Cub Cadet 1405 - Spark Plugs; Fuel Filter

Service Precleaner
Wash and reoil the precleaner every 25 hours of
operation (more often under extremely dusty or dirty
conditions).
1. Remove the air cleaner cover retaining knob, air
cleaner cover, and paper element with pre¬
cleaner.
2. Remove the precleaner from the paper element.
3. Wash the precleaner in warm water with deter¬
gent. Rinse the precleaner thoroughly until all
traces of detergent are eliminated. Squeeze out
excess water (do not wring). Allow the pre¬
cleaner to air dry.
4. Saturate the precieaner with new engine oil.
Squeeze out all excess oil.
5. Reinstall the precleaner over the paper element.
6. Reinstall the paper element with precleaner, air
cleaner cover, and air cleaner cover retaining
knob. Make sure the knob is tightened securely.
Service Paper Element
Every 100 hours of operation (more often under
extremely dusty or dirty conditions), check the paper
element. Clean or replace the element as necessary.
1. Remove the precleaner from the paper element.
2. Gently tap the flat side of the paper element to
dislodge dirt. Do not wash the paper element or
use pressurized air, as this will damage the ele¬
ment. Replace a dirty, bent, or damaged ele¬
ment. 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. Also check the air cleaner
cover for damage or improper fit. Replace ail
damaged air cleaner components.
4. Reinstall the paper element, precleaner, air
cleaner cover, and air cleaner cover retaining
knob. Make sure the knob is tightened securely.
Properly cleaned and installed air cleaner elements
significantly contribute to prolonged engine life.
CLEANING ENGINE
This tractor has an air-cooled engine. Air must be
able to circulate freely around the engine, through the
screen, shroud, and oyer the fins of the cylinder head
and cylinder block. Keep these areas free of accumu¬
lated dirt and trash or engine will overheat and result
in damaged moving parts.
SPARK PLUGS
A WARNING
To avoid possible injury, be sure engine is
off and cool before making any adjustment
or repairs.
■ ^NOTE
Remove ail dirt from around the spark plug
before removing.
To remove spark plug, always use a spark plug
wrench. Check gap after every 100 hours of opera¬
tion.
Replace a defective plug with a new plug. Set gap at
.040 inch. (Refer to Figure 25.) Tighten plug to 18-22
ft-lbs. See your authorized deaier for the correct
replacement plug.
Figure 25
1. Sparkplug
FUEL FILTER
A WARNING
Do not replace fuel filter when engine is hot.
The engine is equipped with an in-line fuel filter. Visu¬
ally inspect the filter periodically, and replace when
dirty.
22