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TM 9-2350-238-20-1
Table 2-3. UNIT TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 12.
Check air cleaner centrifugal fans (both forward and aft) for operation.
If not operating, check air cleaner blower ground leads for bad
a.
connection. Clean ground connections with crocus cloth (item 10,
appx C). Tighten ground connections.
If still not operating, troubleshoot air cleaner blower circuit. Refer to
b.
Electrical Circuit Symptom Index, page 2-92.
Check for plugged engine intake air duct.
Step 13.
Clean, repair, or replace as required. Refer to page 2-457.
Step 14. Check for plugged or damaged intake air separators.
Clean, repair, or replace as required. Refer to page 2-446.
Step 15. Check for plugged turbocharger air intake duct and screen.
Clean, repair, or replace as required. Refer to page 2-459 or page
Step 16. Check operation of air box heater by feeling air box heater on top of engine.
If air box heater is not warm, troubleshoot air box heater. Refer to
a.
b. If air box heater is warm, notify direct support maintenance.
Step 17. Check turbocharger regulator for damaged bypass valve.
If bypass valve is damaged, notify direct support maintenance.
Step 18. Check for faulty engine parts.
If problem exists, notify direct support maintenance.
4.
ENGINE DOES NOT DEVELOP FULL POWER, RUNS UNEVENLY, STALLS, OR LABORS.
Step 1.
Check brakes for proper adjustment.
Adjust as required. Refer to page 2-820.
2-53

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