4
DTN 80
02.2019 | Designed in Germany
Swing-door drive
Operating instructions
eng
11. Cleaning ...................................................................24
12. Maintenance activities of the operator ..................25
12.1 Testing a hold-open system ........................................................... 26
13. Specialists ................................................................26
14. Inspection and after-sales service ..........................27
14.1 Testing and maintenance ............................................................... 27
14.2 Inspection and maintenance of a hold-open system ................. 28
14.3 Service and maintenance ............................................................... 28
15. Directives .................................................................29