INSTALLATION INSTRUCTIONS
SemiMatic Trimmer Head
Model View
99909-15500
Fits LT18, T18, T20, C20, LT20, T230, C230, 22T
99909-15600
Fits F20, T25, C25, T27, C27, BP35, T250, C250, T260, C260
NOTE: Operating with trimmer line of uneven length will cause excessive vibration. Always make sure the line is wound evenly and trimmed to equal lengths from the eyelets.
Line Chart
99909-15500
99909-15600
Shipped with 10 feet of .095 line
Maximum fill– 40 feet of .080 26 feet of .095 20 feet of .105
1 | 2 | 3 |
Turn the knob clockwise to remove | Remove the knob and spool. |
the knob and spool (one piece). Make |
|
sure the white lock tab is visible in the |
|
“L” window on the knob before starting |
|
to turn. |
|
Clean the housing and spool and inspect for damage and wear. If the eyelets are worn excessively, replace the housing. Note: The inner and outer cams in the spool can be serviced by a dealer.
4 | 5 | 6 |
Spool Saver
Slot
Replace the line by threading it through the eyelet in the spool until the line ends are of equal length.
With the knob facing away from you, wind the line counterclockwise. Hook the line into line saver slots in the spool housing.
Install the knob and spool in the housing while threading the line through the eyelets. Pull the line to seat the spool.
6
