Viessmann Vitomax LW Operating And Service Instructions page 19

Type M148: Moving the hinge brackets to the...
13.
14.
Fig. 8
15.
16.
18.
17.
Fig. 9
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13.
Commissioning, inspection, maintenance
(cont.)
13. Remove nuts and washers.
14. Remove eye screw.
15. Insert eye screw.
16. Insert bolt.
17. Mount washer, screw on nut and tighten until the
boiler door gasket is tightly sealed.
18. Insert split pin.
19. Repeat steps 11 to 18 for the lower fitting.
19