Instructions

14
12.Assemblyofthemechanicalparts
a) Preparation of various components
Attachmentofthesprocketstotheactuators
3 x actuator
3 x sprocket 14Z (small sprocket, outer diameter 16 mm)
6 x threaded pin M3x5
Push the sprocket onto the axis of the actuator. Fasten them with 2
threaded pins each. The threaded pins are provided with threadlocker
varnish.
The motor axis must end ush with the upper edge of the sprocket.
Repeat the steps for the other two actuators.
Installationofthebelttensioners
1 x cylinder head screw M4x30
1 x nut M4
1 x belt tensioner basic body
4 x washer (diameter inside/outside 4.3/8.8 mm)
3 x ball bearing 624ZZ (diameter inside/outside (3.8/13 mm)
Slide the 4 washers alternately with the 3 ball bearings onto the M4
cylinder head screw.
Turn the screw into the belt tensioner basic body as shown in the
gure, tightening it well.
Finally, lock the screw with the nut.