Ryobi RY40210A User Manual 2 - Page 8

MAINTENANCE WARNING: When servicing, use only identical replacement parts. Use of any other parts could create a hazard or cause product damage. WARNING: Always wear eye protection with side shields marked to comply with ANSI Z87.1. Failure to do so could result in objects being thrown into your eyes, resulting in possible serious injury. WARNING: Before inspecting, cleaning, or servicing the machine, shut off engine or motor, wait for all moving parts to stop, and disconnect spark plug wire and move it away from spark plug or disconnect from power supply. Failure to follow these instructions can result in serious personal injury or property damage. GENERAL MAINTENANCE Avoid using solvents when cleaning plastic parts. Most plastics are susceptible to damage from various types of commercial solvents and may be damaged by their use. Use clean cloths to remove dirt, dust, oil, grease, etc. WARNING: Do not at any time let brake fluids, gasoline, petroleumbased products, penetrating oils, etc., come in contact with plastic parts. Chemicals can damage, weaken or destroy plastic which could result in serious personal injury. You can often make adjustments and repairs described here. For other repairs, have the trimmer serviced by an authorized service dealer. SPOOL REPLACEMENT REEL-EASY™ TAP A­ DVANCE SYSTEM See Figures 8 - 11. If replacing line only, refer to LINE REPLACEMENT later in this manual. For gas power heads, use 0.080 in. or 0.095 in. trimmer line. For cordless and electric power heads. use 0.080 in. trimmer line only.  Stop the unit and and disconnect the spark plug wire for gas power heads, remove the battery pack for cordless power heads, or disconnect from power supply for electric power heads. Hold the string head and unscrew the spool retainer.  Remove the empty spool from the string head. NOTE: It is not necessary to remove the string head housing from the drive shaft.  Insert the new spool into the string head. NOTE: Make sure the arrows on the spool are aligned with the eyelets in the string head housing. Push down and hold the spool and housing together while completing the installation.  Reinstall the spool retainer to secure.  Install line as described in Line Replacement. LINE REPLACEMENT See Figure 12 - 13.  Stop the unit and disconnect the spark plug wire for gas power heads, remove the battery pack for cordless power heads, or disconnect from power supply for electric power heads.  Rotate the spool clockwise as necessary to align the arrows on the spool with the eyelets in the string head housing.  Cut one piece of trimmer line 10 ft. long. Insert the line into the eyelet on the string trimmer housing. Push until the end of the line comes out the other side of the string head. Pull the line from the other side until equal amounts of line appear on both sides of the spool.  Rotate the spool clockwise to wind the line on the spool until approximately 6 in. of line is showing on each side.  Push the spool retainer down while pulling on line(s) to manually advance the line and to check for proper assembly of the string head. 8 - English