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NOTE: Some maintenance procedures may require
special tools or skills. If you are unsure about
these procedures take your unit to an authorized
service dealer:
MAINTENANCE SCHEDULE
These required maintenance procedures should be
performed at the frequency stated in the table. They
should also be included as part of any seasonal tune-up.
WARNING: To prevent sedous injury, never I
do maintenance or repairs with unit running.
I
Always do maintenance and repairs on a
cool unit. Disconnect spark plug wire to
ensure the unit will not start.
FREQUENCY
Before Starting Engine
Every 10 Hours
1st Change at 10 Hours
Every 25 Hours there after
Every 25 Hours
10 hours on new engine
Every 50 Hours
Every 50 Hours
MAINTENANCE REQUIRED
Fill fuel tank with fresh fuel
Check oil
Clean and re-oil air filter.
Change oil
Change oil
Clean Spark Arrestor
Check rocker arm to valve clearance and adjust as required
Check rocker arm to valve clearance and adjust as required
Check spark plug condition and gap
REFER TO:
Page13
Page 21
Page22
Page21
Page21
Page 25
Page 23-25
Page 23-25
Page 25
LINE INSTALLATION
Always use genuine Ryobi 2.41 mm (0.095 in.)
replacement line. Larger line may make the engine
overheat or fail,
[_llL ARNING: Never use metal-reinforced line,
wire. or rope, etc. These can break off and
become a dangerous projectile.
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 KnobTMclockwise [Fig. 32). Inspect the bolt
inside the Bump Knob to make sure it moves freely.
RePlace the Bump Knob if damaged.
2. Remove the inner reel from the outer spool (Fig. 32).
3. Remove spring from the inner reel (Fig. 32).
4. Use a clean cloth to clean the the inner reel. spnng,
shaft, and inner surface of the outer spool (Fig. 33).
5. Check the indexing teeth on the inner reel and outer
spool for wear (Fig. 34). If necessary, remove burrs
or replace the reel and spool.
Fig, 33
IndexingTeeth
Spring
Inner Reel__
Bolt
/
Bump Knob _
Fig. 32
Fig. 34
19
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