No tape or glue is used in this threaded connection. When dismounting the burner
from the boiler, the gas line is disconnected from this connection.
5. Support the mounted gas assembly to eliminate any torsional tension.
To connect the servomotor cable to the burner control unit:
1. Remove gas damper servo gland (b) from the lead in plate (c).
2. Push the servomotor plug through the lead-in plate hole and lead the plug to the
control unit terminal X33.
3. Push the plug into the connector.
4. Pull excess length of the cable into the burner but leave a loop of cable outside to
enable the burner to be swung open.
5. Re-attach the gland (b)
To open the burner:
You can open the burner from its hinged joint, for example, to adjust the ignition
electrodes or to change or clean nozzles.
1. Switch off the power from the burner by turning the control switch.
2. Close the gas supply from the gas shut-off valve.
3. Close the oil supply from the oil shut-off valve.
4. Detach the oil hoses (15) other end from the connector.
Clean the possible oil dripping from the oil line with oil soaking fabric, for example.
5. Open the hinged flange locking screw (16).
Now you can open the burner from the hinged joint.
When closing the burner, perform the steps in reverse order.
To detach the burner from the boiler:
1. Switch off the power from the burner by turning the control switch
2. Close the gas supply from the gas shut-off valve.
3. Close the oil supply from the oil shut-off valve.
If needed, open the burner oil line from the suction and return hoses. Clean the
possible oil dripping from the oil line for example with oil soaking fabric.
4. Detach the electrical plugs from the gas valve.
5. Detach the servomotor cable (1.5) from the burner control unit (17).
For more instructions, see step 2 in section To connect the servomotor cable to the
burner control unit.
6. Open the gas supply line from the connection of the adjustable elbow fitting.
For more instructions, see step 2 in section To mount the gas module to the burner.
7. Support the burner on solid platform and detach the burner tightening screws.
8. Pull the burner out from the boiler.
When attaching the burner to the boiler, perform the steps in reverse order.
When pushing the burner to the boiler, check that the insulating material
around the combustion head is undamaged and in its place.
Check that gas and oil lines are leak-proof before taking the burner into
use again.
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M5164 1640EN
Summary of Contents for GKP-50 MH
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