88
EN
Replace the pump if remains seized or if it resists manual ro-
tation.
To mount the pump back on:
– apply the joint to the pump shaft (4) and insert it in the motor
housing
– screw the oil pipe onto the housing (1)
– put the connector back onto the solenoid valve housing (2).
a
WARNING
When the burner starts up, check that there are no
leakages from the pump.
8.3.13 Scheduled replacement of worn components
The table below shows the components subject to wear and
their life cycle, at the end of which they should be replaced
exclusively by the
Sime
Technical Service or by professionally
qualified personnel
Components
Life cycle
(years)
Nozzles
1
Seals
2
Fuel supply pipes
2
Flame monitoring systems
3
Ignition electrodes
2
Power cable
5
Magnesium anode
1
8.3.14 Cleaning the heat recovery device
To clean the heat recovery device:
– loosen the screws (1) and remove the cover (2)
– detach the siphon (3) and replace it with a provisional pipe
which must be brought to a network drain
4
1
2
3
Fig. 79
– spray some detergent/degreaser on the plates (4) and wait for
it to take effect
– rinse the plates with abundant water.
After cleaning
– detach the provisional drainage pipe
– fill the siphon (3) with water and connect it again to the heat
recovery device and to the network drain
– put the cover back on (2) and fasten it with the screws (1) re-
moved previously (roughly 3 Nm force).
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