Installation and operating instruction
Gas burner WG40…/1-A ZM-LN
9 Servicing
83300002 1/2019-02 La
77-128
9.7 Removing and refitting fan wheel
Observe notes on servicing [ch. 9.1].
Removing
Place housing cover into service position [ch. 9.6].
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