Section 6
Maintenance
Maintenance Schedule
Perform these required maintenance procedures at the
frequency stated _nthe table. These procedures should
also be a part of any seasonal tune-up.
NOTE: Some maintenance procedures may require
special tools or skills. If you are unsure about
these procedures take your unit to any non-
road engine repair establishmenL
To prevent serious injury, never perform
maintenance or repairs with unit running. Always
service and repair a cool unit. Disconnect the spark
plug wire to ensure that the unit cannot start.
NOTE: Maintenance, replacement or repair of the
emission control devices and system may be
performed by any non-road engine repair
establishment, individual or authorized
service dealer.
In order to assure peak performance of your engine,
inspection of the engine exhaust port may be necessary
after 50 hours of operation. If you notice lost RPM, poor
performance or general lack of acceleration, this service
may be required. If you feel your engine is in need of this
inspection, refer service to any non-road engine repair
establishment, individual or authorized service dealer for
repair. DO NOT attempt to perform this process yourself
as engine damage may result from contaminants
involved in the cleaning process for the port.
FREQUENCY MAINTENANCEREQUIRED REFERTO
Before starting engine Fill fuel tank with fresh fuel Page 8
Every 10 hours Clean and re-oil air filter Page 15
Check and clean spark arrestor Page 15
Every 25 hours Check spark plug condition and gap Page 17
Inspect exhaust port and Spark arrestor Screen for clogging or Page 15
Every 50 hours obstruction to assure maximum performance levels
Fig. 6-1
Bump Knob
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Line Installation
This section covers both SplitLine TM and standard single
line installation.
Always use original equipment manufacturer 0.095 in.
(2.41 mm) replacement line. Using line other than the
specified may make the engine overheat or fail.
Never use metal-reinforced line, wire, chain, or
rope. These can break off and become dangerous
projectiles.
There are two methods to replace the trimming line:
• Wind the inner reel with new line
• Install a prewound inner reel
12
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