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Changing the Engine Oil
Service Interval: After the first 5 hours—Change the
engine oil.
Every 50 hours—Under special operating
conditions (refer to Maintaining the Machine
under Special Operating Conditions)—change
the engine oil.
Every 100 hours—Under normal operating
conditions—change the engine oil.
Note:
Change the oil more frequently when operating
conditions are extremely dusty or sandy.
Note:
Dispose of the used engine oil and oil filter at a
certified recycling center.
1.
Start the machine and let the engine run for a
few minutes.
2.
Park the machine on a level surface.
3.
Engage the parking brake.
4.
Shut off the engine and remove the key.
5.
Change the engine oil as shown in
Figure 31
Servicing the Spark Plug
Checking and Replacing the Spark
Plug
Service Interval: Every 100 hours/Yearly (whichever
EFI Model Spark Plug Type: Champion XC92YC
Air Gap for EFI Models: 0.76 mm (0.03 inch)
Important:
dirty, or malfunctioning spark plug. Do not
sand-blast, scrape, or clean electrodes by using
a wire brush because grit may eventually release
from the plug and fall into the cylinder. The result
is usually a damaged engine.
Note:
however, the plug should be removed and checked
whenever the engine malfunctions.
1.
Clean the area around the spark plug so that
Figure
31.
foreign matter cannot fall into the cylinder when
you remove the spark plug.
2.
Pull the wire off the terminal of the spark plug.
3.
Remove the plug from the cylinder head.
4.
Check the condition of the side electrode, center
electrode, and center electrode insulator to
ensure that there is no damage
Note:
plug. Replace it with a new spark plug of the
specified type.
1. Center electrode insulator
2. Side electrode
g416479
5.
Set the air gap between the center and side of
the electrodes at or 0.76 mm (0.03 inch) as
shown in
6.
Install the spark plug into the cylinder head, and
torque the plug to 27 N∙m (20 ft-lb).
7.
Install the spark-plug wire.
35
comes first) Replace the spark plug
if necessary.
You must replace a cracked, fouled,
The spark plug usually lasts a long time;
Do not use a damaged or worn spark
Figure 32
3. Air gap (not to scale)—
Figure
32.
(Figure
32).
g379699
0.76 mm (0.03 inch)
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