TM 5-2420-230-24-2
B3.9 and B5.9 Series Engines
Fuel Supply Lines (006-024)
Section 6 - Injectors and Fuel Lines - Group 06
Page 6-19
10 mm
Open the bleed screw.
Operate the hand lever until the fuel flowing from the fitting
is free of air.
Tighten the bleed screw.
Torque Value: 9 Nm
[80 in-lb]
Injection Pumps - Venting
Air/fuel can be vented from the illustrated vent locations on
the Nippondenso EP-9 and the Lucas CAV fuel injection
pumps. The Lucas CAV fuel injection pump requires that
the fuel solenoid valve be energized before venting.
Loosen the vent screw, and operate the priming lever on the
fuel transfer pump until the fuel injection pump is primed.
Tighten the vent screw.
Torque Value: 9 Nm
[80 in-lb]
CAUTION
It is necessary to turn the keywitch to the ON position.
Because the engine can start, be sure to follow all
safety precautions. Use the normal engine starting pro-
cedure.
CAUTION
When using the starting motor to vent the system, do
not engage it for more than 30 seconds, or starter dam-
age will occur. Wait 2 minutes before starting the en-
gine again.
Air can also be vented through the fuel drain manifold line
by operating the starting motor.
L-989
