TM 5-3805-261-20
FUEL SYSTEM TROUBLESHOOTING AND MAINTENANCE PROCEDURES.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
f.
ENGINE MAKES TOO MUCH BLACK OR GREY SMOKE.
Step 1. Inspect air cleaner. Check to see if red "service" indicator is showing. Refer to TM 5- 3805-261-10.
Clean primary element. Refer to Chapter 2. Replace primary element after six cleanings, or at least once a
year.
Step 2. Contact Direct Support.
g.
ENGINE MAKES TOO MUCH WHITE OR BLUE SMOKE.
Step 1. Check for excess lubrication oil in engine. Refer to TM 5-3805-261-10.
Drain excess lubrication. Refer to TM 5-3805-261-12.
Step 2. Note if engine runs roughly or misfires. Refer to MALFUNCTION b.
Step 3. Inspect turbocharger (Figure 6-30). Check inlet line for oil.
Figure 6-30.
If no oil is found in inlet line--replace turbocharger oil lines. Refer to paragraph 6-10.
Step 4. Contact Direct Support.
6-45
