Bentone BG 300LN, Инструкция по установке и обслуживанию

Страница: 19 / 36

20
172 305 62 03-01
GENERAL INSTRUCTIONS
Adjustment of shrouded disc and burner head
The burner head is firm adjusted and there are no possibilities of
settings besides the adjustment and the inspection of the ignition
electrode and the ionisation electrode.
Inspection of burner head when multi-bloc MB...407
The burner head, the shrouded disc and the electrodes can be inspected
by following the instructions below:
Loosen the nut
a , the nut b to the impulse line P
L
, the plug-in contacts c
and the screws d . Pull out the fan housing part. Loosen carefully the
ionisation and ignition cables. When the fan housing part is separated
from the fixing flange, the combustion unit can be checked as follows:
Loosen the screws
e and pull out the combustion unit.
Note! Greatest caution at this working moment.
When making service to the burner,
switch off the electric current and the gas supply. Do not forget the gaskets
and O-rings and to check the density after the service.
This screw should be loosen when pulling out the blast tube. When re-
mounting the blast tube, push the blast tube so far into the flange that the
ring in the blast tube fits tight to the combustion head.
a b c e
d