GreenWorks Commercial GT 161 Guide D'utilisation page 18

OPERATION
SPOOL REPLACEMENT (See Figure 10.)
If replacing line only, refer to Line Replacement later in this manual.
1. Press the tabs simultaneously on the side of the trimmer head and remove cover and spool.
2. Remove any remaining line.
3. Clean dirt and debris from all parts.
4. Place the spool in the spool housing as shown below.
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