TM 10-3610-203-14
TS 3610-203-14/12-5
Figure 12-5. Terminal Relay Box.
a. Inspection. Inspect the terminal relay box as follows:
(1) Turn off electrical power to air conditioner.
(2) Remove the humidifier as directed in paragraph 4-31.
(3) Remove the evaporator front cover by releasing the spring fasteners and remove the cover.
NOTE
The power relays can be inspected without disassembly, except for the removal of the protective
cover.
(4) Inspect the relays to assure that the moving and stationary contacts are aligned and make a positive contact.
CAUTION
Care should be taken during inspection so as not to damage the relay mechanism.
(5) Inspect the armature of the plunger mechanism for freedom of movement.
(6) Inspect the contacts for burns, pits, and dirt.
(7) Clean the contacts as directed in paragraph 12-2c. or replace as required.
b. Removal. Remove the terminal box relays as follows:
(1) Turn off electrical power to air conditioner.
(2) Remove the humidifier as directed in paragraph 4-31.
(3) Remove the evaporator front cover by releasing the spring fasteners and remove the cover.
12-7