ARMY TM 9-4120-380-14
NAVY EE-000-BA-MMA-010/7053-AC
AIR FORCE TO 35E9-136-21
REPAIR
Dress high metal defects in shaft with a file If rotor or stator are beyond repair, replace motor.
REASSEMBLY
NOTE
When replacement of the motor is necessary, perform the following. Install insulator
bushing (11); cut wire leads to 5 inches, strip and dead end wires together for 208 Vac,
3-phase operation; and apply corrosion inhibiting compound to both shafts.
a. Coat the bearing cavity of end caps (2) and (9) with grease.
b. Install bearings (5) and (10) onto shaft (4).
c. Insert wavy spring washer (13) and two spacer washers (14).
Damage to rotor could occur if rotor is dropped.
d.
Carefully insert rotor (6) into motor frame (3).
e.
Carefully work end caps (2) and (9) onto shaft ends, keeping the match-marks in align ment.
f.
Install four through bolts (1) through end caps (2) and (9).
g.
Install four lockwashers (7) and end cap nuts (8), and partially tighten.
h.
Before final tightening, check freedom of rotation by turning shaft by hand There should be no drag or binding.
i.
Alternately tighten nuts (8) and adjust as necessary.
j.
Check for binding and drag.
FOLLOW ON PROCEDURE
5-9