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• Slip the precleaner fully onto the paper ele-
ment and reinstall the paper element onto the
air cleaner base.
• Install the element cover and secure with the
wing nut.
• Reinstall the air cleaner cover and secure with
the retainer knob.
IMPORTANT: Properly cleaned and installed
air cleaner elements significantly contribute to
prolonging engine life.
SERVICING THE SPARK PLUGS
WARNING: To avoid possible injury, be
sure the engine is off and has cooled
before making any adjustments or
repairs.
Check the spark plugs after every 100 hours of
operation. Replace with new plugs if necessary.
See your authorized dealer for the correct
replacement spark plugs (Pt. No. 759-3336).
• Disconnect the spark plug wires and remove all
dirt from around the spark plug before
removing.
• Use a spark plug wrench to remove spark plugs.
• Clean carbon deposits from the electrodes
using a soft wire brush.
• Inspect for cracked porcelain or any other wear
or damage. Replace with a new spark plug if
necessary.
• Check the gap of the spark plugs. The gap
must be .030 inch (0.76mm). Reset if
necessary.
Figure 52
• Reinstall the spark plugs and torque to 18 ft-
lbs. Connect the spark plug wires.
CHANGING THE FUEL FILTER
WARNING: Do not replace the fuel filter
when tractor is hot. Allow the tractor to
cool before separating the fuel lines.
The tractor is equipped with an in-line fuel filter. The
fuel filter can be accessed from underneath the
tractor along the left side of the tractor frame, just
forward of the fuel tank.
The fuel filter cannot be disassembled.
Consequently you must visually inspect the filter
periodically. Inspect for a build-up of residue inside
the filter body, and for a dirty element which can be
indicated by discoloration. Replace the fuel filter
when dirty.
.030 in. gap