1 Induced-draught fan 3 Position open-ended wrench
always stays with the boiler!
2 Flue gas collecting chamber
4
Lift off the cladding cover.
4
Use the supplied open-end wrench from the position in the right cable duct (3) to loosen
the four cover bolts M8x30 under the insulation.
Lift off the boiler cover with a turning motion.
4
Vacuum the fly ash out of the collecting chamber (2).
4
Remove any possible encrustation on the impellers of the induced draught fan (3).
4
Check the silicon seal of the boiler cover before you place the cover on again and secure
with the bolts.
4
Insert the open-end wrench back into its original position before you place the cladding
cover on again.
Cleaning the head section for suction conveyor system
1 Suction hose 4 Return air hose
2 Drive 5 Wall duct
3 Inspection opening 6 Mounting bracket, bearing side
m
The head section
for the suction conveyor has an inspection opening (3) on each side.
4
Unscrew – on both sides – the 4 self-drilling screws 5.5×19 in each case.
4
Remove the two inspection covers.
4
Remove the deposits in the area of the worm.
7.4.5
7.4.6
Maintenance
7
Maintenance steps
B KWB Easyfire EN, 05.2011
49