ETS 73
0548-990-51---60g_2019.10.indd
A
B
C
!
0548-990/52g
Page 25 of 98
Mounting and operating instructions
Inverse application
1. Let the door leaf be opened by spring power.
2. Using a screwdriver, carefully prize the service cover
(C) out of the gearbox housing.
3. By means of a socket wrench 1,5 mm, slightly loosen
the locking screw (B) and leave the socket wrench
inserted in the locking screw (B).
4. Close the door leaf.
5. Carefully turn the cam disk (A) to the left or to the
right until the locking screw (B) is located at the
highest point and the socket wrench is in a vertical/
perpendicular position.
Tighten the locking screw (B).
6. Snap the service cover (C) into the gearbox housing.
7. Mount the open position stop piece approx. 5° before
the door leaf reaches the maximum open position.
If existing:
Setting of the open-position stop piece, integrated in
the drive mechanism (see Option instructions 0548-
992/02).
forward to chapter 4.6
