TM9-4120-401-14
4-31.
MOTOR CONTROLLER ASSEMBLY (MC1). - continued
d. Install.
(1) Carefully install motor controller assembly (1 ) into unit.
(2) Connect wiring harness connectors P2, J12, and P13. Remove tags.
NOTE
FOLLOW-ON MAINTENANCE:
LOGIC BOX ASSEMBLY (LGC1).
c. Install
This task covers:
a. Remove
b. Inspect
INITIAL SETUP
Tools
Equipment/Conditions:
Refrigeration Unit Service Tool Kit
Materials/Parts
Logic Box Assembly
Lock Washers (4)
a. Remove.
(1) Tag and disconnect wiring harness connectors from J1 and J3.
(2) Remove four sets of screws (1), lock washers (2), flat washers (3), and spacers (4). Remove logic box
assembly (5) from unit.
b. Inspect.
(1) Check for dents, punctures, or cracked welds. Replace logic box assembly (5) if damaged.
(2) Check connectors J1, J2, and J3 for general condition and loose, broken, or missing contact pins.
Replace logic box assembly (5) if any connectors are damaged.
c. Install.
(1) Install logic box assembly (5) into unit and secure with four sets of screws (1), lock washers (2), flat
washers (3), and spacers (4).
(2) Connect wiring harness connectors to J1 and J3. Remove tags.
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