Viessmann Vitomax LW M64 Installation Instructions Manual page 10

Type M148: Moving the hinge brackets to the...
12.
11.
Fig. 8
14.
Fig. 9
15.
18.
17.
Fig. 10
10
13.
13.
16.
(cont.)
11. Remove split pin and undo nuts.
12. Pull out bolt.
13. Remove nuts and washers.
14. Remove eye screw.
15. Insert eye screw.
16. Insert bolt.
17. Position the washer. Screw on the nut and tighten
until the boiler door gasket forms a tight seal.
18. Insert split pin.
19. Repeat steps 11 to 18 for the lower fitting.