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TM 5-4320-306-24
3-2. SYMPTOM INDEX
Refer to the symptom index below. Locate the malfunction which is the same, or most nearly the same, as the trouble
you are having with the centrifugal pump unit. The Symptom Index lists the first page of troubleshooting information for
that malfunction Follow the steps one by one, and perform the corrective actions listed.
Malfunction
Number
Description
Page
1
Engine fails to crank or cranks at low speed
3-3
2
Engine cranks but fails to start
3-3
3
Engine starts but runs unevenly, stalls, or surges
3-3
4
Engine stops running or produces black, white, or grey smoke
3-4
5
Engine consumes excessive lube oil
3-4
6
Engine oil pressure is low
3-5
7
Pump does not discharge or has low discharge pressure
3-5
8
Pump makes excessive noise
3-5
3-2
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