Service Paper Element
Every 100 hours or Yearly (which ever comes first) of
operation (more often under extremely dusty or dirty
conditions), replace the paper element.
1. Remove the top wing nut and air cleaner cover.
Remove the wing nut and special washer.
Separate the precleaner from the element and
service as outlined above. See Figures 20.
2. Do not wash the paper element or use
pressurized air, as this will damage the element.
Replace a dirty, bent, or damaged element with
a genuine Kohler element. Handle new elements
carefully; do not use if the sealing surfaces are
bent or damaged.
3. When servicing the air cleaner, check the air
cleaner base. Make sure it is secured and not bent
or damaged. Check the air cleaner cover/housing
for damage or improper fit. Replace all bent or
damaged air cleaner components.
4. Slide the precleaner and paper element onto the
air cleaner stud. Secure with special washer and
wing nut. See Figure 20.
5. Reinstall the air cleaner cover and secure with
wing nut.
Ignition System
This engine is equipped with a dependable electronic
magneto ignition system. Other than periodically
checking/replacing the spark plug, no maintenance
or adjustments are necessary or possible with this
system.
In the event starting problems should occur which are
not corrected by replacing the spark plug, see your
Kohler Engine Service Center for trouble analysis.
14
Check Spark Plug
Yearly or every 100 hours of operation, remove the
spark plug, check condition, and reset the gap or
replace with a new plug as necessary. The original
spark plug is a Champion
equivalent is a Kohler Part No. 12 132 02-S. Equivalent
alternate brand plugs can also be used.
1. Before removing the spark plug, clean the area
around the base of the plug to keep dirt and
debris out of the engine.
2. Remove the plug and check its condition. Replace
the plug if worn or reuse is questionable.
NOTE: Do not clean the spark plug in a machine
using abrasive grit. Some grit could
remain in the spark plug and enter the
engine causing extensive wear and
damage.
3. Check the gap using a wire feeler gauge. Adjust
the gap to 0.76 mm (0.030 in.) by carefully
bending the ground electrode. See Figure 21.
4. Reinstall the spark plug into the cylinder head.
Torque the spark plug to 20 N·m (14 ft. lb.).
Wire Gauge
Spark Plug
Ground
Electrode
Figure 21. Servicing Spark Plug.
RC12YC, the Kohler
®
0.76 mm
(0.030 in.) Gap
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