ARMY TM 9-4120-380-14
NAVY EE-000-BA-MMA-010/7053-AC
AIR FORCE TO 35E9-136-21
5.6. EVAPORATOR MOTOR (B2). This task covers disassembly, repair and reassembly.
INITIAL SETUP
Tool
Tool kit, service, refrigeration unit (Item 1, Appendix B)
Personnel:
1
Materials:
Grease aeroshell 22 (Item 19, Appendix E)
Rags (Item 7, Appendix E);
Corrosion inhibiting compound (Item 12, Appendix E)
Equipment Condition:
Remove evaporator fan and housing assembly (paragraph 4.47)
DISASSEMBLY
a. Match-mark motor frame (3) and end caps (2) and (9) (see fig 5-1)
b. Remove four end cap nuts (8), lockwashers (7) and through bolts (1)
When removing end caps, rotor will be freed. Damage to rotor could occur if dropped
while removing end caps from motor.
c.
Remove end caps (2) and (9).
d.
Identify location of wavy spring washer (13) and two spacer washers (14).
e.
Carefully pull rotor (6) from the motor frame (3).
f.
Carefully remove bearings (5) and (10) from shaft (4).
g.
Examine rotor (6), stator (12), and shafts for nicks, gouges, deformations, or evidence of overheating.
REPAIR
Dress high metal defects in shaft with a file. If rotor or stator are beyond repair, replace motor.
5-4
