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TM 10-4320-342-24
3-31.
VARIABLE RESISTOR (LIGHTS) REPLACEMENT.
This task covers:
a. Removal
b. Repair
c. Installation
INITIAL SETUP
Tools
Equipment Condition
General Mechanics Tool Kit (App B, Sect III,
200/600 GPM Pump Assembly removed from
Item 3)
system (PARA 2-9, TM 10-4320-342-10)
Wire Stripper (App B, Sect III, Item 3)
Electrical Repair Kit (App B, Sect III, Item 3)
Solder Gun (App B, Sect III, Item 3)
Materials/Parts
Solder (App E, Item 24)
Sleeve (Heat Shrink) (App E, Item 31)
Tags (App E, Item 16)
a. REMOVAL. Refer to Figure 3-54.
(1)
Open and lock cover (1) in place.
(2)
Open control panel (2).
(3)
Remove heat shrink (3) and tag wire leads (4) on variable resistor (5).
(4)
Unsolder and remove wire leads (4) from variable resistor (5).
(5)
Loosen two setscrews (6) in knob (7) and remove knob.
(6)
Remove nut (8), lockwasher (9), flat washer (10) and resistor (5) from control panel (2).
b. INSTALLATION.
(1)
Install resistor (5), flat washer (10), lockwasher (9) and nut (8) on control panel (2).
(2)
Install knob (7) on resistor (5) and tighten two setscrews (6).
NOTE
Heat shrink should be positioned one inch from wire end to avoid burning during
soldering.
(3)
Position heat shrink (3) on wire leads (4).
3-115
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