TM 55-1930-209-14&P-8
Table 4-1. Fuel Oil System Troubleshooting (Continued)
Condition
Possible Cause
Suggested Action
b. Pump malfunctioning
b. Troubleshoot
pump per TSM000.
pages 58,
Appendix B
c. Pump controller malfunc-
c. Troubleshoot
tioning
controller as
described in
TM 55-1930-209-14&P-9
d. FO valve(s) 9, 10, 21 or 22
d. Open valve(s)
closed
e. Fuel filter clogged
e. Clean or replace
filter
f. Fuel oil line or check
f. Isolate and
valve clogged
clear or repair line
or check valve
3. Fuel will not transfer
a. Fuel oil transfer pump cir-
a. Close circuit
from both tanks
cuit breaker 2P5 on power
breaker
panel 1 open (OFF)
b. Pump malfunctioning
b. Troubleshoot pump
per TSM000 pages
5-8, Appendix B
c. Pump motor controller
c. Troubleshoot
malfunctioning
controller as
described in
TM 55-1930-209-14&P-9
d. FO valve(s) 8, 9, 10, 21
d. Open valve(s)
and/or 22 closed
e. Fuel filter clogged
e. Clean or change
filter
f. Fuel oil line or check
f. Isolate, clear,
valve clogged
repair line or
check valve
C. Transferring fuel oil from day tank to diesel engines (paragraph 3-3.3):
1. Fuel will not transfer
a. FO valve(s) 16, 19 or 23
a. Open valve(s)
to SSG1
closed
b. Shutdown system off
b. Turn on
c. Supply line clogged
c. Unclog line
or damaged
or repair
2. Fuel will not transfer
a. O valve(s) 17, 19 or 24
a. Open valve(s)
to SSG2
closed
4-4
