13. RE-ASSEMBLY

SERVICING

11.BOILER HEAT EXCHANGER

The boiler access door is behind the programmer mounting panel.

Carefully remove the programmer mounting panel secured with fixing screws and disconnect the electrical plug.

Remove the boiler access door by unscrewing the 4 wing nuts

-check rubber seal and renew if necessary.

Remove the baffles in order - noting the orientation

Brush and remove all deposits from the inner surface of the heat exchanger and clean baffles if necessary.

See diagram for boiler and cooker flue ways for access to clean boiler flue off take.

Remove flue deposits from the chamber using a vacuum cleaner.

Replace baffles in the correct order.

Replace boiler access door ensuring that the rubber seal makes a gas tight seal.

DO NOT FIT THE BOILER BURNER UNTIL THE COOKER BURNER HAS BEEN FITTED

12.COOKER FLUEWAYS

Remove the hotplate by unscrewing the countersink screws as shown in diagram and fit carrying handles and lift out.

WARNING: THE HOTPLATE IS VERY HEAVY AND IT MAY TAKE TWO PEOPLE TO LIFT OUT - CARE MUST BE TAKEN AS DAMAGE TO THE HOTPLATE BLACK VITREOUS ENAMEL SURROUND COULD OCCUR.

With the hot plate removed the combustion chamber can now be accessed through the combustion chamber access opening. Simply extract the securing ring stud and slide the cover to one side.

Remove access panel on the boiler/cooker manifold to clean flueway. Check seal and renew if necessary on re-assembly.

WARNING: BEFORE REMOVING THE INSULATION PLEASE READ HEALTH & SAFETY INSTRUCTIONS

The final access plate is found in the base of the top oven and is removed by unscrewing the retaining screws.

Remove any deposits with a suitable brush and vacuum cleaner and ensure ALL flueways are free from obstruction.

When the appliance is thoroughly cleaned and free from any obstruction -

IT IS VERY IMPORTANT THAT ALL SEALS/GASKETS ARE IN GOOD CONDITION, IF NOT REPLACE

Refit all parts in reverse order, again ensuring all access panels are sealed correctly, including the flueway top plates, hotplate and oven access plate.

FAILURE TO DO SO WILL ENABLE FLUE GASES TO ENTER THE ROOM

Remember when fitting the top plate and hot plate that they are VERY HEAVY AND IT MAY TAKE TWO PEOPLE TO LIFT -

CARE MUST BE TAKEN AS DAMAGE TO THE BLACK VITREOUS ENAMEL COULD OCCUR.

Refit both burners (cooker burner first)

Turn on gas and electricity supplies.

Check the combustion of both burners and adjust if necessary, referring to burner data.

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Honeywell Central Heating Cooker Natural Gas manual Boiler Heat Exchanger, Cooker Flueways

Central Heating Cooker Natural Gas specifications

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