❒ Open the door
❒ Insert a sheet of paper at both the top and the bottom area at the side of the door
handle between the door and the boiler
❒ Close the door
❒ Try to pull out the sheets of paper
➥ If the paper cannot be removed:
the door is sealed.
➥ If the paper can be removed:
The door is not sealed properly - push the locking plate toward the back.
⇨ See "Adjusting the doors" [page 67]
Adjusting the doors
❒ Using an Allen key (AF 13), loosen the nuts on the locking plate and/or hinge at
the top and bottom
❒ Use suitable tools (e.g. screwdriver and hammer) to move the locking plate and/or
hinge to the rear or the front as needed
➥ Caution: the locking plate and/or hinge must be aligned in the same way at the
top and bottom!
❒ Tighten the nuts at the top and bottom
Checking the seal:
Maintaining the boiler
6
Maintenance work
Owner´s Manual S3 Turbo | B1390016_en-us
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