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Preventive Maintenance Checks and Services
Table 2-1.
S - Semiannually A - Annually
Q - Quarterly
D - Daily W - Weekly M - Monthly
Items To Be
Interval
Item
Procedures
Inspected/
No.
D
W
M
Q
S
A
Serviced
ELECTRICAL SYSTEM - CONT
l
Clean and Inspect Lighting and Power Distribution Panels.
Distribution
58
Panel
(1) Deenergize power supplies to distribution panel
Lighting
and tag "Out of Service - Do Not Operate."
(2) Open or remove access covers.
(3) Test with voltage tester to ensure electrical
circuits are deenergized.
(4) Vacuum panel; use dusting brush to loosen dirt.
(5) Inspect electrical and mechanical fasteners;
tighten loose connections. Use lockwashers or
jamnuts where necessary to keep connections tight.
NOTE
Step (6) applies to units having spray-
tight or drip-type shielding, with
gasket material beneath the shield
mounting bolts, to prevent the entry of
liquid spray contamination within the
unit.
(6) Inspect the rubber/neoprene gasket material for
damage, dry rot, or inadequate compression;
replace if necessary.


 


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