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11.0 Servicing the Boiler
Case Front Panel
11 .1
Annual Servicing
1. For reasons of safety and economy, it is
recommended that the boiler is serviced annually.
Servicing must be performed by a competent
person.
2. 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.
3. Ensure that the boiler is cool.
4. Ensure that both the gas and electrical
supplies to the boiler are isolated.
Fig. 39
5. Slacken the facia securing screws and lift the
outercase panel so that its securing tabs are clear
Facia Panel
of the facia. Remove the panel (Fig. 39).
Securing Screws
6. Remove the facia securing screws and hinge
Fan Wires
the facia panel down.
Ease Outlet Sealing
Collar Upwards
7. Remove the screws securing the inner door
panel. Lift the panel slightly to disengage it from
the studs on top of the case (Fig. 41).
8. Note the positions of the two sensing tubes on
the outlet elbow and three wires on the fan motor
and remove them (Fig. 40).
Fan
Sensing Tubes
9. Slacken the screws on the outlet sealing collar.
Fig. 40
Ease the collar upwards as far as possible
Outlet Sealing
(Fig.40).
Collar
10. Remove the four screws securing the
combustion box door and remove the door
(Fig. 41).
Combustion
Box Door
Inner Door
Panel
Fig. 41
26
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