Ryobi 766r Operator's Manual page 15

MAINTENANCE AND REPAIR INSTRUCTIONS
LINE INSTALLATION
Always use genuine Ryobi 0.080 in. (2.03 mm.)
replacement line. Larger line may make the
engine overheat or fail.
WARNING: Do not use metal
reinforced line.
There are two methods to replace the trimming
line.
• Wind the inner reel with new line
• Install a prewound inner reel
NOTE: Replacement line Part # 610375,or a
prewound reel, Part # 153577 can be
purchased from your local authorized
dealer.
Winding the Existing Inner Reel
1. Hold the outer spool with one hand and
remove the Bump Knob™ by turning
counterclockwise (Fig. 13). Inspect the bolt
inside the Bump Knob™ to make sure it will
move freely. Replace if damaged.
NOTE: A Bump Knob™, Part # 153066 can
be purchased from your local
authorized dealer.
Bump Knob™
2. Remove the inner reel from the outer spool
(Fig. 14).
3. Remove spring from the inner reel (Fig. 14).
NOTE: A replacement spring, Part # 610317
can be purchased from your local
authorized dealer.
Fig. 13
Outer Spool
Inner Reel
4. Use a clean cloth to clean the the inner reel,
spring, shaft, and inner surface of the outer
spool (Fig. 15).
5. Check the indexing teeth on the inner
reel and outer spool for wear (Fig. 16).
If necessary, remove burrs or replace
the reel and spool.
NOTE: A cutting attachment head assembly,
Part # 180897 can be purchased from
your local authorized dealer.
Indexing Teeth
Shaft
Spring
Fig. 14
Fig. 15
Fig. 16
15