7
HOB SERVICE INSTRUCTIONS
Hob Burner Gas valve removal/replacement
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Shut off gas supply and disconnect gas supply pipe from the unit.
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Remove the hob from the bench top.
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Remove the appropriate control knob by pulling up.
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Unscrew the gas valve retaining nut.
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From the underside of the hob, unscrew the appropriate thermocouple nut at the
gas valve.
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Unscrew the appropriate gas supply pipe nut.
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Remove the appropriate gas valve clamp by unscrewing the two screws.
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Remove the gas valve.
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Replace the tap and gasket. Refit using reverse procedure.
Hob Burner Injector removal/replacement
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Remove the pan support by pulling up to release it from the plastic clips.
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Remove the appropriate burner cap and skirt.
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With a 7mm A/F socket, unscrew injector from the bottom of the burner mixing tube.
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Replace/refit using the reverse procedure.
Thermocouple removal/replacement
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Shut off gas supply and disconnect gas supply pipe from the unit.
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Remove the hob from the bench top.
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Unscrew the appropriate thermocouple nut next to the burner.
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From the underside of the hob, unscrew the appropriate thermocouple nut at the
gas valve.
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Remove the thermocouple.
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Replace/refit using reverse procedure.
Grill burner removal/replacement
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Shut off gas supply and disconnect gas supply pipe from the unit.
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Remove the hob from the bench top.
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Unscrew the two screws retaining the grill burner to the hob.
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From the underside of the hob, unscrew the thermocouple nut at the grill burner.
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Lift the grill burner clear of the thermocouple and injector.
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Replace/refit using reverse procedure.
Grill Injector removal/replacement
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Follow procedure to remove grill burner
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With a 7mm A/F socket, unscrew the injector from its holder.
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Replace/refit using reverse procedure.
Summary of Contents for S-656/MK 12 series
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