Toro LX420 - Manual (Page 25)

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• Check the gap using a feeler gauge and adjust, if
necessary, by carefully bending the ground
electrode. See Figure 16. Set the spark plug gap to
.76 mm (0.030 in.).
Figure 16
• Reinstall the spark plug into the cylinder head.
Torque the spark plug to 38.0/43.4 N·m (28/32 ft.
lb.).
• Place the spark plug wire boot over the spark plug
and press until you feel it “click” in place.
Fuel Filter
WARNING: Do not replace the fuel filter
when engine is hot.
The engine is equipped with an inline fuel filter 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.
Cleaning the Engine
Any fuel or oil spilled on the machine should be wiped
off promptly.
Do NOT allow debris to accumulate around the cooling
fins of the engine or on any other part of the machine,
especially the belts and pulleys.
Lubrication
WARNING: Before lubricating, repairing, or
inspecting, always disengage PTO, set
parking brake, stop engine and remove key to
prevent unintended starting.
Engine
Refer to Engine on page 22 for instruction regarding all
engine-related lubrication.
Front Wheels
Each of the front wheel axles and rims is equipped with
a grease fitting. See . Lubricate with 251H EP grease or
an equivalent No. 2 multi-purpose lithium grease after
every 25 hours of tractor operation.
Figure 17
Pivot Points & Linkage
Lubricate all the pivot points on the drive system,
parking brake and lift linkage at least once a season
with light oil.
Feeler Gauge
Ground Electrode
Spark Plug
Gap
Axle Grease Fitting
Rim Grease Fitting