88
EN
8.2.11 Cleaning the pump filter
To clean the filter (1), remove the cover (2) and extract the filter,
After cleaning:
– mount the filter back on (1)
– check the seal of the cover (2) and replace it if necessary
– put the cover (2) back on and tighten the screws firmly.
2
1
Fig. 71
8.2.12 Checking the pump rotation
To verify whether the pump rotates freely:
– detach the oil pipe from its housing (1)
– detach the connector from the solenoid valve housing (2)
– loosen the screws (3) using the Allen key provided
– remove the pump (4) and the connecting joint from the motor.
3
2
4
1
Fig. 72
– manually turn the shaft (3 or 4 times clockwise and an-
ti-clockwise)
Fig. 73
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.
8.2.13 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
8.2.14 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. 74
– 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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