Becker E12 - Page 8

-10 mm
To ensure secure torque transmission for round shafts, we recommend screwing the drive adapter to
the shaft (see the table below).
Attention!When drilling into the barrel, never drill near the tubular drive!
Size of drive
[mm]
Drive adapter Torque
max. [Nm]
Fastening screws
(4 units)
dia. 35-dia. 45 All Up to 50 Self-tapping screw
dia. 4.8 x 9.5 mm
dia. 58 Aluminium drive adapter Up to 120 Countersunk screw
M8 x 16 mm
dia. 58 Diecast drive adapter Up to 120 Self-tapping screw
dia. 6.3 x 13 mm
We also recommend screwing the idler to the barrel.
Attention
Do not hammer the tubular drive into the tube or drop it into the barrel!
2
1
Assemble the tubular drive with the relevant ring (1) and drive adapter (2). If the ring has several
grooves, select the groove which is a perfect fit and push the ring (1) onto the thrust ring.
Insert the tubular drive with the pre-assembled ring (1) and drive adapter (2) into the tube to achieve a
form fit. Ensure that the ring and drive adapter are secure in the tube.
Mount the assembled unit comprising shaft, tubular drive and idler on the box and secure the drive with
a splint or spring pin according to the type of wall bracket fixing.
Lay the connecting cable
Lay the connecting cable up to the tubular drive, and fix The connecting cable and any antennae must
not project into the winding chamber. Cover any sharp edges.
8-en