TM 5-3805-281-24-2
Air Intake and Exhaust System
Problem
Possible Cause
Suggested Remedy
Oil and/or Excessive Carbon
Internal engine failure.
Verified by oil in turbine housing. Correct as required.
Turbine seal failure.
Inspect for excessive heat from overfueling and/or
restricted air intake.
Prolonged periods of low rpm engine
Ask operator to run engine under load or at a higher
idling.
rpm (See Operator's Manual).
Restricted oil drain line.
Inspect and clear oil drain line as required.
EXTERNAL CENTER HOUSING AND JOINT DEFECTS
Leaks from Casting
Defective casting.
Replace turbocharger (this group).
Defective gasket.
Verify if leaks are occurring at gasket joints.
Leaks from Joints
Loose attaching screws.
Tighten to specifications in CTM (this group).
Defective gasket.
Inspect and repair as required.
INTERNAL CENTER HOUSING DEFECTS
Excessive Carbon Build-Up in Housing or
Hot engine shutdown.
Review proper operation with operator as shown in
on Shaft
operator's manual.
Excessive operating temperature.
Restricted air intake; overfueling or mistimed engine.
Restricted oil drain line.
Inspect and clean oil drain lines as required.
Operating engine at high speeds and
Idle engine for a few minutes to allow oil to reach
loads immediately after start-up.
bearings before applying heavy loads.
RG,RG34710,1258
1923OCT973/3
11-328
