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Page Title:
Table 2-2. Troubleshooting - CONT |
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 TM 55-1905-223-24-4
Table 2-2. Troubleshooting - CONT
Malfunction
Test or Inspection
Corrective Action
STEP 4.
Check for inadequate intake of air.
Replace air cleaner (para. 2-25); check ducts for obstruction, PMCS, Item 16.
STEP 5.
Check for air/exhaust leak at turbocharger.
Correct leak, PMCS, Item 19.
STEP 6.
Check for exhaust restriction.
Remove obstructions from exhaust piping.
STEP 7.
Check to see if fuel pump is not getting adequate fuel or fuel being aerated.
a.
Check fuel flow. Refer to Malfunction 2, Item 6.
b.
Bleed fuel system. Refer to PMCS, Item 12.
STEP 8.
Check for restricted fuel drain manifold.
a.
Visually inspect return lines for obstructions or restrictions.
b.
Clean or replace lines (para. 2-30).
STEP 9.
Check for poor quality fuel.
Drain, clean and replenish with fuel.
STEP 10. Check to see if turbocharger malfunctioning.
Inspect/replace turbocharger (para. 2-26).
STEP 11. Check for incorrect valve set.
Adjust valves, PMCS, Item 17.
STEP 12. Check for malfunctioning injectors.
Replace injectors (para. 2-39).
STEP 13. Check for malfunctioning fuel pump.
Refer to Malfunction 2, Step 7.
10. Excessive exhaust smoke under load.
STEP 1.
Check for excessive load on engine.
Verify that the rating of the generator set is not being exceeded.
STEP 2.
Check to see if engine is running too cold (whitesmoke).
Refer to "Engine running too cold," Malfunction 12.
STEP 3.
Check for correct fuel pump timing.
Verify fuel pump timing marks are aligned (para. 2-32).
2-27
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