20
SERVICING
Hob burner injector removal/replacement.
Unclip the enameled pan rest from the stainless steel burner boss and lift off.
Remove the screw in the burner cap and lift off the burner cap and skirt / flame
spreader. With a 7mm A/F socket, unscrew the injector from the bottom of the
burner mixing tube. Replace/refit using the reverse of the above procedure.
Thermocouple removal/replacement
Disconnect gas and electrical supplies and remove the rear cover as above.
From the underside of the hob, carefully disconnect the appropriate
thermocouple at the gas valve. Remove the spring clip retaining the
thermocouple at the burner.
Remove the thermocouple. Replace/refit using reverse of the above procedure.
Burner cup removal / replacement
Spark ignition wire / electrode removal.
Disconnect from gas and electrical supplies and remove the appliance from
worktop as above.
Disconnect the 12v power wires from the spark generator.
Pull off the fixing clip on the burner and remove electrode from the burner cup.
Trace the electrode wire back to the generator and pull off the connector.
Replace/refit using reverse procedure.
12v Spark Generator replacement
Located on the underside of appliance. Remove all electrode wires.
Unscrew and/or unclip the spark generator and lift off the unit.
Replace/refit using
reverse procedure.
Induction Components
A Thetford approved Service Agent must be consulted if any induction
components require removal or replacement. The induction control circuits and
coils are not user serviceable and are sensitive to electrostatic discharge.
Electrostatic Discharge (ESD) protection must be provided before touching any
electronic components if removing the rear cover, to prevent damage to the
induction control circuits.
Summary of Contents for SHB981 Series
Page 22: ...22 Fig 6 Mains Wiring Diagram...
