Glow-worm Ultrapower sxi Range - Manual (Page 59)

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15.13 Heating Expansion Vessel
For access, refer to section 15.1.
Drain the boiler heating circuit, refer to section 15.1.
Remove the retaining clip from the flexible hose at the central
heating pump, see diagram 15.7.
Remove the flexible hose from the pump, ensure the ‘O’ ring
on the connection is seated correctly before re-fitting.
Remove the expansion vessel clamp, see diagram 15.7.
Slide the expansion vessel forward and out from the retaining
bracket.
Remove the flexible hose union nut from the expansion
vessel. When re-fitting ensure that a new sealing washer
is fitted and that the elbow of the flexible connection faces
towards the front of the appliance.
15.14 Heat Exchanger
Refer to Manual Handling Operations, 1992.
For access, refer to section 15.1.
Drain the boiler heating circuit, see section 15.1.
Drain the boiler domestic water circuit, see section 15.1.
Disconnect the flue connection, refer to section 10.
Remove the silencer, refer to section 13.2.
Remove the igniter unit electrical connections, refer to
diagram 15.2.
Refer to section 13.4 for removal of the fan, gas valve and
burner assembly.
15 Replacement of Parts
Diagram 15.7
13354
Diagram 15.8
SILENCER
BRACKET
EARTH
LEAD
IGNITION
LEAD
HEAT
EXCHANGER
SECURING
NUT (4 OFF)
SECURING
SCREW
(2 OFF)
CLAMP
SECURING
SCREW (2 OFF)
CLAMP
IGNITER
UNIT
13351
RETAINING
BRACKET
PRIMARY
EXPANSION
VESSEL
FLEXIBLE HOSE
CONNECTION
SECURING
SCREW (2 OFF)
EXPANSION
VESSEL
CLAMP
RETAINING
CLIP
Top view of CH pump
CH PUMP
FLEXIBLE HOSE
CONNECTION
CH PUMP