Ma in t e nan c e | Exch a ng i ng t h e c h ain a nd c h ai n s p r o ck e t
54
INSTALLING THE CHAIN GUIDE
Gear rim
Coupling halves
Check the position of the coupling halves. The
claws must be situated so that they grip
precisely in the gear rim.
If necessary:
Turn the coupling halves on the gear unit until
the claws are in the correct position.
Push the chain guide from below into the
housing and hold it firmly.
Push the gear unit into the housing. Pull the
chain slightly until the output shaft of the gear
unit meshes with the chain sprocket.
Tighten the fillister-head screws (3x) in the
housing.
Size Size and length Tightening torque
GM2 M6x85 7 Nm
GM4 M6x105 7 Nm
GM6 M8x110 18 Nm
GM8 M10x140 25 Nm
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