TM 11-6125-240-34
marked and that the markings agree with those on the
troubleshooting (para 4-6), use a pen knife or exacto
knife to trim away the protective coating around the
circuit board as shown in figure 4-2.
defective component on the circuit card assembly. Turn
c. Disconnect the electrical leads from regulator as-
sembly 4B93-1-A (1, fig. 4-5) by removing screws (2)
the circuit card over and remove all coating from
and lockwashers (3) from lug terminals (4).
soldered connections of the defective component. Refer
NOTE
to figure 4-2 for locations of all components.
This step disconnects voltage adjust variable
NOTE
Follow the outline of the components to be
resistor R2 from the card assembly.
replaced when removing protective coating.
Remove only protective coating that covers
washers (7). Lift regulator assembly 4B93-1-A (1) from
base assembly (10).
the part to be removed. Do not disturb or
e. If necessary, remove threaded spacer (8) by
remove protective coating from other compo-
nents, or remove excessive amounts of coating
removing screws (9).
from the surrounding area.
f. After determining defective components through
4-12
