TM 55-1930-209-14&P-9-1
Table C-1. Preventive Maintenance Checks and Services for Electrical Power Systems (Continued)
B - Before
D - During
A - After
H - Hourly Interval
Interval
Procedures:
Equipment Is
Item
Item to be
Check for and have repaired
Not Ready/
No.
B D
A
H
Inspected
or adjusted as necessary
Available If:
NOTE
Cooling system has an anticorrosion zinc
anode in coolant heat exchanger. Do not
use water conditioner.
b. Check coolant in heat exchanger
(header) tank Level should be less than
1 in below bottom of neck opening. If
necessary, add clean fresh water to bring
to required level. If cap gasket is torn or
damaged, repair or replace gasket.
c. With engine idling, check that oil pressure
Oil pressure
gauge shows positive pressure. If not,
gauge does not
stop engine and report problem to shift
show positive
leader or bargemaster.
pressure.
d. With engine idling check that fuel pres-
Fuel Pressure
sure gauge on engine is normal (green)
gauge on engine
range. If not, report problem to shift
does not read
leader or bargemaster.
normal (green).
e. With engine idling check that coolant
Gauge does not
temperature gauge is registering. As
register or tem-
engine warms up, gauge should move to
perature exceed
higher reading. If gauge does not register
operating limits.
or H temperature exceeds operating lim-
its, stop engine and report problem to
shift leader or bargemaster.
2
Switchboard
a. Check that VOLTMETER reads 440 Vac.
Voltmeter does
Control Panel
if not report to shift leader or bargemaster.
not read 440
Vac.
b. Check that FREQUENCY METER reads
Frequency
60 Hz. If not, report to shift leader or
meter does not
bargemaster.
read 60 Hz.
c. Check that AMMETER reads 0. If not,
Ammeter does
report to shift leader or bargemaster.
not read 0.
d. In extreme humidity, check for condensa-
tion buildup which causes corrosion.
Apply low level heat for several hours as
soon as condensation becomes notice-
able.
C-26
