TM 55-1930-209-14&P-9-1
Table C-1. Preventive Maintenance Checks and Services for Electrical Power Systems (Continued)
B - Before
D - Daily
Q - Quarterly
D - During
W - Weekly
S - Semiannually
A - After
M - Monthly
A - Annually
Interval
Procedures:
Equipment Is
Item
Item to be
Check for and have repaired
Not Ready/
No.
B D
A
D W M Q S A
Inspected
or adjusted as necessary
Available If:
EMERGENCY
ELECTRICAL
POWER
SYSTEM
WARNING
Fumes from battery electrolyte may be
flammable and explosive. DO NOT smoke or
have open flames when checking elec-
trolyte, or when working on battery bank.
Avoid contact with eyes and skin. Wear
safety glasses, gloves, and rubber aprons
when handling electrolyte. Electrolyte Is
highly toxic to skin, eyes and respiratory
system and can cause severe burns.
1
•
•
•
Batteries
a. Check batteries in bank for proper elec-
Electrolyte level
trolyte level. Add distilled water or dean.
low.
water to bring level above plates.
•
b. Check that battery bank is secure and
that electrical cable fittings are tight and
coated with anti-corrosion grease. Cor-
rect as necessary.
•
c. Check for damage and loose fittings,
Fittings, wires
wires and fasteners. Replace or tighten
and/or fasteners
as necessary.
damaged or
loose.
•
d. Wipe all battery components clean.
•
e. Replace defective status lamps.
•
f.
Check electrolyte level daily and make
sure It covers plates in each cell of all
batteries.
•
g. Visually check for loose or damaged
Cables loose or
cabling. Make sure cabling is firmly
damaged.
attached, tree of corrosion, and not sub-
ject to rubbing or chafing.
•
h. Check for loose or damaged electrical
Electrical
connections, switches, wiring, mounting
connections,
system, hangers, and insulating mate-
switches, wiring,
rial. Repair, replace, or tighten as neces-
and mounting
sary using insulated tools.
systems lose
or damaged.
C-6
