❒ Scrape off all the boiler walls behind the aprons with the furnace tool.
❒ After the primary air openings have been cleaned and the boiler walls scraped off,
mount all aprons back in their previous position and close all the boiler doors.
6.4.7 Set and check the seal on the doors
The example below shows how to set and check the seals on the fuel loading doors.
The procedure is the same for the combustion chamber door and the pre-heating
chamber door!
On the side with the door stop
❒ Close the door
➥ A slight resistance must be felt when there is a gap of 1” (2- 3 cm):
Setting OK
➥ No resistance or only very slight resistance felt:
Setting must be corrected - push the hinge toward the back
⇨ See "Adjusting the doors" [page 67]
➥ Resistance noticeable at a gap of >1” (> 3 cm):
Setting must be corrected - push the hinge toward the front
⇨ See "Adjusting the doors" [page 67]
Checking the setting:
Maintaining the boiler
6
Maintenance work
Owner´s Manual S3 Turbo | B1390016_en-us
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