4-11. FUEL FILTERS REPAIR.
1 7/16-inch wrench
Torque wrench, 200 pound-
Long nose pliers
SUPPLIES : Solvent, dry cleaning, type II (SD-2) , Fed. Spec P-D-680
Fuel filter kit (for primary fuel filter)
Fuel filter kit (for secondary or
final fuel filter)
EQUIPMENT CONDITION :
Truck parked, engine off, handbrake set.
Take fuel filters out of truck.
Refer to para 4-10.
Disassembly of Primary Fuel Filter.
Before taking off fittings ( 1 and 2) , note their positions
so they will be put back at same angles.
Using 7/8-inch wrench, unscrew and take off two fittings ( 1 and 2) .
Using l-inch wrench, unscrew and take off sleeve nut (3) and gasket (4) .
Throw away gasket (4) .
Take off filter housing (5) and throw away filter head gasket (6) .
Lift out filter element (7) and throw it away.
GO TO FRAME 2