TM 5-3895-382-24
a.
Lucas fuel systems
Loosen the vent plug (1) on top of the fuel filter and
filter bases. Operate the priming lever on the bottom
of the fuel transfer pump (3) until fuel, which is free of
air, flows from the vent plug. Tighten the vent plug.
Illustration 45
Fuel filter and filter assemblies (Stanadyne Fuel System).
(1) Vent plug for the fuel filter (if equipped)
(2) Vent plug for the fuel filter
b.
Stanadyne fuel system
Loosen the vent plug (1) on top of the fuel filter base.
Operate the priming lever on the bottom of the fuel
transfer pump (3) until fuel, which is free of air, flows
from the vent plug. Tighten the vent plug.
Loosen the vent plug (2) on top of the fuel filter.
Operate the priming lever on the bottom of the fuel
transfer pump (3) until fuel, which is free of air, flows
from the vent plug. Tighten the vent plug.
NOTE:
If the drive cam of the fuel transfer pump is in the
position of maximum cam lift, the priming lever
will not operate. The crankshaft must be rotated
one revolution.
Illustration 46
(4) Nut for the fuel line to the air inlet heater
2.
If the fuel line for the air inlet heater has been drained,
loosen the fuel line nut (4) at the air inlet heater.
Operate the priming lever on the bottom of the fuel
transfer pump (3) until fuel, which is free of air, flows
from the fuel line. Tighten the fuel line nut (4) to a
torque of 22 Nm (16 lb-ft).
Illustration 47
(5) Nuts for the fuel line to the fuel injector nozzles
3.
Loosen the connections for the high pressure fuel lines
on two fuel injector nozzles. Operate the starting motor
until fuel, which is free of air, flows from the fuel line.
Tighten the fuel line nuts (5) to a torque of 22 Nom (16
Ib-ft).
NOTE:
Damage to the fuel injection pump, the battery,
and the starter motor can occur if the starter
motor is used excessively to purge the air from
the fuel system.
4.
The engine is now ready to start. If the engine stops or
if the engine runs roughly, check for air in the fuel
system. If air is in the fuel system, leakage in the low
pressure fuel system probably exists.
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