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TM 5-4320-306-24
2-39. REPLACE FUEL TANK LINES AND FITTINGS (Continued)
INSTALLATION:
Install fuel lines (2 and 7) and fuel return line (10). Tighten male connectors (5), banjo bolts (6 and 8), and hose
fittings
BLEEDING FUEL SYSTEM:
WARNING
Death or serious injury could occur if diesel fuel oil is not handled
carefully. Use in a well-ventilated area away from open flame,
arcing equipment, ignition sources, heaters, or excessive heat.
Always store fuel in proper, marked containers. DO NOT SMOKE.
1
Loosen vent screw on top of fuel filter
cartridges (1) four complete turns.
2
Pump primer lever on fuel feed pump (2)
until all air is removed from fuel filter (1)
and fuel flows freely.
NOTE
The fuel feed pump is cam
driven. If high point of camshaft
cam is in contact with fuel feed
pump cam lever, fuel system
cannot be primed nor air bled
from fuel system using fuel feed
pump.
Crank
engine
until
pressure can be felt on fuel feed
pump primer lever.
3
Tighten vent screw on top of fuel filter
cartridges (1 ).
4
Loosen breather plug (3) on solenoid valve
(4), four complete turns.
5
Place START/STOP switch in START
position.
6 Press and hold in the OIL BY-PASS
switch.
7 Pump primer lever on fuel feed pump (2) until all air is removed from fuel filter (1) and fuel flows freely. Release OIL
BY-PASS switch after fuel flows freely.
8
Tighten breather plug (3) on top of solenoid valve (4).
2-137
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