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7.7
Fan motor replacement
1.
Disconnect the main power and shut off the fuel supply.
Service position 2 can be used.
2.
3.
Remove the electrical connection from the motor.
4.
Remove the electrical box retaining screw.
5.
Remove the cable conduit entry to the ignition electrodes and the
preheater (where fitted) and remove the photocell cable from the
motor flange.
6.
Undo the screws (H) to the motor flange, 5 pcs.
7.
Lift away the motor.
Remove the drive coupling end from the motor shaft, loosen and
8.
remove the fan wheel.
9.
Install the fan wheel on the new motor, tighten the locking screw. The
fan wheel must be installed in the bottom position toward the motor
shaft. Install the drive coupling end.
10.
Align and fit the motor flange to the fan housing. Pay attention to the
drive coupling so that it does not fall out, and also that it aligns
correctly in the drive coupling end of the motor and pump.
11.
Bolt the motor flange and fan housing together. Tighten the screws
diagonally, and do not tighten hard one at a time. This is in order to
ensure the fan housing and the motor flange assume the correct
relative positions.
12.
Place the cable conduit entry and the photocell cable in position.
13.
Screw the electrical console in place.
14.
Connect the motor wiring.
15.
Join together the fan housing and the burner front piece.
16.
Switch on the main power and open the fuel supply.
17.
Start burner and check/adjust combustion.
!
When servicing/replacing components that affect combustion,
flue gas analysis and soot test must be carried out following installation.
30
Bentone
H
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