Installation and operating instruction
Oil burner WL40Z-A
9 Servicing
83298002 3/2019-11 La
70-112
9.10 Removing and refitting fan wheel
Observe notes on servicing [ch. 9.1].
Removing
Place housing cover into service position [ch. 9.8].
Remove grub screw
1
and remove fan wheel.
Refitting
Refit fan wheel in reverse order and
ensure correct alignment of the spring washer
2
,
screw in new grub screw
1
,
turn fan wheel to ensure it moves freely.
1
2
1
2
9.11 Remove burner motor
Observe notes on servicing [ch. 9.1].
Remove the oil pump [ch. 9.9].
Remove fan wheel [ch. 9.10].
Unplug plug
1
.
Hold motor and remove screws
2
.
Remove motor.
Only in conjunction with variable speed drive
The variable speed drive sensor is fitted to the burner motor. If necessary remove
variable speed drive sensor.
1
2
