TM9-2815-226-34-1 - JATONKAM35s HOME ON THE WEB

TM 9-2815-226-34-1Table 2-1. TROUBLESHOOTING PROCEDURES (Cont)MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION7. EXCESSIVE WHITE SMOKE AT IDLE.Step 1. Check for stuck open thermostat.Replace thermostat (TM 9-2320-281-20).Step 2. Check for incorrect valve and injector timing.Time valves and injectors (para 3-94).Step 3. Check for cracked injector body or cup.Replace defective injector (para 3-6 and 3-94).Step 4. Check injectors for proper flow adjustments.Test and adjust injectors (para 3-75).8. EXCESSIVE SMOKE UNDER LOAD.Step 1. Check for defective baffles in muffler or severely distorted exhaustpiping creating high back pressure.Replace muffler or defective piping (TM 9-2320-281-20).Step 2. Check for dirty turbocharger compressor.Clean compressor (para 3-86).Step 3. Check for blown or leaking head gasket(s).a. Retorque head bolts (table 3-3).b. Replace defective gasket(s) (para 3-6 and 3-94).Step 4. Check for plugged injector spray holes.Clean injector (para 3-73).Step 5. Check for cracked injector body or cup.Replace defective injector (para 3-6 and 3-94).28