TM 55-1930 209 14&P-91
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
Every 125 hours of operation or every 3
months (whichever comes first).
125 hrs
b. Check zinc anode (zinc pencil) in power
end of heat exchanger on right side of
engine. Unscrew cover. Remove anode
and compare to new anode. N 50 percent
or more has been consumed, replace
anode.
125 hrs
c. Check engine for oil, fuel, coolant, and
Class III leaks. Sea water leaks. Tighten
as
necessary.
•
125 hrs
d. Check exterior of engine for loose
screws, nuts, bolts. fittings, and attach-
ments. Tighten as necessary.
•
125 hrs
a. Check connections to generator and
Connections are
make sure they are tight, but not rubbing
rubbing or are
or frayed. Correct as necessary.
frayed.
f. Remove red tag from SSG switchboard
panel.
250 hrs
NOTE
Every 250 hours of operation or every 6
months (whichever comes first).
9
250 hrs
a. Change crankcase oil and oil filter element.
1) Run engine until oil is hot. Turn off engine
using engine STOP con
2) Red tag auxiliary generator switch board
panel indicating. 'WAR
3) Open valve bilge drain (BD) valve BD18.
Drain at least 1 pt of oil
4) Using quick-disconnect coupling on bilge
drain BD18 on the SAG
5) Connect other end of bilge utility hose to
bilge drain quick-discon
C-34
