TM 55-1930-209-14&P-19
Table 9-3. Preventive Maintenance Checks and Services for Electrical Power Systems(Continued)
B - Before
D - During
A - After
H - Hourly Interval
INTERVAL
ITEM
PROCEDURES
EQUIPMENT
ITEM
TO BE
CHECK FOR AND HAVE
IS NOT READY/
NO.
INSPECTED
REPAIRED OR ADJUSTED
AVAILABLE IF
B D A
H
AS NECESSARY
10
250 hrs
a. Change crankcase oil and oil filter
element.
1)
Run engine until oil is hot. Turn off
engine using engine STOP control
after running engine at idle for 5 min-
utes.
2)
Redtag auxiliary generator switch-
board panel indicating, "WARNING -
DO NOT ACTIVATE. REPAIRS
BEING MADE.
3)
Open valve bilge drain (BD) valve
BD1 8. Drain at least 1 pt of oil into
clean container for AOAP. Close valve
BD1 8. Send marked oil sample to
maintenance support unit for analysis.
4)
Using quick-disconnect coupling on
bilge drain BD1 8 on the SAG engine
crankcase, connect bilge utility hose.
5)
Connect other end of bilge utility hose
to bilge drain quick-disconnect cou-
pling near centerline in void 2 star-
board.
6)
Open engine bilge drain valve BD1 8
and set valves as follows:
(a) Open valves BD7 and BD11.
(b) Close valves BD1 thru BD6, BD8
thru BD10, and BD14.
7)
Start bilge pump by turning on bilge
pump controller. Controller is on void
2 starboard bulkhead above bilge
pump.
8)
When oil has been pumped out of
crankcase, simultaneously close valve
BD1 8 and turn off bilge pump.
9)
Disconnect bilge utility hose, clean,
and return to storage in void 5.
9-35
