Ryobi GD125 Manuel D'utilisation page 18

 Hold the rail assembly above the sprocket on the power
head.
 Rotate the rail assembly until the opening in the rail is
aligned with the sprocket.
 Lower the rail assembly onto the sprocket with the
channel (open end) facing down. Slowly rotate the rail to
the correct orientation as you lower it into position.
 When installed correctly, the teeth on the sprocket should
engage the rail assembly and the rail should sit flat on the
power head.
 Place the brackets on top of the studs, and over the end
rail.
 Place nuts onto the studs and tighten using a 7/16 in.
socket. Do not overtighten.
 Remove the tape securing the Wi-Fi antenna and raise it
to an upright position to ensure the best Wi-Fi signal.
NOTE: Ensure that the antenna is screwed into the power
head securely.
Front of
Power Head
ASSEMBLY
Sprocket
Fig. 23
18 - English
Nut
Nut
Stud
Stud
Wi-Fi
Antenna
Bracket
Stud
Fig. 24
Fig. 25