Glow-worm Ultracom2 35 Store - Manual (Page 52)

0020112185_PROTO_13 - 01/11 - Glow-worm
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19.2 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.
19.3 Viewing window
230 V
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 fibre washer (1).
• Remove the glass (3).
19.3.1 Central heating expansion vessel
A
B
C
D
E
3
4
2
1
1
Key
1 Connector
2 Expansion vessel
3 Upper support bracket
4 Retaining screw
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.
• Refill, vent and pressurise the boiler.
MAINTENANCE