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4. If the fuel line for the air inlet heater starting aid
has been drained, loosen nut (5). Observe the
connection at the flare nut. Operate the priming
lever on the fuel priming pump until the fuel is
free of air.
5. Tighten nut (5) to a torque of 6 N·m (53 lb in).
Illustration 40
High pressure pipes
Note: Damage to the fuel injection pump, to the
battery, and to the starter motor can occur if the
starter motor is used excessively to purge the air
from the fuel system.
6. Loosen flare nuts (6) for the high pressure fuel
lines on all of the fuel injection nozzles.
NOTICE
Do not crank the engine continuously for more than
30 seconds. Allow the starting motor to cool for two
minutes before cranking the engine again.
7. Observe the connection at the flare nut. Refer
to the above "NOTICE" and operate the starting
motor until the fuel is free of air.
8. Tighten flare nuts (6) to a torque of 27 N·m
(20 lb ft).
9. The engine is now ready to start. Operate the
engine at low idle for a minimum of five minutes
immediately after air has been removed from the
fuel system.
Note: Running the engine for this period of time will
help ensure that the pump is completely free of air.
This document has been printed from SPI². Not for Resale
Fuel System Primary Filter/Water Separator - Drain
Fuel System Primary
Filter/Water Separator - Drain
Fuel leaked or spilled onto hot surfaces or elec-
trical components can cause a fire. To help pre-
vent possible injury, turn the start switch off when
changing fuel filters or water separator elements.
Clean up fuel spills immediately.
The water separator is not a filter. The water separa-
tor separates water from the fuel. The engine should
never be allowed to run with the water separator more
than half full. Engine damage may result.
g00998751
The fuel filter/water separator (if equipped) is not
usually supplied by Perkins. The following text
describes a typical fuel filter/water separator. Refer
to the OEM information for further information on the
fuel filter/water separator.
Illustration 41
(1) Cap
(2) Locking ring
(3) Element
(4) Water separator bowl
(5) Drain
1. Open drain (5). Catch the draining water in a
suitable container. Dispose of the drained water
properly.
2. Close drain (5).
The water separator is under suction during normal
engine operation. Ensure that the drain valve is tight-
ened securely to help prevent air from entering the fuel
system.
Maintenance Section
i01907680
NOTICE
g00741109
NOTICE
69
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