88
• Release locking nut 48 (fig. 94).
• Remove the threaded piece 49 from the bracket 147.
• Take off the lock washer 148.
• Take the toothed rocker 149 with magnet off the pin.
• Take the Bowden cable out of toothed rocker 149 and bracket 147.
• Remove the two screws 150 and remove the stepping motor 151.
Installation:
• Insert the Bowden cable in bracket 147 and toothed rocker 149.
• Fit the toothed rocker 149 on the pin.
• Fit the lock washer 148.
• Screw the threaded piece 49 into the bracket 147.
Basic setting of circuit boards:
• Slacken off screw 152 slightly, slide the circuit board until the pin are located at the center of the
slot (fig. 95).
• Tighten screw 152.
• Insert the stepping motor 151 and tighten the screws 150 slightly.
• Release the screws 150 and press the stepping motor 151 against the toothed wheel
with about 2-3 N.
In this way, adjust the play between the two toothed wheels.
• Tighten the two screws 150.
• Fit the plug sockets 21 on the circuit board (fig. 91).
• Place the entire bracket 147 on the housing shells (fig. 92).
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