Magnetic Autocontrol MHTM MicroDrive Access Series, Operating Instructions Manual

Page: 79 / 144

Barrier MHTM
TM
MicroDrive Access and Parking
Assembly and installation
5815,5013US / Version 05 79
The following overview tables apply for barriers with MicroBoom.
The strong springs are marked with a yellow dot at the suspension
bolt.
Overview table balancing springs for barriers with
MicroBoom without pendulum support
Line width Number springs weak Number springs strong
4.9 to 6.6 ft (1.5 to 2.0 m) 1 –
6.9 to 8.2 ft (2.1 to 2.5 m) 2 –
8.5 to 10.2 ft (2.6 to 3.1 m) 3 –
10.5 to 11.8 ft (3.2 to 3.6 m) 4 –
12.1 to 13.1 ft (3.7 to 4.0 m) 5 –
13.5 to 14.4 ft (4.1 to 4.4 m) 6 –
14.8 to 15.4 ft (4.5 to 4.7 m) 7 –
15.8 to 16.7 ft (4.8 to 5.1 m) 8 –
17.1 to 18.1 ft (5.2 to 5.5 m) 9 –
18.4 to 19.7 ft (5.6 to 6.0 m) 7 2
Table 19: Overview table balancing springs for barriers with MicroBoom without pendulum support
Overview table balancing springs for barriers with
MicroBoom with pendulum support
Line width Number springs weak Number springs strong
11.5 to 12.1 ft (3.5 to 3.7 m) 6 –
12.5 to 13.1 ft (3.8 to 4.0 m) 7 –
13.5 to 14.4 ft (4.1 to 4.4 m) 8 –
14.8 to 16.1 ft (4.5 to 4.9 m) 9 –
16.4 to 18.1 ft (5.0 to 5.5 m) 7 2
18.4 to 19.4 ft (5.6 to 5.9 m) 5 4
19.7 ft (6.0 m) 4 5
Table 20: Overview table balancing springs for barriers with MicroBoom with pendulum support