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TM 9-4120-389-14
4-48. TERMINAL BOARDS (TB1 AND TB3)
Preliminary procedure: Remove junction box (See para. 4-46).
WARNING
Voltages used can kill. Always disconnect power cord to air
conditioner before performing any internal maintenance.
Shutting off at its control module does not disconnect unit
power.
a.
Inspection
(1)
Check terminal (TB1 and TB3) for loose or corroded terminals, cracks and obvious damage.
Replace if cracked or broken.
(2)
Check that wire leads are secure and properly located (See fig. 4-8).
(3)
Check marker strips for damage. Replace as needed.
b.
Removal
(1)
Tag and remove wire leads.
(2)
Remove four screws, flat washers and self locking nuts in terminal board (TB1).
(3)
Remove two screws, flat washers and self locking nuts in terminal board (TB3).
(4)
Remove terminal boards (TB1 and TB3) and two marker strips.
4-148
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