.
Unscrew the fixing screw of the fan wheel.
.
Remove intermediate bushing and coupling head.
.
Withdraw the fan wheel from the motor shaft using an extractor.
.
Loosen the wedge and the base bushing.
5.4.3
5.4.3
Mounting the fan wheel
Mounting the fan wheel
.
Place the base bushing.
.
Set the wedge into the shaft slot.
.
Pull the fan wheel to its place using a binder plug. The fan wheel lies against the base
bushing.
.
Place the coupling head and the intermediate bushing.
.
Fasten the fan wheel with fixing screws to the motor shaft.
.
Place the motor and fasten the screws.
.
Support with hand the intermediate shaft and install the oil pump. Fix the pump with
locking screws.
.
Check the axial gap of the coupling heads (1-2 mm). Adjust, if necessary.
.
Place the air dampers.
.
Fix the pressure pipe of the oil pump (remember to vent the oil pump).
.
Connect the electrical cable to the motor.
.
Fix the fuses and connect the burner to the mains (check direction of rotation in the
motor).
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5. Maintenance