TM 55-2090-201-14&P
3-3. OPERATORS TROUBLESHOOTING PROCEDURES (Continued).
Table 3-2.
Operators Troubleshooting Chart for Oil-Water Separator,
Type A and B
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
Unable to discharge water overboard or water discharge valve
remains closed.
Step 1.
Step 2.
Step 3.
Step 4.
Step 5.
Step 6.
valve closes before sufficient oil is discharged or
2.
Oil discharge
remains open and allows oil level to drop too low in sight glass.
NOTE
Are switches ON?
Place auto control and supply pump
switches in ON position.
Inspect for defective fuse.
Replace fuse per paragraph 3-7.
Inspect for loose electrical connections.
Tighten with switch OFF.
Test for defective mini-probe.
Refer to table 3-4
or 3-5, test procedures 2 and 3.
Replace defective mini-probe per para-
graph 3-46.
Test for defective solenoid on water discharge
valve.
Refer to table 3-4 or 3-5, test procedure
4.
Replace defective solenoid per paragraph
3-46.
Test for defective transistor on circuit board.
Refer to table 3-4 or 3-5, test procedure 2 and 3.
Replace defective circuit board per para-
graph 3-14.
Evacuate defective circuit
board to General Support Maintenance.
Too low is below point mini-probe is installed
on vessel.
3-6
