Ryobi P2090 Operation Manual - Page 11

MAINTENANCE  Either by hand or using the SPEED WINDER, rotate the bump knob clockwise to wind the line on the spool until approximately 6 in. of line is showing on each side. NOTE: For best results, after every five to seven revolutions of the SPEED WINDER, pull both line ends taut for best loading results and to help prevent line from tangling.  Push the bump knob down while pulling on line(s) to manually advance the line. CLEARING LINE JAM AND/OR REPLACING BUMP KNOB See Figures 12 - 13.  Remove the battery pack.  Depress the tabs on the side of the string head housing to remove the lower string head housing. NOTE: The housing is spring loaded and will self eject when the tabs are depressed. It is not necessary to remove the upper string head housing from the drive shaft.  Push the spool and bump knob through the string head housing and remove the string from the spool.  If replacing the bump knob, remove the old knob from the spool. Align the knob ribs with the spool slots and place the new bump knob onto the spool. If you are not replacing the bump knob, skip this step.  Insert the bump knob and spool assembly through the opening in the string head housing.  Align the slots on the lower string head housing with the tabs on the upper string head housing.  Push the housing together until the tabs snap into place. NOTE: Hold the spool by the knob while completing the installation.  Install line as described in Line Replacement. STORING THE TRIMMER  Remove the battery pack from the string trimmer before storing.  Clean all foreign material from the trimmer.  Store it in a place that is inaccessible to children.  Keep away from corrosive agents such as garden chemi- cals and de-icing salts. 9 - English