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TM 10-4320-324-14
Table 4-2. Troubleshooting CONT.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ENGINE ASSEMBLY (CONT)
2.
ENGINE CRANKS BUT WILL NOT RUN (CONT).
Step 2. Check for correct installation of each fuel shut-off valve handle.
Remove plug or elbow from valve and with a flashlight look down into valve for passages while
rotating handle. Valve handle pointer positions and valve internal passages must agree with
decal.
Remove and aline handle as required.
Replace plug or elbow.
Step 3. Inspect for broken fuel lines or hoses and loose fittings.
Refer to paragraph 4-41 and replace broken fuel lines or hoses.
Tighten all fuel line connections.
Step 4. Check for loose, broken, frayed, or damaged wires between fuel shutdown solenoid, low oil pressure
switch and v-belt contact switch. Replace or repair wires as required.
Step 5. Test fuel shutdown solenoid, low oil pressure switch, V-belt contact switch and oil pressure bypass
switch.
Refer to paragraph 4-40 and test shutdown solenoid.
Refer to paragraph 4-54 and test low oil pressure switch.
Refer to paragraph 4-37 and test V-belt contact switch.
Refer to paragraph 4-57 and test oil pressure bypass switch.
Step 6. Inspect for blocked or damaged fuel filter.
Refer to paragraph 4-43 and replace filter and bleed fuel system.
If in winter replace filter, bleed fuel system, and use winter-grade fuel.
4-11
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