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Fuel system
PRIMING INSTRUCTIONS
Fuel leaked or spilled onto hot surfaces or
electrical components can cause a fire. To
help prevent possible injury, turn the "ON/
OFF" switch in position "OFF" when
changing fuel filters or water separator
elements. Clean up fuel spills immediately.
Prime the fuel system in order to fill the fuel filter. Prime
the fuel system in order to purge trapped air. The fuel
system should be primed under the following conditions:
•
Compressor is put in operation for the first time
•
Running out of fuel
•
Storage
•
Replacement of the fuel filter
Do not loosen the fuel lines at the fuel
manifold. The fittings may be damaged and/
or a loss of priming pressure may occur
when the fuel lines are loosened.
Key-on priming (if equipped)
Do not allow dirt to enter the fuel system.
Thoroughly clean the area around a fuel
system
component
disconnected. Fit a suitable cover over
disconnected fuel system component.
1. Turn the diagnostics mode to the ON position. Leave
the diagnostics mode in the ON position for 2 minutes.
2.
Verify that the water separator is full of fuel.
3.
If the water separator is not full of fuel, turn the
diagnostics mode OFF and then turn the diagnostics
mode ON. Turning the switch OFF, then ON will
cycle the fuel priming pump again.
4.
When the water separator is full of fuel, attempt to
start the engine. If the engine starts and the engine
runs rough or the engine misfires, operate at low idle
until the engine is running smoothly. If the engine
cannot be started, or if the engine continues to mis-
fire or smoke, repeat Step 1.
Manual switch priming (if equipped)
The manual switch is located on the primary filter base/
electric priming pump assembly.
1. Hold the manual switch in the up position until fuel has
filled the water separator.
2.
Continue to hold the switch for 30 seconds after the
water separator is full.
3.
Attempt to start the engine. If engine starts and runs
rough or misfires, operate at low idle until the engine
is running smoothly. If the engine cannot be started,
continue to prime the fuel system for 30 more sec-
onds.
Replacing filter elements
that
will
be
Replacing the filter elements:
Installation instructions:
1. Drain fuel from the bowl.
2.
Remove filter (3) and separate bowl (2) from element
(3).
3.
Apply film of gas oil to new bowl seat.
4.
Screw bowl (2) to new element (3) tightly by hand.
5.
Apply film of gas oil to new element seals.
6.
Screw on filter (3) tightly by hand.
7.
Check for leaks, retighten if necessary.
(3)
(2)
(1)
- 68 -
CLEANING CRANKCASE BREATHER
FILTER
8.
After switching off the engine, let it cool down for
about 30 minutes.
9.
Open the clasps (2) and carefully separate the bowl
from the head. Be aware that hose (3) is still
attached.
10. Take out the wire mesh and clean it in a solvent (die-
sel fuel).
11. Thoroughly dry the wire mesh with compressed air.
12. Put the wire mesh in the bowl and mount the bowl to
the head. Do not twist hose (3).
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