This task covers:
Refrigeration Unit Service Tool Kit
Use disconnect switch (NOT POWER
CABLE) to disconnect power to unit.
Damage to cable connector pins will
result if cable is used.
Disconnect power at power source.
Lock Washers (4)
For additional information on electric motor repair refer to FM 20-31 (Electric Motor
(1) To replace connector (1) or (2).
(a) Tag and disconnect wire leads from connector (1) or (2) terminals. (See paragraph 4-24.)
(b) Attach new connector (1) or (2) to wire leads using tags and wiring diagram (figure 4-6). Remove
(a) Match mark stator (4) and two end plates (5) and (6) to ease reassembly.
(b) Remove four nuts (7), lock washers (8), and screws (9).
Improper insertion of rotor will cause motor to run backwards.
(c) Carefully separate end plates (5) and (6) from stator (4) and slip grommet (10) out of end plate (5)
(d) Slide end plates (5) and (6) off rotor (11) shaft. Mark wire lead end of rotor for proper insertion at
reassembly and remove from stator (4).
(e) Carefully remove two bearings (3) from rotor (11) shafts. Use bearing puller if necessary.