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Service Paper Element
NOTE:
Refer to the Attachments & Accessories table
found on page 32 of this manual for the proper air filter.
The paper element should be replaced at least every
100 hours of operation. Replace more frequently if the
tractor is operated under extremely dusty conditions.
Do not wash the paper element or use
IMPORTANT:
pressurized air, as this will damage the element.
Examine the element and discard if dirt and/or damage
is present.
NOTE:
Handle new elements carefully; do not use if
the sealing surfaces are damaged.
•
Clean any dirt or debris from the air cleaner base
and cover.
•
Check the air cleaner base. Make sure it is secured
and not damaged. Also check the air cleaner cover
for damage or improper fit. Replace all damaged air
cleaner components.
Air Filter Installation
•
Carefully Install the element (with precleaner) on
the base and secure it with the wing nut.
•
Position the air cleaner cover over the base and
hook the clasps behind the tabs on the base. Refer
to Figure 19.
•
Push the clasps inward toward the cover to lock
them in the closed position.
Spark Plug
Every 100 hours of operation, remove each spark
plug, check its condition, and reset the gap or replace
with a new plug as necessary.
NOTE:
Refer to the Attachments & Accessories table
found on page 32 of this manual for the proper spark
plug type.
•
Lift the tractor's hood and locate the spark plug
wires on each side of the engine.
•
Carefully pull the spark plug wire boots off of the
spark plugs.
•
Before removing the spark plug, clean the area
around the base of the plug to keep dirt and debris
out of the engine.
•
Using a spark plug socket, remove the spark plugs
and check their condition.
•
Replace a plug if worn or damaged. Clean minor
carbon deposits from the electrode using a soft wire
brush. Check and re-set the gap as instructed in the
following steps.
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.
•
Check the gap using a feeler gauge and adjust, if
necessary, by carefully bending the ground
electrode. See Figure 20. Set the spark plug gap to
0.75 mm (0.030 in.).
Feeler Gauge
Spark Plug
Ground Electrode
•
Reinstall the spark plugs into the cylinder heads.
Torque the spark plug to 22 N·m (16 ft. lb.).
•
Place the spark plug wire boots over the spark
plugs and press until you feel the plug wire
connectors snap over the terminal of the spark
plugs.
Fuel Filter and Pump
WARNING:
pump when engine is hot.
The engine is equipped with an inline fuel filter and fuel
pump located on the right side of the engine.
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.
The fuel pump can not be disassembled. If the fuel
pump fails, replace it with a new one.
NOTE:
If necessary, remove the tractor's right-hand
side panel as instructed on page 20 before changing
the engine's fuel filter.
22
Figure 20
Do not replace the fuel filter or
Gap
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