TM 9-4120-404-14
3-40. RECTIFIER (CR1). - Continued
a. Removal. - Continued
(1) Tag and disconnect all wires attached to rectifier (1).
(2) Remove screw (2), lock washer (3), and rectifier (1) from unit.
(3) Remove capacitors (4) and (5) from rectifier (1).
b. Test
(1) Using an ohmmeter on lowest OHM setting, check for continuity across terminals 1 & 2,1 & 3, 1 & 4, 2 & 3,
2& 4, and 3 &4.
(2) If rectifier fails any test in step (1), replace rectifier.
c. Installation.
(1) Install capacitors (4) and (5) on rectifier (1).
(2) Install rectifier (1), lock washer (3), and screw (2).
(3) Connect all wires to rectifier (1) and remove tags.
(4) Install front cover (see para. 3-27).
(5) Reconnect power source to air conditioner.
3-110
