Cub Cadet 3185 Lawn Mower User Manual


 
29
To remove the spark plugs, always
use a spark plug wrench. Check the
gap after every 100 hours of operation.
Replace a defective plug with a new
plug. Set the spark plug gap at .030
inch. Tighten the plug to 10-15 ft-lbs.
See your authorized dealer for the
correct replacement plug.
Changing Fuel Filter
WARNING: Do not replace
the fuel filter when engine is
hot.
The engine is equipped with an in-line
fuel filter. Visually inspect the filter
periodically 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.
Changing Air Cleaner
Figure 26
Check the air cleaner daily or before
starting the engine. Check for loose or
damaged components and check the
condition of the filter element. Remove
any buildup of dirt and debris in the air
cleaner housing.
See Figure 26 for assembly of the
Aircleaner elements.
WARNING: Operating the
engine with loose or dam-
aged air cleaner components
will allow unfiltered air into
the carburetor, causing
extensive wear and eventual
failure of the engine.
Servicing The Precleaner
Wash and re-oil the foam precleaner
more often under extremely dusty or
dirty conditions. See Figure 26.
Loosen the aircleaner cover clips
and remove the cover.
Remove the foam precleaner by
sliding it up off the paper element.
Wash the precleaner in warm water
with detergent. Rinse the precleaner
thoroughly until all traces of the
detergent are eliminated. Squeeze
out (do not wring) excess water in a
dry cloth. Allow the precleaner to air
dry.
Saturate the foam precleaner with
new engine oil. Squeeze out all
excess oil in a dry cloth.
Reinstall the foam precleaner over
the paper element.
Reinstall the air cleaner cover and
reattach the cover clips to both sides
of the air cleaner body.
Servicing The Paper Element
Inspect an replace the paper element
as necessary. See Figure 26.
Loosen the air cleaner cover clips
and remove the cover.
Loosen and remove the element
cover nut.
Remove element cover by lifting
straight up.
Air Cleaner
Cover
Element Cover Nut
Element Cover
Foam Precleaner
Paper Element
Air Cleaner Base