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TM 11-5820-890-30-5
4-63, REPLACEMENT OF LAMP HOLDER DS1.
Tools:
1/2-inch open-end wrench
1/2-inch socket
Flat tip screwdriver
9/16-inch open-end wrench
Torque wrench
Torque screwdriver
Soldering kit
Expendable Supplies:
Cotton swabs
Solder
Alcohol
References:
Paragraph 4-62 for removal and installation of circuit breaker CB1.
ITEM
ACTION
REMARKS
REMOVAL
a. Mounting adapter
Set on work surface with left side
toward you.
b. Side access cover (16)
Remove and retain.
c. Circuit breaker CB1 (12)
Remove and retain.
d. Lens (26) and lamp (27)
e. Lamp holder DS1 (28)
f. Wires
INSTALLATION
g. Wires
h. Lamp holder
DS1 (28)
i.
Lens (26) and lamp (27)
Circuit breaker
j.
CB1 (12)
k.
Side access
cover (16)
Refer to paragraph 4-62
for removal procedures.
Remove and retain lens (26) and lamp
(27) from defective lamp holder DS1 (28).
Using 9/16-inch open-end wrench, remove
and retain nut and Iockwasher securing defec-
See figure 4-19.
Refer to paragraph 4-62
for removal procedures.
tive lamp holder DS1 (28) to power control
chassis (8). Remove lamp holder from
power control chassis.
Using soldering kit, tag and desolder wires
from defective lamp holder DS1 (28).
Discard lamp holder,
Using soldering kit, solder tagged wires
to leads of replacement lamp holder DS1
(28). Remove wire tags.
Position lamp holder DS1 (28) to power
control chassis (8) and install retained
Iockwasher and nut. Using 9/16-inch
open-end wrench tighten nut securing
lamp holder to power control chassis.
Install retained lens (26) and lamp (27)
to lamp holder DS1 (28).
Install.
Install.
Before and after soldering,
clean wires and leads with
alcohol and cotton swabs.
These were removed in
step e.
These were removed in
step d.
Refer to paragraph 4-62
installation procedures.
for
See figure 4-14. This was
removed in step b.
Refer to paragraph 4-62 for
installation procedures.
4-177
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