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 TM 5-1940-277-20
TM 1940-20/2
TOOLS: 6 In. Crosstip Screwdriver
1/4 In. Open End Wrench
Adjustable Wrench
Nut Driver Set
PARTS/MATERIALS: Switch Panel Unit 2
REMOVE:
1.
Switch master switch off (refer to paragraph 1-17).
2.
Open access panel door under control console. (Refer to paragraph 3-154).
Using crosstip screwdriver, remove four screws (1) that secure junction box unit 2 cover to junction box (2) and re-
3.
move the cover.
4.
Using crosstip screwdriver, remove four screws (3) that secure junction box unit 1 cover to junction box (4) and re-
move the cover.
At junction box unit 1 (4), use open end wrench and adjustable wrench to loosen and unscrew cable glands (5) where
5.
+ and - power leads (6) from switch panel unit 2 (14) enters junction box unit 1 (4).
Use nut driver to remove switch panel unit 2 (14) + and - power leads (6) from junction box terminals (7) then remove
6.
power leads from junction box unit 1 (4).
7.
At junction box unit 2 (2) use open end wrench and adjustable wrench to loosen and unscrew cable glands (8)
for cable harness (9), (10) and (11) then tag and disconnect all cable harness leads from quickdisconnect recep-
tacles (12).
8.
Pull cable harnesses from junction box unit 2 (2).
9.
Using crosstip screwdriver, remove 12 screws (13) that secure switch panel unit 2 (14) to console.
10.
Remove switch panel unit 2 (14) with cable harnesses and power leads from console opening.
3-111
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