Glow-worm Ultracom 2 30cxi - Page 49

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0020085231_02 - 05/10 - Glow-worm
- 47 -
19.3.1 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.
• Rell, vent and pressurise the boiler.
MAINTENANCE