TM 9-2320-363-34-2
C A U T I O N
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
If either rotor half has been damaged, both rotor halves must be replaced.
Failure to replace both will cause rotor to be out of balance and alternator
will not operate properly.
INSTALL TWO WOODRUFF KEYS (2), ROTOR HALF (3), HUB (4), AND ROTOR HALF (5) ON
SHAFT (6).
INSTALL INNER BEARING RACE (7) WITH CHAMFERED EDGE FACING AWAY FROM ROTOR
HALF (3) UNTIL GAP OF 0.141 IN. (3.6 mm) IS BETWEEN INNER BEARING RACE (7) AND SHAFT
(6) THREADS.
PLACE ROTOR ASSEMBLY (8) IN SOFT-JAWED VISE AND INSTALL NUT (9). TIGHTEN NUT TO
110 LB-FT (149 N.m).
APPLY LIGHT COATING OF SEALING COMPOUND TO SHAFT (6) WHERE SLIP RING ASSEMBLY
(10) WILL BE INSTALLED.
C A U T I O N
Use extreme care not to damage two terminals located on end of slip ring
assembly.
INSTALL SLIP RING ASSEMBLY (10) ON SHAFT (6) UNTIL END OF SLIP RING ASSEMBLY (10) IS
AGAINST INNER BEARING RACE (7).
INSTALL BEARING (11), NEW SEAL (12), BEARING RETAINER (13), AND FOUR SCREWS (14).
INSTALL SHAFT (6) IN ROTOR AND DRIVE END HOUSING (15).
MOUNT ROTOR AND DRIVE END HOUSING (15) IN SOFT-JAWED VISE AND, USING DIAL
INDICATOR GAGE WITH MAGNETIC BASE, CHECK RUNOUT OF SLIP RING ASSEMBLY (10).
MAXIMUM ALLOWABLE RUNOUT IS 0.002 IN. (0.05 mm).
IF RUNOUT IS EXCESSIVE, MOUNT ASSEMBLY ON LATHE USING ABRASIVE CLOTH. DRESS
SLIP RING ASSEMBLY (10).
REPEAT STEPS 9 AND 10 UNTIL PROPER RUNOUT IS ACHIEVED.
SOLDER TWO LEADS (16) TO TERMINALS LOCATED ON END OF SLIP RING ASSEMBLY (10).
13-13
