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 TM 55-1905-223-24-5
Table 2-2. Troubleshooting-CONT
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
b.
Refer to Malfunction 21, STEP 3.
STEP 13.
Check to see if fuel rate low, fuel pressure high, and turbocharger pressure OK or low.
a.
Check for defective injector.
b.
Refer to Malfunction 21, STEP 3.
STEP 14.
Check to see if fuel rate low, fuel pressure OK, and turbocharger pressure high. Replace
turbocharger (para. 2-26).
STEP 15.
Check to see if fuel rate low, fuel pressure OK and turbocharger pressure low.
a.
Check for defective injector.
b.
Refer to Malfunction 21, STEP 3.
STEP 16.
Check to see if fuel rate OK, fuel pressure OK, and turbocharger pressure low.
a.
Check intake air restrictions (Refer to Malfunction 14, STEP 3).
b.
Replace turbocharger (para. 2-26).
STEP 17.
Check to see if fuel rate OK, fuel pressure high, and turbocharger pressure OK. Check
for restrictions in fuel pressure lines.
STEP 18.
Check to see if injectors are seated. Secure holddown capscrews (para. 2-34).
STEP 19.
Check to see if injectors are carboned. Replace injectors (para. 2-34).
STEP 20.
Check to see if injectors(s) are stuck. Make-sure rocker lever, injector link action is
correct (para. 2-34).
STEP 21.
Check for defective fuel pump. Refer to Malfunction 17, Steps 5, 8.
25. Exhaust smoke excessive under load.
STEP 1.
Check intake air system for restrictions. Refer to Malfunction 14, STEP 3.
STEP 2.
Check to see if turbocharger wheel is rubbing. Replace turbocharger (para. 2-26).
STEP 3.
Check for intake air leaks between turbocharger and cylinder head. Clear air leaks (para.
2-49
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