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 TM 55-1925-273-10-2
0137 00
Table 1. Preventive Maintenance Checks and Services Including Lubrication (continued)
ITEM INTERVAL MAN-
ITEM TO BE
PROCEDURE
EQUIPMENT
NO.
HOUR
CHECKED OR
NOT READY/
SERVICED
AVAILABLE IF:
POWER
If any part
WARNING
DISTRIBUTION
of this system
SYSTEM
fails.
(INCLUDING
24 VDC PANELS)
Electrical wiring, panels, and
components contain high voltages that
can cause severe injury or death.
NOTE
Electrical wiring checks and services
consist of visual inspections only.
Observe all CAUTION and WARNING
labels on electrical equipment.
101 Monthly
8.0
Wiring
a. Visually inspect all accessible wiring,
fuse terminal blocks, and connections.
b. Ensure that hardware and connections
are securely supported, clean and
undamaged.
c. Visually inspect cables and wiring
insulations. Ensure that insulation is
not worn, chafed, or damaged.
d. Visually inspect conduits and
shielding. Ensure that conduits are
securely supported and undamaged.
Ensure that all shielding is properly
grounded and not frayed.
102 Monthly
5.0
Panels
a. Inspect power and lighting panels,
Panel is not securely
motor controllers, and other electrical
mounted.
panels for secure mounting.
b. Visually inspect panel surfaces for
Panel has damage
damage.
that could affect
its operation.
103 Monthly
0.5
Indicators and
Check the main and auxiliary switchboards
Indicators or ground
Ground Detection
for proper operation of indicators and
detection circuits do
ground detection circuits.
not operate properly.
0137 00-45
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