Compressor Relay K1, Heater Relay K2 and Phase Sequence Relay K5.

TM 5-4120-339-14

(2) Inspection. Inspect the junction box for defective or missing attaching hardware and for damage which

would impair serviceability.

(3) Repair.

(a) Replace defective or missing attaching hardware.

(b) If practical, replace defective or burned wiring.

(4) Replace. Replace the junction box if damaged to an extent which would impair serviceability.

(5) Installation. (See figure 3-13.)

Compressor Relay K1, Heater Relay K2 and Phase Sequence Relay K5.

WARNING

Disconnect the air conditioner from the electrical power before removing relays.

(1) Removal. (See figure 3-14.)

(2) Inspection. Inspect each relay for evidence of damage which would impair serviceability.

(3) Test. (See figure 3-15.)

(4) Replace.

(a) Replace any relay (K1, K2 or K5) which shows evidence of damage which would impair serviceability.

(b) Replace any relay (K1, K2 or E5) which fails any test procedure listed.

(5) Installation. (See figure 3-14.)

g. Fan Relays K7 and K8.

WARNING

Disconnect the air conditioner from the electrical power before removing relays.

(1) Removal. (See figure 3-16.)

(2) Inspection. Inspect each relay for evidence of damage which would impair serviceability.

(3) Test. (See figure 3-17.)

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