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8 servicing – Glow-worm Hideaway 40BF User Manual

Page 18

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18

221691B

8 Servicing

BURNER SERVICING

Diagram 8.8

Diagram 8.7

REMOVAL OF BURNER FROM
COMBUSTION CHAMBER /
SUPPLY FEED PIPE

SUPPLY
FEED PIPE

MAIN
BURNER

GRAPHITE
COATED
NUT(2)

INJECTOR

0939

GRAPHITE
COATED
NUT (2)

SUPPLY
FEED
PIPE

MAIN
BURNER

COMBUSTION
CHAMBER
COVER

0931

BURNER
SUPPORT
BRACKET

SCREW (2)

Diagram 8.6

FLUEWAY
BAFFLE

HEAT
EXCHANGERS

6139

8.2 Burner and Injector

Follow instructions to remove the cover, burner and controls
assembly as in Section 8.1.

Remove the two screws and nuts securing the burner support
bracket to the combustion chamber cover, see diagram 8.7.

Remove the graphite coated nuts on the supply feed pipe at the
rear of the burner to release the burner, take care not to damage
the pilot burner and shield when removing.

Clean burner thoroughly.

Check the main burner injector for blockage or damage and
replace if necessary, see Section 9.2 and diagram 8.8.

8.3 Service Checks

Inspect the pilot burner, thermocouple and clean or replace as
necessary. If necessary remove the pilot shield by removing the
securing screw and nut.

Check the condition of the side and rear insulation panels in the
combustion chamber.

Check the condition of the seals on the cleaning door and the
combustion chamber cover.

Replace all items in the reverse order, relight and test the boiler.

HEAT
EXCHANGERS

FLUE
BAFFLE

FLUEWAY
BAFFLE

Diagram 8.5

6141