Checking the seal
❒ Open the door
❒ Insert a sheet of paper at both the top and the bottom between the door and the
boiler
❒ Close the door
❒ Try to pull out the sheet of paper.
➥ If the paper cannot be removed:
door is tightly sealed.
➥ If the paper can be removed:
door is not sealed properly - tighten the locking hook!
⇨ See "Positioning the burning chamber and combustion chamber door" [page
49]
4.6.5 Positioning the burning chamber and combustion chamber door
The example below shows how to position the burning chamber door. The procedure
is the same for checking the seal on the combustion chamber door.
❒ Loosen the nut on the locking hook
❒ Tighten or loosen the locking hook as required
❒ Fix in place using lock-nuts
Servicing
4
Periodic inspection and cleaning (approx. 3,000 hrs)
Operating Instructions | B1300015_en
49
