Installation and operating instruction
Oil burner WL40/1-A Z-1LN-A
9 Servicing
83319702 1/2020-10 La
75-116
9.11 Removing and refitting fan wheel
Observe notes on servicing [ch. 9.1].
Removing
Place housing cover into service position [ch. 9.9].
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