TM 10-4320-226-14
Table 5-1.
Direct Support Troubleshooting Table.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2.
ENGINE STARTS AND RUNS ERRATICALLY AFTER WARMUP.
Step 1.
Test fuel injection nozzles (paragraph 5.5.6).
Replace
Step 2.
Check
Replace
fuel injection nozzles (paragraph 5.5.7).
compression (paragraph 5.5.3).
engine (paragraph 5.5.1).
3.
NO OR LOW SUCTION OR DISCHARGE PRESSURE.
Step 1.
Inspect impeller.
Replace impeller (paragraph 5.6.2).
Step 2.
Inspect flexible coupling.
Replace flexible coupling (paragraph 5.6.3).
Step 3.
Inspect sleeve and rotating assembly.
a.
Repair sleeve and rotating assembly (paragraph 5.6.4).
b.
Replace centrifugal pump assembly (paragraph 5.6.1).
4.
CENTRIFUGAL PUMP NOISY.
Step 1.
Inspect impeller.
Replace impeller (paragraph 5.6.2).
Step 2.
Inspect flexible coupling.
Replace flexible coupling (paragraph 5.6.3).
Step 3.
Inspect sleeve and rotating assembly.
a.
Repair sleeve and rotating assembly (paragraph 5.6.4).
b.
Replace centrifugal pump assembly (paragraph 5.6.1).
5-4
