Worcester GREENSTAR 25CDi GC Instruction Manual page 52

REPLACEM ENT OF PARTS
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28. Plastic protection device
I>
Ensure the system is fully drained.
I>
Disconnect all pipes connected to the
pump housing.
I>
Remove the electrical connection to
the pump.
I>
Withdraw the metal clip to the right of
the pump head to release the pump
housing.
I>
Slide the device to the left and then
withdraw it from the appliance.
28.1
I>
Remove the spring clip from the pres ­
sure relief valve housing.
28.2
I>
Withdraw the pressure relief valve
(Al.
I>
To refit, follow the above in reverse.
Ensure any seals that have been dis­
turbed are renewed.
29. DHW Heat exchanger
I>
Remove the Hydraulic block from the
boiler (See Removing the Hydraulic
Block).
29.1
I>
Undo the two screws (B) securing the
plastic housings to the heat exchanger.
29.2
I>
Remove the heat exchanger.
I>
To refit, follow the above in reverse.
Ensure any seals that have been dis·
turbed are renewed.
INSTALLATION" SERVICING ""STRUCTIONS FOR WORCESTER BOSCH GREENST··r ,,"V3OCDV37CDil42 CD;
~WORCESTER
REPLACEMENT OF PARTS
6 720 61
a
700,
(2006111)
Bosch Group