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Replacing the Spark Plug
Service Interval: Every 100 hours
Use a Champion QC12YC spark plug or equivalent.
1.
Shut off the engine and wait for all moving parts
to stop.
2.
Disconnect the wire from the spark plug.
3.
Clean around the spark plug.
4.
Remove the spark plug from the engine.
Important:
Replace a cracked, fouled, or
dirty spark plug. Do not clean the electrodes
because grit entering the engine can damage
the engine.
5.
Set the gap on the new plug to 0.51 mm as
shown in
Figure
Figure 22
1. Center electrode
2. Side electrode
6.
Install the spark plug
7.
Tighten the plug to 20 N∙m.
8.
Connect the wire to the spark plug.
Servicing the Air Filter
Service Interval: Every 25 hours
1.
Unclip the top of the air-filter cover
22.
3. Air gap (not to scale)
(Figure
1. Air filter
2. Air-filter cover
2.
Remove the air-filter cover
3.
Remove the air-filter element.
4.
Wash the air-filter element in soapy water.
g189939
Important:
air-filter element.
5.
Air dry the air-filter element.
6.
Add a few drops of engine oil on the air-filter
element and squeeze it tightly to remove any
excess oil.
7.
Install the air-filter element and air-filter cover.
Changing the Engine Oil
Changing the engine oil is not required, but if
you desire to change the oil, use the following
procedure.
23).
Engine oil capacity: 0.47 L
Oil viscosity: SAE 30 or SAE 10W-30 detergent oil
API service classification: SJ or higher
Note:
Run the engine a few minutes before changing
the oil to warm it. Warm oil flows better and carries
more contaminants.
1.
Move the machine to a level surface.
2.
Refer to
3.
Remove the dipstick by rotating the cap
counterclockwise and pulling it out
16
Figure 23
3. Air-filter element (foam)
(Figure
Do not use gasoline to clean the
Preparing for Maintenance (page
g198655
23).
15).
(Figure
24).
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