FUEL SYSTEM TROUBLESHOOTING AND MAINTENANCE PROCEDURES. (cont.)
TEST OR INSPECTION
ENGINE LACKS POWER.
Step 1. Check for air in fuel system. Refer to paragraph 6-15.
Bleed injection lines. refer to paragraph 6-15.
Step 2. Check for bad fuel. If bad, fuel will have milky-white color. Refer to TM 10-3805-261-10.
Drain bad fuel. Refer to TM 5-3805-261-10. Replace fuel filters. Refer to paragraphs 6-25 and 6-26. Bleed
injection lines. Refer to paragraph 6-15.
Step 3. 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
Step 4. Inspect turbocharger (Figure 6-30). Check for carbon deposits or other causes of friction.
Replace the entire unit if defective. Refer to paragraph 6-20.
Step 5. Contact Direct Support.