TM 10-3610-202-14
Figure 11-5. 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 4-45.
(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
11-2c 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 4-45.
(3) Remove the evaporator front cover by
releasing the spring fasteners and remove the cover.
(4) Carefully remove and identify wires attached
to relay.
(5) Remove the relay mounting hardware and
remove the relay.
c. Repair. Repair the terminal box relays as follows:
CAUTION
Care
should
be
taken
during
cleaning and repair of the relays so
as
not
to
damage
the
relay
mechanism
.
11-7
