TM-9-2320-361-24-1 Field Maintenance Manual Volume 1 for M44A2 Series Trucks
Page 154 of 1176
TM 9-2320-361-24-1 0008 00 0008 00-26 MECHANICAL SYSTEMS TROUBLESHOOTING - DIRECT SUPPORT (Contd) MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION WARNING Diesel fuel is flammable. Do not perform fuel system troubleshooting procedures near open flame, sparks, or electricity. Injury or death to personnel may result. 1. FUEL WILL NOT PUMP FROM COMPARTMENTS OR PUMPS SLOWLY 1. Check transfer case power takeoff operation. 2. Check discharge valve operation for selected compartment. 3. Check delivery pump operation. If transfer case power takeoff operation is not operating properly, perform WP 0008 00, table 9 malfunction 2. 1. If discharge valve operation is defective, remove and inspect discharge valve internal components (WP 0265 00). 2. If discharge valve components are defective, replace components (WP 0265 00). 1. If delivery pump screen and filter separator are not restricted, remove and inspect delivery pump internal components (WP 0280 00). 2. If delivery pump internal components are defective, replace components (WP 0280 00). 2. FUEL WILL NOT GRAVITY DRAIN FROM SELECTED COMPARTMENTS Check discharge valve operation for selected compartment. 1. If discharge valve operation is defective, remove and inspect discharge valve internal components (WP 0265 00). 2. If discharge valve components are defective, replace components (WP 0265 00). 3. FUEL TANK COMPARTMENT CANNOT BE SUCTION FILLED 1. Check transfer case power takeoff operation. 2. Check delivery pump operation. If transfer case power takeoff operation is not operating, refer to WP 0008 00, table 9, malfunction 2. 1. If delivery pump screen and filter separator are not restricted, remove and inspect delivery pump internal components (WP 0280 00). 2. If delivery pump internal components are defective, replace components (WP 0280 00). Table 10. Fuel Tank Troubleshooting Procedures.