Fuel System Primary Filter (Water Separator); Element - Replace - Perkins 2506 Operation And Maintenance Manual

70
Maintenance Section
Fuel System Primary Filter/Water Separator - Drain
4. Unlock and operate the hand priming pump (2).
Use a suitable container to collect excess fuel.
5. Tighten the union of the pipe for the fuel (1).
6. Operate the hand priming pump until a strong
pressure is felt on the pump. Push the priming
pump plunger inward. Tighten the plunger by hand
and start the engine.
NOTICE
Do not crank the engine continuously for more than
30 seconds. Allow the starting motor to cool for 30
seconds before cranking the engine again.
7. If the engine will not start, allow the starting motor
to cool for 30 seconds. Repeat steps 3 to 6 in
order to operate the engine.
8. Continue to eliminate air from the fuel system if
these events occur:
• The engine starts, but the engine does not run
evenly.
• The engine starts, but the engine continues to
misfire or smoke.
9. Run the engine with no load until the engine runs
smoothly.
Fuel System Primary Filter/
Water Separator - Drain
Fuel leaked or spilled onto hot surfaces or electri-
cal components can cause a fire. To help prevent
possible injury, turn the start switch off when
changing fuel filters or water separator elements.
Clean up fuel spills immediately.
NOTICE
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.
NOTICE
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.
Illustration 35
Typical example
1. Place a suitable container below the primary fuel
filter assembly (1).
2. Open the drain (2). Allow the fluid to drain into the
container.
3. When clean fuel drains from the primary fuel filter
assembly (1) close the drain (2). Tighten the drain
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(2) by hand pressure only. Dispose of the drained
fluid correctly.
Fuel System Primary Filter
(Water Separator) Element -
Replace
Fuel leaked or spilled onto hot surfaces or electri-
cal components can cause a fire. To help prevent
possible injury, turn the start switch off when
changing fuel filters or water separator elements.
Clean up fuel spills immediately.
Do not allow dirt to enter the fuel system. Thoroughly
clean the area around a fuel system component that
will be disconnected. Fit a suitable cover over discon-
nected fuel system component.
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NOTICE