10.0Annual Servicing
36
10.1 Dismantling the Boiler
1. For reasons of safety and economy the boiler
should be serviced annually. ( For location of
British Gas service test point see Changing
Components section of these instructions).
2. Before servicing the boiler please read Section
1.3 Important Information.
3. After servicing, complete the relevant section of
the “Benchmark” Installation, Commissioning and
Service Record Log Book. This should be in the
possession of the user.
4. Isolate the gas and electrical supplies to the
boiler.
5. Open the hinged lower door panel and carefully
disengage the door stay. Remove the door by
opening it 90° and pulling forward (Fig. 93).
6. Remove the outer case from the boiler by
unscrewing the two screws and lifting the case
clear (Fig. 91).
7. Release the four latches retaining the
combustion box door and remove the door
(Fig. 95) .
8. Release the 5-pin electrical plug connecting the
pressure switch and fan (Fig. 94). Withdraw the
fan assembly by pulling forwards from the top
edge (Fig. 95).
Securing Screw
Fan Assembly
Combustion Box Door
Lower Front
Door Panel
Magnets
Hinge
Fig. 91
Fig. 92
Fig. 93
Fig. 94
Fig. 95
Door Stay
Flexible Tubes
To Next Page
Loading...
