Dormakaba ES 250 PRO - 4.14 Mount the tensioning device; 4.15 Cut the toothed belt to size

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WN 059677 45532 - 11/2023
ES 250 PRO/ES 250 PRO FST
ES 400 PRO/ES 400 PRO FST
Mounting instructions
4.14 Mount the tensioning device
1. Place the tensioning device on the threaded bolts on the attachment strip.
Fig.49
1.
2.
2. Loosely screw the nuts and washer onto the bolts.
3. Position the tensioning device, see Fig.3, Fig.4 and Fig.5.
4.14.1 On 1-leaf, left-opening units if space is required for protective
panels or manual release
1. If space is required for the protective panel or manual release, slide the
tensioning device 50 mm in the direction of the MCE.
Fig.50
1.
50 mm
4.15 Cut the toothed belt to size
1. Cut the toothed belt to size using the following formula:
Toothed belt length = 2 x CW + 725.