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4.
Hold the gas body
④
firmly, and pull out the gas pipe
⑥
, the burner nozzle
⑤
, and the
ignition plug
⑦
slowly and simultaneously.
5.
Remove the union or the flange from the air piping.
6.
Loosen the hexagon headed bolts fixing the air body
③
to
the furnace body.
7. T
he combustion tube
①
is removed after removing the air body
③
. (If an excessive force has
to be applied, be very careful not to break the combustion tube.)
8.
If the insulator or the like of the ignition plug
⑦
has irregularities, such as crack, replace it
immediately (or ignition failure will be caused).
9.
To replace the burner nozzle
⑤
by a new burner nozzle, loosen the hexagon socket setscrew
⑫
from the burner nozzle
⑤
.
10.
Check the ceramic tube on the state of the inside and outside. If the combustion tube is broken,
contact us for consultation as combustion may often be hampered.
11. Reassemble the burner by reversing the order of the above steps.
(
CJ - 4
)
1.
Confirm that the shut-off valve, the solenoid valve and the combustion blower are powered OFF.
2.
Loosen the union and others of the gas piping.
3.
Loosen the hexagon headed bolts
⑭
fixing the air body
③
and the gas body
④
.
4.
Hold the gas body
④
firmly, and pull out the gas pipe
⑦
, the rai nozzle
⑤
, the ignition plug
⑧
and the gas nozzle
⑥
slowly and simultaneously.
5.
Remove the union or the flange from the air piping.
6.
Loosen the hexagon headed bolts fixing the air body
③
to
the furnace body.
7. T
he combustion tube
①
is removed after removing the air body
③
. (If an excessive force has to
be applied, be very careful not to break the combustion tube
①
,
ceramic receive packing
⑳
and ceramic press down packing
㉑
.)
8.
If the insulator or the like of the ignition plug
⑦
has irregularities, such as crack, replace it
immediately (or ignition failure will be caused).
9.
To replace the air nozzle
⑤
by a new air nozzle, loosen the hexagon socket setscrew
⑫
where it
is attached to air nozzle
⑤
after confirmation positioning of the processing hole of air nozzle
⑤
and
gas nozzle
⑥
, and please work on exchange. If the position of the processed hole of the air nozzle
⑤
and the gas nozzle
⑥
is different from the time of purchase, combustion is hampered.
