Glow-worm Ultracom2 cxi - Manual (Page 48)

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MAINTENANCE
19 Replacement of Parts
• Do not use reconditioned or copy parts, only use original
parts supplied by Glow-worm.
• If a part is required, contact the Glow-worm service
organisation.
• Please quote the name of the appliance, this information will
be on the name badge on the front of the appliance.
• If in doubt seek advice from the local gas company or Glow-
worm’s own service organisation.
a Replacement of parts must be carried out by a
competent person approved at the time by the
Health and Safety Executive.
PLEASE NOTE: During change of part of the combustion
circuit, we recommend that the following is the following must
be checked:
- The integrity of the flue system and the flue seals,
- The integrity of the boiler combustion circuit and the relevant
seals,
- The operational (working) gas inlet pressure at maximum
rate,
- The gas rate,
- The combustion performance.
19.1 General
b
The replacement of parts described in sections
"Combustion block" will require the removal
of the burner module assembly and the
replacement of seal and self locking nuts.
Replacement parts that have associated components that need
replacing on removal, i.e. ‘O’ ring, seals, gasket, etc., will need
to be supplied and should be fitted.
• Before replacing any parts of the boiler, isolate from the
mains electric supply and turn off the gas at the gas service
isolation valve on the boiler.
Unless stated otherwise parts are replaced in the reverse order
to removal.
• After replacing any parts, always test for gas soundness and
if necessary carry out functional test of the controls.
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
24 V
230
V
1
1
2
3
4
5
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).