MAINTENANCE SCHEDULE
Perform these required maintenance procedures at the
frequency stated in the 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 establishment, individual or
authorized service dealer.
-WARNING: TO prevent serious injury, never 1
perform maintenance or repairs with unit I
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 MAINTENANCE REQUIRED REFER TO
Before starting engine Fill fuel tank with fresh fuel Page 11
Every 10 hours Clean and re-oil air filter Page 18
Every 25 h0urs Check and clean spark arrestor Page 19
Check spark plug condition and gap Page 20
Every 50 hours Inspect exhaust port and spark arrestor screen for clogging or Page 19
obstruction to assure maximum performance levels
LINE INSTALLATION
This section covers both SplitLine TM and standard single
line installation.
Always use original equipment manufacturer 0.105 in.
(2.67 ram) replacement line. Other types of line may
make the engine overheat or fail.
line, wire, chain or rope. These can break I
I_[WARNING: Never use metal-reinforced I
off and become dangerous projectiles. I
There are two methods to replace the trimming line:
• Wind the inner reel with new line
• Install a prewound inner reel
Winding the Existing Inner Reel
1. Hold the outer spool with one hand and unscrew the
Bump Knob clockwise (Fig. 27). Inspect the bolt inside
the bump knob to make sure it moves freely. Replace
the bump knob if damaged.
Spring
Inner Reel _ _ Bolt
Bump Knob _
Fig. 27
2. Remove the inner reel from the outer spool (Fig. 27).
3. Remove spring from the inner reel (Fig. 27).
4. Use a clean cloth to clean the the inner reel, spring,
shaft and inner surface of the outer spool (Fig. 28).
5. Check the indexing teeth on the inner reel and outer
spool for wear (Fig. 29). If necessary, remove burrs or
replace the reel and spool.
Fig. 29
16
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