TM 55-1930-209-14&P-8
Table 4-1. Fuel Oil System Troubleshooting (Continued)
Condition
Possible Cause
Suggested Action
c. Pump motor controller
c. Troubleshoot
malfunctioning (loose
controller as
wiring, broken connectors)
described in
TM 55-1930-209-14&P-9
d. FO valve(s) 9,10, 22,
d. Open valve(s)
30 and/or 31 closed.
e. Fuel filter clogged
e. Clean or change
filter
f. Fuel oil line or check
f. Isolate and clear
valve clogged or
or repair clogged
damaged line or check
valve
3. Fuel oil will not drain
a. Fuel oil transfer pump
a. Close circuit
from day tank
circuit breaker 2P5
breaker
on power panel
1 open (OFF) or P5 on
switchboard open (OFF)
b. Pump malfunctioning
b. Troubleshoot pump
per TSM000, pages
5-8, Appendix B
c. Pump motor controller
c. Troubleshoot
malfunctioning (loose
controller as
wiring, broken connectors,
described in
etc.)
TM 55-1930--209-14&P-9
d. FO valve(s) 9, 10, 22, 30
d. Open valve(s)
and/or 31 closed (Note:
Valve FO 30 installed on
Barges 2 and 3 only)
e. Fuel filter clogged
e. Clean or change filter
f. Fuel oil line or check
f. Isolate and clear
valve clogged or
or repair clogged
damaged line or check
valve
_________________________
CAUTION
When performing maintenance, be sure to observe precautions listed In this TM and In
manufacturers' manuals and Instructions.
a. Always use new seals and gaskets before reassembling components disassembled for repair. Be sure to only use
seals and gaskets same as the original. Always install carefully, so as not to damage seals and gaskets during
assembly.
b. When replacing any O-rings, make certain all surfaces are completely clean and free of dirt, grit and foreign material.
Prior to installation, apply a thin coat of silicone grease to the O-ring for ease of assembly. It -ring must be installed
over threads, sharp corners, or edges, protect -ring by applying tape over threads, sharp corners, or edges.
c. When replacing gaskets, make sure all mating surfaces are clean and free of old gasket material, adhesive, oil, or
grease to ensure a leakproof joint.
4-8
