Unigas URB40, Руководство по установке, использованию и обслуживанию

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PART IV: MAINTENANCE
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Replacing the ignition electrode
ATTENTION: to assemble the combustion head, reverse the operation described above.
To reassemble the gas lances, pay attention to insert them in the same position as before, checking the referen-
ces H on the operator side top plate (P)
ATTENTION: avoid the electrode to get in touch with metallic parts (blast tube, head, etc.), otherwise the boiler operation
would be compromised. Check the electrode position after any intervention on the combustion head.
EC
To replace the ignition electrode, proceed as follows:

disconnect the electrode cable (EC – see picture above)

loose the screws that fasten the ignitor plate and remove the ignitor ass.y;

loosen the screw that fixes the ignition electrode to the burner ignitor;

remove the electrode and replace it.