TM 5-3805-261-23-1
ENGINE TROUBLESHOOTING PROCEDURES - CONTINUED
0006 00
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
9. Not Enough Power -
Continued.
WARNING
When opening fuel system, do not look directly at fitting. Fuel is
under pressure. Wear eye protection. Failure to follow this warning
may cause injury to personnel.
3.
Check the fuel injection nozzles. Run
If loosening a fuel line nut does not make
the engine at an RPM that causes
a difference, replace injection nozzle (WP
roughness. Loosen a fuel line nut on
0278 00). If the problem still exists, go to
the injection nozzle of each cylinder
Test 4.
one at a time, then tighten (WP 0278
00).
4.
Check for air in fuel system.
Bleed injection lines (WP 0032 00). If the
problem still exists, go to Test 5.
5.
Check for bad fuel (TM 5-3805-261-
Drain bad fuel (TM 5-3805-261-10).
10). Bad fuel will have a milky-white
Bleed injection lines (WP 0032 00).
color.
Replace fuel filters (WP 0045 00, WP
still exists, go to Test 6.
6.
Inspect air cleaner. Check to see if red
Replace primary element (WP 0037 00).
"service" indicator is showing (TM
If the problem still exists, go to Test 7.
5-3805-261-10).
7.
Inspect turbocharger exhaust and
Replace entire unit if defective (WP 0283
inlet couplings for misalignment,
00).
leaks, carbon deposits, and other
causes of friction.
1.
Check the pulley and vibration
1.
If the bolt or nut holding the vibration
10. Too Much Vibration.
damper mounting, bolt and nut (WP
damper pulley is loose, tighten (WP
0271 00).
0271 00).
2.
If bolt and nut are tight, go to Test 2.
2.
Check the pulley and vibration
1.
If the pulley or vibration damper are
damper, for damage (WP 0271 00).
damaged or defective, replace (WP
0271 00).
2.
If bolt and nut are tight, go to Test 3.
3.
Check the engine supports for
If the engine mounting or hardware is
damage or loose hardware (WP 0268
loose, damaged or defective, tighten or
00).
replace (WP 0268 00).
