GreenWorks Commercial GT 161 Guide D'utilisation page 17

OPERATION
REPLACING STRING HEAD (See Figure 9.)
The string head should be replaced whenever damage is visible or if the wear indicators on the
face are worn smooth. If replacing line only refer to Replacing the Line later in this manual.
1. Stop the unit and remove the battery pack.
2. Insert the gear head locking tool or screwdriver (1) through the slot (2) .
head and push the tool (1) until the tool engages the inner ring-nut hole (3), blocking rotation.
3. Rotate the string head (4) clockwise until it can be removed from the gear shaft (5).
4. Install the new string head and rotate counterclockwise to secure.
17
Turn the trimmer