Table 3-6. Unit Troubleshooting Table. -- Continued
Test or Inspection
LOW FUEL PRESSURE OR NO FUEL DELIVERY.
No smoking, flames, sparks, or glowing or hot objects are allowed within 50 ft. (15 m) of vehicle.
Fire or explosion may cause personal injury or death.
Fuel and oil are slippery and can cause falls. To avoid injury, wipe up spilled fuel or oil with rags.
To prevent possible injury, wear gloves and protective eye equipment when handling fuel. Failure
to comply may result in injury or death to personnel.
Check fuel tank (1) to ensure correct grade of fuel is in tank.
If fuel is incorrect grade, drain fuel tank (1) and flush supply lines (Para 7-7).
Check fuel breather (2) for blockage.
If fuel breather (2) has blockage, remove blockage and clean breather (Para 7-6).
If blockage is severe or fuel breather (2) is damaged, replace fuel breather (Para 7-6).
Check fuel supply hose (3) for blockage.
Clean or replace fuel supply hose (3) as necessary (Para 7-7).
Check output side of primary fuel filter (4) for blockage.
Replace primary fuel filter (4) as necessary (Para 7-5).
Check output side of secondary fuel filter (5) for blockage.
Replace secondary fuel filter (5) as necessary (Para 7-5).
If fault continues, notify Direct Support Maintenance (Appendix L).