Viessmann Vitomax LW Series Operating And Service Instructions page 18

Commissioning, inspection, maintenance
Type M148: Moving the hinge brackets to the...
7.
5.
4.
Fig. 5
9.
Fig. 6
12.
11.
Fig. 7
18
8.
(cont.)
04. Insert eye screw behind joint piece.
05. Screw on the nut and push on the washer.
06. Push eye screw through hole.
07. Mount washer and screw on nut (washer and nut
are supplied with the hinges).
08. Insert bolt.
09. Tighten nuts (approx. 100 Nm).
Secure bolt with split pin.
10. Repeat steps 1 to 9 for the lower fitting.
11. Remove split pin and undo nuts.
12. Pull out bolt.