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TM 10-4320-324-14
Section IV. TROUBLESHOOTING
4-8. General.
This section contains troubleshooting information for locating and correcting the common malfunctions that may be
encountered during the operation or maintenance of the 350 GPM Pumping Assembly or its components.
4-9. Troubleshooting Table.
To troubleshoot the 350 GPM Pumping Assembly, refer to Table 4-2, Troubleshooting.
a.
Each malfunction for an individual component, unit or system is followed by a list of tests or inspections that will
help in determining corrective actions to take. Perform the tests/inspections and corrective actions in the order
listed.
b.
This manual cannot list all malfunctions that may occur, nor all tests or inspections and corrective actions. If a
malfunctions is not listed or is not corrected by listed corrective action, notify the appropriate supervisor.
Table 4-2. Troubleshooting
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ENGINE ASSEMBLY
1.
ENGINE FAILS TO CRANK.
Step 1. Inspect electrolyte in batteries.
Refer to paragraph 3-6 and, if fluid is low, refill with water.
Step 2. Check for loose or corroded terminals on battery and starter.
Refer to paragraph 4-30 and clean and tighten terminals.
Step 3. Check for broken or frayed cables on battery and starter.
Refer to paragraph 4-30 and replace cables.
Step 4. Check for broken or frayed wires between alternator and voltage regulator.
Repair wires as necessary.
Step 5. Visually inspect wiring harness for corroded or dirty connections, broken, frayed, or damaged wires.
Polish and clean connections and repair wiring harness as necessary.
4-9
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