TM 55-1520-240-23-6
7-75
INSTALL POWER TRANSFER UNIT MOTOR SHAFT SEAL (570973) (AVIM)
(Continued)
7-75
3.
Install packing (11) in mating ring (2).
4.
Install pin (12) in shaft (13). Use needle nose
pliers.
5.
Install mating ring (2) on shaft (13). Mating ring
must engage with pin (12).
6.
Install shim (3) and ring (4) on shaft (13).
7.
Check end play of mating ring (2). There shall
be 0.0015 to 0.003 inch gap. If gap is larger,
replace shim (3). Use feeler gage.
8.
Install retainer clip (5) on shaft (13).
9.
Install two packings (14 and 15) on retainer (6).
10.
Install subassembly shaft seal (7) in retainer (6).
Use dowel.
11.
Install retainer (6) in motor (1), carbon side
outward.
12.
Install nut (8) in motor (1). Use wrench (APP
E-30). Torque nut to 200 inch-pounds. Tighten
until slot in nut aligns with slot in motor. Do not
exceed 300 inch-pounds.
13.
Install lockscrew (9).
14.
Remove motor (1) from vise (10).
NO BREAK - WORK HARDER
NO BREAK - WORK HARDER
INSPECT
FOLLOW-ON MAINTENANCE:
Test motor shaft seal (Task 7-76).
END OF TASK
7-316
