ARMY TM 9-6115-464-12
AIR FORCE TO 35C2-3-445-1
NAVY NAVFAC P-8-624-12
(4) Installation.
(a) lf removed, install nut (85). install key washer (84, Figure 4-38, sheet 2 of 3), voltage sensing
switch (83), tooth lockwasher (82), and nut (81).
(b) Connect electrical leads to voltage sensing switch.
t.
Panel Light Switch.
(1) Removal.
(a) Tag and disconnect electrical leads to switch.
(b) Remove nut (86, Figure 4-38, sheet 2 of 3) and tooth lockwasher (87) to remove switch (88) and
key washer (89).
(c) Do not remove nut (90) from switch.
(2) Cleaning and Inspection.
(a) Clean switch with filtered compressed air and a soft bristle brush or wipe with a clean, lint-free
cloth lightly moistened with an approved solvent.
(b) Visually inspect switch for cracked casing, corrosion, stripped or otherwise damaged threads,
and evidence of shorting or other damage.
(3) Testing.
(a)
(b)
(c)
(d)
(e)
Place switch in OFF position (lever toward mounting post key way).
Using an ohmmeter, check for open circuit across switch terminals.
Place switch in ON position (lever away from key way).
Check for continuity across switch terminals.
Replace switch if it fails to function properly.
(4) Installation.
(a) Install key washer (89, Figure 4-38, sheet 2 of 3), panel light switch (88), tooth lockwasher (87),
(b) Connect electrical leads to panel light switch.
u.
Circuit Breaker Switch.
(1) Removal.
(a) Tag and disconnect electrical leads to switch.
(b) Remove nut (91, Figure 4-38, sheet 2 of 3) and tooth lockwasher (92) to remove switch (93)
and key washer (94).
(c) Do not remove nut (95) unless inspection reveals damage and replacement is necessary.
(2) Cleaning and Inspection
(a) Clean switch with filtered compressed air and a soft bristle brush or wipe with a clean, lint-free
cloth lightly moistened with an approved solvent.
(b) Visually inspect switch for cracked casing, corrosion, stripped or otherwise damaged threads
and evidence of shorting or other damage.
(3) Testing.
(a) Place switch in OPEN position (lever toward mounting post key way).
(b) Using an ohmmeter, check for continuity between terminals 1 and 2 and between terminals 4 and
5 (figures FO-1 and FO-2).
4-97
