TM 9-4120-404-14
3-39. TRANSFORMER (T1). - Continued
b. Test.
(1) Tag and remove transformer leads.
(2) (Refer to Figure 3-28). Using a multimeter set on lowest OHMS scale probe transformer terminals 1 & 2,
and 3 & 4. Multimeter should show a very low resistance.
(3) Probe transformer terminals 1 & 3. Multimeter should read infinite resistance.
(4) If transformer fails steps (2) or (3), transformer is defective. Replace transformer.
c. Installation.
(1) Install transformer (1) into unit.
(2) Install four flat washers (4), four lock washers (3), and four screws (2).
(3) Place heat shrink onto wires and resolder all wires to transformer (1) and remove tags.
(4) Apply heat to heat shrink tubing to tighten it around installed wiring.
(5) Install front cover (see para. 3-27).
(6) Reconnect air conditioner to power source.
Figure 3-28. Transformer Schematic.
3-108
