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TM 11-5820-890-30-5
3-35. REPLACEMENT OF RESISTOR R3.
Tools:
Soldering kit
Cross tip screwdriver, #0 point
3/16-inch nutdriver
Adjustable wrench
Expendable supplies:
Alcohol
Cotton swabs
Solder
References:
Paragraph 3-25 for removal and installation of test adapter from maintenance group lid.
Figure 3-12 for illustration of resistor R3 and mounting bracket.
ITEM
ACTION
REMARKS
REMOVAL
a. Wires
Note positions of wires soldered to
resistor R3 (74). Using soldering kit,
desolder wires from resistor.
b. Two screws (75), flat
Using cross tip screwdriver and 3/16-inch
See figure 3-12 (sheet 3).
washers (4), and hex
nutdriver, remove and retain two screws,
nuts (5)
flat washers, and hex nuts securing re-
sistor R3 (74) to mounting bracket (73).
c. Resistor R3 (74)
Remove and discard from mounting bracket.
INSTALLATION
d. Resistor R3 (74)
Insert two retained screws (75) through
replacement resistor R3. Place resistor in
correct position on mounting bracket (73)
with screws inserted through holes in
mounting bracket.
e. Two screws (75), flat
Using cross tip screwdriver and 3/16-inch
washers (4), and hex
nutdriver, install and tighten two retained
nuts (5)
hex nuts and flat washers on two screws
securing resistor to mounting bracket.
f. Wires
Using soldering kit, solder all wires to
correct positions on resistor R3.
These were removed in
step b.
These were removed in
step b.
Before and after soldering,
clean solder joints with
cotton swabs and alcohol.
3-105
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