Installation and operating instruction
Gas burner WG30…/1-C ZM-LN
9 Servicing
83299902 1/2019-02 La
77-124
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 washer2,
screw in new grub screw1,
turn fan wheel to ensure it moves freely.