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Replacement parts
10
Replacement parts
WARNING
Mains supplies - Isolate the appliance
▶ Turn off the gas supply and isolate the mains electrical supply before
starting any work and observe all relevant safety precautions.
▶ Drain the appliance/system where necessary and protect any
electrical equipment from water ingress during component
replacement.
NOTICE
Component replacement:
▶ After replacement of a gas carrying component, where a gasket or
seal has been disturbed or replaced, check for gas tightness using a
gas sniffer/leak detection fluid.
▶ On re-assembly check all affected seals for cracks, hardness and
deterioration.
If damaged or in any doubt the seal must be replaced.
▶ Also after re-assembly, carry out the following check:
Flue gas analysis
Only use Worcester, Bosch Group original spare parts with this
appliance. Non Worcester, Bosch Group original spare parts will
invalidate the guarantee (if applicable) and any warranty.
▶ A comprehensive list of appliance spares can be found on the website
www.worcester-bosch.co.uk/spares
10.1
Component access
Removing the casing
▶ Remove the front casing ( Figure 41, page 32).
10.2
Draining the appliance
CAUTION
Risk of scalding!
▶ The drain point is only intended for draining the appliance. The
appliance must be isolated before the drain point is opened.
▶ Take care when draining down, hot residual water can represent a
potential scalding risk
NOTICE
Risk of water damage to appliance or property!
Damage from disconnecting water pathways which may have retained
some water.
▶ Take care after draining the appliance to protect equipment/property
from residual water content within components.
Many of the tasks in this section require that the appliance be isolated
and drained. This will be indicated in the manual if required.
62
Refer to figure 96.
▶ Connect a suitable hose or use a suitable container to collect any
water.
▶ Open the drain valve by rotating the lever to the left.
Fig. 96 Drain point
10.3
Replace the insulation on the burner door
Fig. 97 Remove the insulation
[1]
Insulation
[2]
Burner door
▶ Remove the burner door (Chapter 9.7.1 "Checking the electrodes
and cleaning the heat exchanger", page 55).
▶ Remove electrode set (Chapter 10.4, page 10.4)
▶ Loosen the defective insulation by sliding a thin tool under the
periphery of the insulation.
▶ Remove the insulation [1].
▶ Clean the residues of the insulation and silicone glue on the burner
door [2] with a nylon brush.
Greenstar 1000 – 6721835943 (2023/08)
0010051403-001
1
2
0010045747-001
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