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Disconnecting the Spark-plug
Wire
Pull the spark-plug wire off the terminal of the spark plug
(Figure 13 or Figure 14).
1
Figure 13
Models 68034 and 68035
1. Spark-plug wire
Figure 14
Model 68036
1. Spark-plug wire
Engine Maintenance
Servicing the Air Cleaner
Service Interval: Before each use or daily—Check the air
Important: Do not operate the engine without the
air-filter assembly; extreme engine damage will occur.
Note: If the engine is low on power, produces black smoke,
or runs unevenly, the air filter may be clogged.
Cleaning the Prefilter—Models 68034
G0231 19
and 68035
Service Interval: Every 50 hours
1. Open the cover of the machine (Figure 15).
1
1
2. Remove the screws that secure the cover to the prefilter
G023120
A
1. Prefilter housing
3. Remove the prefilter.
4. Clean the prefilter as follows:
14
filter.
Every 50 hours—Clean the air-filter elements (more
frequently if conditions are dusty or sandy).
Every 200 hours—Replace the paper air-filter element
(more frequently if conditions are dusty or sandy).
2
Figure 15
housing (Figure 16), and remove the cover.
B
1
Figure 16
A. Wash the prefilter using a mild detergent and
water.
B. Squeeze it dry with a clean cloth.
C. Soak it with new engine oil.
G020404
2
G023121
2. Prefilter
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