TM9-4120-370-14
TO35E9-229-1
4-51. TRANSFORMER (T) - Continued.
(3) Connect one probe of a Multimeter set on high OHMS scale to either terminal stud H1 or H2 and the other
probe to the transformer case. If resistance is less than 500,000 ohms, replace the transformer.
(4) Connect one probe of a Multimeter set on high OHMS scale to either terminal stud X1 or X2 and the other
probe to the transformer case. If resistance is less than 500,000 ohms, replace the transformer.
(5) Connect one probe of a multimeter set on high OHMS scale to either terminal stud H1 or H2 and the other
probe to either terminal stud X1 or X2. If resistance is less than 500,000 ohms, replace the transformer,
Installation
c.
(1) Position transformer and gasket on outside rear of junction box.
(2) Using wrench, secure transformer with four nuts and lockwashers. Torque shall not exceed 5 inch pounds.
(3) See tags and wiring diagram (Figure 4-20) and connect leads. When installing terminal lugs on transformer
terminals, hold bottom nut with wrench while tightening outer nuts.
(4) Using screwdriver, secure junction box cover with ten screws and lock washers.
Follow-on procedure:
Install junction box. (See para 4-45.)
4-52. CONTROL RELAY (K10)
Preliminary procedure:
Remove lower front panel and junction box cover. (See para 4-46.)
Figure 4-71. Control Relay (K10)
Removal
a.
(1) Release relay hold down spring ends from relay.
(2) Pull control relay (K10) from socket.
b. Inspection (relay and socket)
(1) Check that relay and socket are not cracked or broken.
(2) Check that contacts are not corroded, loose, bent, or missing.
4-102
