 9-6115-643-24
AIR FORCE TO 35C2-3-445-22
e. Install rotating rectifier, paragraph 4.19,2.
f. Install main bearing and generator end bell, paragraph 4.18.2.
g. Install generator set housing rear panel, paragraph 2.18.4.
h. Connect negative battery cable and close battery access door.
GENERATOR ROTOR ASSEMBLY (MEP-804A).
Shut down generator set. Allow generator to cool to ambient temperature.
Open battery access door and disconnect negative battery cable.
Remove generator set housing rear panel, paragraph 2.18.1.
Remove generator end bell, paragraph 4.18.1.
Tag and disconnect main rotor leads (2 places) from rotating rectifier by removing screws (1, FIGURE 4-9).
Set multimeter for ohms and connect between disconnected main rotor leads. Multimeter reading should be as
shown in TABLE 4-3.
Reading other than in TABLE 4-3, indicates shorted or open windings and main rotor must be replaced.
Connect multimeter between each main rotor lead and generator housing in turn.
Multimeter reading of less than infinity indicates defective ground insulation and main rotor must be replaced.
Connect main rotor leads to rotating rectifier with screws (1, FIGURE 4-9).
Install generator end bell, paragraph 4.18.2.
Install generator set housing rear panel, paragraph 2.18.4.
Connect negative battery cable and close battery access door.
a. Shut down generator set.
b. Remove generator assembly from generator set, paragraph 4.16.1.
N O TE
Mark location of spacers (21), washers (20), and bolts (19) to ensure
correct positioning during installation.
c. Remove bolts (17 and 19, FIGURE 410), washers (18) and (20), spacers (21), and drive discs (22) from drive
d. Attach a suitable rotor lifting device to drive hub (27) and overhead hoist as shown in FIGURE 4-12.
e. Remove generator end bell, paragraph 4.18.1.