Table 9-3. Preventive Maintenance Checks and Services for Electrical Power Systems(Continued)
Q - Quarterly
S - Semiannually
A - Annually
CHECK FOR AND HAVE
IS NOT READY/
REPAIRED OR ADJUSTED
B D A D W M Q S A
electrical components. Solvents may
leave a greasy film that reduces
c. Check components such as panel cov-
ers, housing, and metal surfaces for rust
corrosion, and worn or chipped paint.
Use a wire brush to remove rust and cor-
rosion and paint with zinc chromate
primer and finish to match surrounding
area in acordance with TB 43-0144. Do
not paint threads or labels.
d. Check engine failure lights by using
PRESS-TO-TEST button. If lamps do not
light, change bulbs when generator being
operated is off-line.
internal portions of electrical system.
Solvents often leave a greasy film on
components that may reduce electrical
1) Clean electrical equipment. Avoid
damaging insulation, mounting sys-
tem, and hardware, or impairing elec-
trical properties of item being cleaned.
2) Vacuum internal portions of switch-
board, power panels, electrical con-
trollers, inverters, battery chargers,
and receptacles. Vacuum grit, iron
dust, and copper particles from
3) Wipe dirt from external surfaces of
electrical equipment with dry cheese-
cloth or, if necessary, with a damp
soapy cloth. Wipe dry.