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 TM 5-2010-205-14
Malfunction
Test or Inspection
Corrective Action
4. Hard Starting.
STEP 1. Check for loose connections on all fuel lines and for cracked, broken or restricted fuel lines.
If fuel lines are cracked, broken or restricted, replace lines.
If fuel line connections are loose, tighten all lines.
If fuel line connections are tight and fuel lines are not cracked or broken, proceed to Step 2.
STEP 2. Check for dirty fuel filter.
If dirty, install new fuel filter.
STEP 3. Check for faulty fuel injector assembly and linkage.
If fuel injector is faulty, notify Direct Support Maintenance.
If linkage is defective, repair or replace linkage.
If fuel injector or linkage is not defective, proceed to Step 4.
STEP 4. Check for defective fuel pump or drive.
If fuel pump is defective, replace fuel pump.
If fuel pump drive is defective, replace drive.
If fuel pump or drive is not defective, proceed to Step 5.
STEP 5. Perform a cylinder compression check on all cylinders.
If compression is low in any or all cylinders, notify Direct Support Maintenance
If compression is normal in all cylinders, proceed to Step 6.
STEP 6. Check for worn or defective valve guides or seals.
If valve guides or seals are worn or defective, notify Direct Support Maintenance.
If valve guides or seals are not worn or defective, notify Direct Support Maintenance.
5. Uneven Running or Frequent Stalling
STEP 1. Check for low fuel pressure. Make sure there is fuel in fuel tank.
If outlet pressure of fuel is 10 psi or more, proceed to Step 2.
STEP 2. Check for defective fuel injectors and linkage or injector timing.
If fuel injector is defective, notify Direct Support Maintenance.
4-8
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