Disconnecting the
Spark-Plug Wire
Pull the spark-plug wire off the terminal of the spark
plug (
or
).
g023119
Figure 11
Models 68034 and 68035
1.
Spark-plug wire
g023120
Figure 12
Model 68036
1.
Spark-plug wire
Engine Maintenance
Servicing the Air Cleaner
Service Interval:
Before each use or daily—Check
the air 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).
Important:
Do not operate the engine without
the air-filter assembly; extreme engine damage
can 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 and 68035
Service Interval:
Every 50 hours
1.
Open the cover of the machine (
).
g020404
Figure 13
2.
Remove the screws that secure the cover to
the prefilter housing (
), and remove
the cover.
g023121
Figure 14
1.
Prefilter housing
2.
Prefilter
3.
Remove the prefilter.
4.
Clean the prefilter as follows:
15
