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SparkPlugs
Every two years or 100 hours of operation, remove the
spark plugs, check condition, and reset the gap or
replace with a new plug as necessary.
1. Lift the tractor's hood by pivoting it forward.
2. Carefully pull the spark plug wire boot off of the
spark plug.
3. Before removing the spark plug, clean the area
around the base of the plug to keep dirt and debris
out of the engine.
4. Using a ratchet with a 5/8-inch spark plug socket,
remove the spark plug and check its condition.
5. Replace the plug if worn, dirty or damaged. Reuse
only after resetting the gap as instructed.
NOTE: Do not clean the spark plug using an 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 21. Set the spark plug gap to
0.030 in (0.76 mm).
Cleaningthe EngineAndDeck
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 Engineon page 23 for instruction regarding all
engine-related lubrication.
Front Wheels
Each of the front wheel axles and rims is equipped with
a grease fitting. See Figure 22. Lubricate with 251H EP
grease or an equivalent No. 2 multi-purpose lithium
grease after every 25 hours of tractor operation.
FeelerGauge
Spark Plug
Ground Electrode
Gap
Figure 21
7. Reinstall the spark plug into the cylinder head.
8. Place the spark plug wire boot over the spark plug
and press until you feel it "click" in place.
RimGreaseFitting
\
Figure 22
PivotPoints& Linkage
Lubricate all the pivot points on the drive system,
parking brake and lift linkage at least once a season
with light oil.
26
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