TM 9-4910-387-14-2
6-2. TROUBLESHOOTING (cont))
D. WIRES MAY BE OPEN. (cont)
8 Remove terminal box cover from lube oil tank assembly.
NOTE
Contacts on the male connector plug are stamped with
the letters X, Y, and z.
9 Connect one multimeter lead to contact X (20 on male connector
)
plug (21) and connect the other lead to contact X (22) on the tank
heater.
10 Remove both leads. Connect one multimeter lead to contact Y (23)
on male connector plug (21) and connect the other lead to contact Y
(24) on the tank heater.
11 Remove both leads. Connect one multimeter lead to contact Z (25)
on male connector plug (21) and connect the other lead to contact Z
(26) on the tank heater.
12 Remove both leads. Connect one multimeter lead to ground (27)
and connect the other lead to tester frame.
6-60