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TM 5-2410-233-23
TROUBLESHOOTING PROCEDURES - CONTINUED
0006 00
Table 1. Engine Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Check air cleaner for air Clean air inlet and service air
6.
Engine Starts But Fails to Keep Running.
restriction.
cleaner filter elements (WP 0042
2. Check fuel for water or
a. Remove primary fuel filter 1. Drain fuel system.
case. If case is 1/4 full of 2. Replace fuel filters (WP 0055
water, or if dirt is evident,
3. Fill fuel tank with correct fuel
fuel is contaminated.
(TM 5-2410-233-10).
4. Prime fuel system (WP 0038
b. Disconnect  fuel  lines 1. Clean lines with compressed
air or sturdy wire. Reconnect
between tank shutoff valve
fuel lines (WP 0050 00).
and primary fuel filter (WP
0049 00) and check for 2. Replace fuel filters (WP 0055
clogs and obstructions.
3. Prime fuel system (WP 0038
3. Inspect  fuel  lines  and 1. If leak is at a connection,
connections
for
leaks,
tighten connection.
obstructions and damage.
2. Replace damaged fuel lines
4. Check fuel pressure at gage on Replace gage (WP 0168 00)
filter base. Fuel transfer pump
should
supply
enough
pressure so that gage reads in
green zone at idle.
5. Check for 25 psi (172 kPa) Replace transfer pump (WP 0039
minimum at full load and 30 00).
psi (207 kPa) minimum at
high idle.
6.
7. Check engine low idle speed. Adjust governor low idle RPM
8. Perform cylinder cutout test Replace  nozzle  for  suspect
cylinder (WP 0037 00).
9. Check for defective or leaking Replace fuel pump assembly (WP
fuel injection pump(s).

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