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TM 11-5820-890-30-5
14-27. REPLACEMENT OF CR1 DIODE.
Tools:
Flat tip screwdriver
Soldering kit
Torque screwdriver
Soldering aid
Flat tip bit
Heat sink
Adjustable wrench
Expendable Supplies:
Solder
Alcohol
Cotton swabs
ITEM
ACTION
REMARKS
REMOVAL
a.
b.
c.
d.
e.
Power supply adapter
12 captive screws (3)
Rear access cover
Diode (3) wires
Diode (3), flat washer,
and Iockwasher
INSTALLATION
f.
Diode (3) and
Iockwasher
g.
Diode (3), flat washer,
and Iockwasher
h.
Diode (3) wires
i.
Rear access cover
screws (3)
14-44
Set on work surface with rear toward
you. See figure 14-4.
Use flat tip screwdriver. Fully loosen and
inspect for damage. If damaged,
obtain replacement.
Remove from chassis to allow access to
CR1 diode (3), and retain. See figure 14-5.
Use soldering kit, soldering aid, and heat
sink. Tag the location of all wires on defective
diode. Unsolder each wire from the diode.
Use adjustable wrench. Remove the
diode, flat washer, and Iockwasher
from the power supply adapter chassis.
Retain the flat washer and discard the
defective diode and Iockwasher.
Obtain replacement diode and
Iockwasher.
Use adjustable wrench. Install and hand
tighten replacement diode, Iockwasher,
and retained flat washer on power supply
adapter chassis.
Use soldering kit, soldering aid,
Before and after soldering,
and heat sink. Solder tagged wires
clean wires and diode
to correct terminals on diode, and
terminals with alcohol and
remove wire tags.
cotton swabs.
Position retained rear access cover
on the power supply adapter chassis.
Use flat tip screwdriver. Install and hand
tighten the 12 captive screws securing
the rear access cover to the power
supply adapter chassis. Use torque
screwdriver. Torque to 9 in-lb.
j.
12 captive
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