Fan Assembly; Pump - Worcester benchmark ZWB 7-25 R 25 HE Design, Installation And Servicing Instructions

8.3.2

Fan Assembly

4.
Fig. 61
B Switch off the appliance.
B Disconnect the appliance from the power supply.
B Undo lower pipe union on gas pipe (1.). Refer to
fig. 61.
B Remove fan lead and earth connector (2.). The earth
connector has a positive clip fixing.
B Remove fixing screws attaching fan to the burner
cover (3.).
B Remove fan together with gas pipe and mixer unit.
B Separate the fan from the pipe and mixer unit by
twisting the mixer unit to release it (4.).
6 720 611 441 GB (03.11)
3.
2.
1.
7 181 465 330-05.1R
8.3.3

Pump

B Switch off the appliance.
B Disconnect the appliance from the power supply.
B Remove two switchbox fixing screws (1.). Refer to
fig. 62.
B Lower switchbox (2.).
B Unscrew and remove the the siphon by releasing the
jubilee clip. Refer to fig. 58.
B Unscrew the pump union nuts (5.). Refer to fig. 62.
B Carefully remove the pump and disconnect the leads.
Alternatively
B After removing the siphon release the four Allen
screws and remove and replace the pump head.
1
Fig. 62
Maintenance
3
1
2
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