NOTE: The engine may run rough for a few minutes while the remain-
ing air, if any, is forced through the fuel system.
• If the water in fuel light is illuminated on the dash, follow the same
procedure using the H20 button on the control panel. It may be nec-
essary to change the fuel filter.
NOTE: Always carry an extra Racor element as one tank full of exces-
sively contaminated diesel fuel can plug a filter.
Servicing Reusable Pre-Filter
• Remove the thumb bolt, washer and top block. Remove the pre-filter
and o-rings.
• Clean the pre-filter in a solvent bath or with compressed air as neces-
sary. Remember to wear safety goggles.
• Inspect the O-rings for cuts or damage. Replace if needed, otherwise
lube with motor oil or clean the fuel and replace.
• Install the pre-filter back into the bottom block (the pre-filter arrow
points down), and replace the top block making sure the O-rings are
properly seated.
• Replace the thumb bolt and tighten by hand. Using pliers, turn the
bolt 3/4 of one turn firmly to seat the O-ring seals.
NOTE: Over tightening may result in damage to the unit.
• Activate the “AIR PURGE” switch, start and operate the engine at
high idle for about 3 minutes.
Chassis Information
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EXECUTIVE
7•222
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