Manual for installation and operation, Comfort 211 GB (#72752) 11
6. Installation
6.2 Installing the motor unit and drive
boom
• Push the adapter sleeve (A) onto the gear shaft (B) as
far as it will go.
6.2 / 1
• Align the drive boom (C) such that it runs parallel to
the surface of the motor unit (F).
• Place the drive boom (C) in the correct position on
the adapter sleeve (A).
• Applying slight pressure, lower the drive boom (C)
onto the motor unit (F).
Caution!
The drive boom (C) must be carefully
mounted on the motor unit (F).
Do not use force, as this could damage
the gear teeth!
A
B
A
F
C
D
EE
6.2 / 2
4.0 x 10
Tip:
When the drive boom (C) is correctly
aligned, a short pull on the drive
element (chain drive, toothed drive belt
or ball chain) is sufficient to lower the
drive boom.
• Position the boom clamps (D) on the drive boom (C).
• Screw the boom clamps (D) to the motor unit (F)
using the four screws (E).
