Glow-worm Ultimate c - Manual (Page 42)

0020167175_01 - 02/13 - Glow-worm
18.2 Boiler Access
For replacement of parts, the front casing panel of the boiler will
need to be removed.
•
To remove undo the two screws on the underside of the front
casing and lift off .
18.3 Viewing window
3
4
5
2
1
Key
1 Fibre washer
2 Steel washer
3 Glass
4 Steel washer
5 Circlip
•
Remove the circlip (5).
•
Remove the steel washer (4).
•
Remove fi bre washer (1).
•
Remove the glass (3).
18.3.1 Expansion vessel
B
C
D
E
A
3
2
1
4
2
1
Key
1 Connector
2 Expansion vessel
3 Upper support bracket
4 Retaining screw
5 Gasket
Drain the boiler heating circuit as described in the appropriate
chapter "Draining".
•
Remove the two screws (4).
•
Undo the connector (1) at the base of the vessel.
•
Remove upper support bracket (3).
•
Remove the expansion vessel (2).
•
Fit a new gasket between the expansion vessel and connector.
•
Refi ll, vent and pressurise the boiler.
MAINTENANCE
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