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TM 11-5820-890-30-5
4-33. REPLACEMENT OF RELAY K1. Continued
ITEM
ACTION
REMARKS
INSTALLATION Continued
Rear access
i.
cover (12)
4-34. REPLACEMENT
Tools:
Hold in place and tighten six captive
This was removed in
screws (13) securing rear access cover
step b.
(12) to power control chassis (10).
See figure 4-5.
Using torque screwdriver, torque screws
to 8 to 10 in-lb.
OF DIODE CR1.
Flat tip screwdriver
Cross tip screwdriver
7/16-inch open-end wrench
Torque screwdriver
Soldering kit
Expendable Supplies:
Cotton swabs
Solder
Alcohol
References:
Figures 4-5 and 4-10 for location of amplifier adapter parts.
Paragraph 4-33 for removal and installation of rear access cover.
ITEM
ACTION
REMARKS
REMOVAL
a. Mounting adapter
b. Rear access cover (12)
c. Wires
d. Two screws (22), flat
washers (24), and
Iockwashers (23)
e. Diode CR1 (20)
Set on work surface with left side
toward you.
Remove and retain.
See figure 4-5.
Refer to paragraph 4-33 for
removal procedures.
Remove insulation sleeving as required.
See figure 4-10.
Using soldering kit, tag and desolder
wires from defective diode CR1 (20).
Using cross tip screwdriver, remove
and retain two screws (22), flat washers
(24), and Iockwashers (23) securing
mounting bracket (21) to power control
chassis (17).
Using 7/16-inch open-end wrench, remove
and retain hex nut (26) and Iockwasher
(25) securing defective diode CR1 (20)
to mounting bracket (21). Remove and
discard defective diode CR1.
4-129
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