MAINTENANCE AND REPAIR INSTRUCTIONS
WARNING: Battery tools do not have to be plugged into an electrical outlet; therefore, they are always in operating condition. To prevent serious personal injury, take extra precautions and care when performing maintenance, service or for changing the cutting attachment or other attachments.
WARNING: To prevent serious personal injury, remove or disconnect the battery before servicing, cleaning, changing
GENERAL RECOMMENDATIONS
The warranty on this unit does not cover items that have been subjected to operator abuse or negligence. To receive full value from the warranty, the operator must maintain the unit as instructed in this operator’s manual.
BEFORE EACH USE CHECK FOR
DAMAGED/WORN PARTS
•Bump head — Replace bump head parts
that are bent, warped, cracked, or damaged in any way.
AFTER EACH USE CLEAN UNIT
AND LABELS
•Clean the unit using a damp cloth with a mild detergent.
NOTE: Do not use any strong detergents on the plastic housing or the handle. They can be damaged by certain household cleaners that contain aromatic oils such as pine and lemon, and by solvents such as kerosene.
•Wipe off the unit with a clean, dry, soft cloth.
•Keep air vents free from debris at all times.
LINE INSTALLATION
Always use genuine Ryobi 0.080 in. (2.03 mm.) replacement line. Using line other than specified may cause the unit to overheat or fail.
WARNING: Never use
There are two methods to replace the trimmer line:
•Wind the inner reel with new line.
•Install a prewound inner reel.
Winding the Existing Reel
1.Remove the bump head cover by pressing in both bump head cover tabs visible on either side of the bump head outer spool (Fig. 11).
NOTE: The spring will push the cover up when the tabs release.
2.Remove the inner reel and spring (Fig. 11).
3.Use a clean cloth to clean the inner surface of the outer spool (Fig. 11).
NOTE: Always clean the inner reel, outer spool, and shaft before reassembling the bump head.
PRESS TABS
Bump Head
Cover
Inner Reel
Spring
Outer Spool
Fig. 11
4.Check the indexing teeth on the inner reel and outer spool for wear (Fig. 12). If necessary, remove burrs or replace the reel and spool.
Indexing Teeth
Fig. 12
5.Take approximately 12 feet (3.6 m) of new trimming line, insert one end of the line into the hole in the inner reel (Fig. 13).
6.Wind the line, in even and tight layers, onto the reel (Fig. 13). Wind the line in the direction indicated on the inner reel.
NOTE: Failure to wind the line in the direction indicated will cause the bump head to operate incorrectly.
Inner Reel Hole 
Fig. 13
11
