Magnetic Autocontrol MHTM MicroDrive, Operating Instructions Manual

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Barrier MHTM
TM
MicroDrive
Assembly and installation
84 5815,5001US / Version 02.66
Adjust balancing springs:
5. Remove the barrier housing hood.
6. Remove the rear barrier housing door.
7. Adjust springs with a wrench via the screws with locknuts.
 Barrier arm angle > approx. 30°:
This balancing springs are tightened too far.
 Barrier arm angle < approx. 30°:
This balancing springs are not tightened enough.
8. Install the barrier housing door.
9. Attach and lock the barrier housing hood.
8.13.2 Overview table balancing springs
The following overview tables apply for barriers with VarioBoom.
Line width Number springs weak Number springs strong
4.9 to 5.6 ft (1.5 to 1.7 m) 1 –
5.9 to 7.6 ft (1.8 to 2.3 m) 2 –
7.9 to 9.5 ft (2.4 to 2.9 m) 3 –
9.8 to 11.2 ft (3.0 to 3.4 m) 4 –
11.5 to 12.8 ft (3.5 to 3.9 m) 5 –
13.1 to 14.1 ft (4.0 to 4.3 m) 6 –
14.4 to 15.1 ft (4.4 to 4.6 m) 7 –
15.4 to 16.4 ft (4.7 to 5.0 m) 8 –
16.7 to 17.4 ft (5.1 to 5.3 m) 9 –
17.7 ft (5.4 m) 5 2
18.1 to 19.0 ft (5.5 to 5.8 m) 5 3
19.4 to 19.7 ft (5.9 to 6.0 m) 6 3
Table 21: Overview table balancing springs for VarioBoom without pendulum support
Line width Number springs weak Number springs strong
11.5 to 11.8 ft (3.5 to 3.6 m) 6 –
12.1 to 12.8 ft (3.7 to 3.9 m) 7 –
13.1 to 14.4 ft (4.0 to 4.4 m) 8 –
14.8 to 15.4 ft (4.5 to 4.7 m) 9 –
15.8 ft (4.8 m) 5 2
16.1 to 17.4 ft (4.9 to 5.3 m) 5 3
17.7 to 18.4 ft (5.4 to 5.6 m) 6 3
18.7 to 19.0 ft (5.7 to 5.8 m) 5 4
19.4 to 19.7 ft (5.9 to 6.0 m) 4 5
Table 22: Overview table balancing springs for VarioBoom with pendulum support