TM 9-4120-407-14
This task covers:
b. Repair
c. Assembly
a. Disassembly
Equipment Conditions:
Tools
Service Refrigeration Unit Tool Kit
Materials/Parts
Spring Tension Washer, Qty 2
a . Disassembly.
NOTE
Disassemble only to extent necessary for repair.
(1) Match mark the frame (1) to end shields (2) and (3).
(2) Remove four nuts (4), lock washers (5), and studs (6). Discard lock washers.
(3) Carefully separate end shield (2) from frame (1). Gently tap around end shield to break it loose.
(4) Carefully remove rotor (7).
(5) Carefully separate end shield (3) from frame (1) as far as cords (8) will allow. Gently tap around
end shield to break it loose.
(6) Remove cord bushing (9).
(7) Tag and carefully remove contacts (10) from connector bodies (11).
(8) Carefully pull cords (8) through end shield (3).
(9) Remove ball bearing (12) from end shield (2).
(10) Remove ball bearing (13) and two spring tension washers (14) from end shield (3). Discard spring
tension washers.
(11) Note location of thermostat (15) and carefully pull from winding (16).
NOTE
Rotor and shaft are supplied as one component and must be replaced
as an assembly if either component is damaged.
(12) Check rotor (7) for any evidence of overheating such as discoloration or bum marks. Check
shaft (17) for any gouges, burrs or scored marks around bearing surfaces. Replace if damaged.
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