TM 11-5820-890-30-4
3-36. REPLACEMENT OF RESISTOR R3.
Tools:
3/16-inch nutdriver
Cross tip screwdriver, #0 point
Soldering kit
Adjustable wrench
Expendable supplies:
Alcohol
Cotton swabs
Solder
References:
Paragraph 3-26 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). Use soldering kit.
Desolder wires from resistor.
b. Two screws (75), flat
Use #0 point cross tip screwdriver and
washers (4), and hex
3/16-inch nutdriver. Remove and retain
nuts (5)
two screws, flat washers, and hex nuts
securing resistor R3 (74) to mounting
bracket (73). See figure 3-12 (sheet 3).
c. Resistor R3 (74)
Remove and discard from mounting bracket.
lNSTALLATION
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
Use #0 point cross tip screwdriver and
washers (4), and hex
3/16-inch nutdriver. Install and tighten
nuts (5)
two retained hex nuts and flat washers
on two screws securing resistor to mount-
ing bracket.
f. Wires
Use soldering kit. Solder all wires to cor-
rect positions on resistor R3.
These were removed in
step b.
These were removed in
step b.
Before and after soldering,
clean solder joints with cot-
ton swabs and alcohol.
3-106
