Ryobi GD200 Manuel D'utilisation page 17

 Move the front pulley toward the middle of the front rail.
 Insert the edge of the front brace into the front rail. Slide
together until brace clicks in place. If you cannot get the
brace to fit by hand, try gently tapping it with a rubber
mallet until it is snug.
Sleeve
Front
Rail
Pulley
Spring
Rod
Tension
Nut
Front
Brace
ASSEMBLY
Intermediate
Rail
Fig. 13
Sleeve
Fig. 14
Front
Front
Rail
Pulley
Fig. 15
Front
Front
Rail
Pulley
Fig. 16
 Pull the front pulley forward and slide the rod through the
hole in the brace.
 Install spring and tension nut onto pulley rod.
 Move the inner and outer trolley to the middle of the rail
assembly.
Pulley
Rod
Spring
Tension
Nut
Tension
Nut
Front
Brace
17 - English
Front
Brace
Spring
Front
Rail
Fig. 17
Fig. 18