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7.
Clean the paper element by tapping it gently to
remove the dirt.
Note:
Do not try to brush dirt off the paper
element; brushing forces the dirt into the fibers.
Replace the element if tapping it fails to remove
the dirt.
8.
Clean the foam element in warm, soapy water
or in a nonflammable solvent.
Note:
Do not use gasoline to clean the foam
element because it could create a risk of fire or
explosion.
9.
Rinse and dry the foam element thoroughly.
10.
Wipe dirt from the base and the cover with a
moist rag.
Note:
Ensure that dirt and debris do not enter
the air duct leading to the carburetor.
11.
Install the air-cleaner elements and ensure that
they are properly positioned. Install the lower
wing nut.
12.
Install the cover and install the upper wing nut
to secure it.
Servicing the Spark Plug
Service Interval: Every 100 hours
Every 300 hours
Use an NGK BPR6ES spark plug or equivalent.
1.
Shut off the engine and wait for all moving
parts to stop; refer to
Maintenance (page
2.
Clean around the spark plug.
3.
Remove the spark plug from the cylinder head.
Important:
Replace a cracked, fouled, or
dirty spark plug. Do not sand blast, scrape,
or clean the electrodes because engine
damage could result from grit entering the
cylinder.
4.
Set the gap on the plug to 0.7 to 0.8 mm (0.028
to 0.031 inch)
1. Center-electrode insulator
2. Side electrode
5.
Carefully install the spark plug by hand (to avoid
cross threading) until it is hand tight.
6.
Tighten the spark plug an additional 1/2 turn if
it is new; otherwise, tighten it an additional 1/8
to 1/4 turn.
Important:
A loose spark plug can become
very hot and can damage the engine;
overtightening a spark plug may damage the
threads in the cylinder head.
7.
Connect the wire to the spark plug.
15
Preparing the Machine for
12).
Figure 19
3. Air gap
g000533
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