Installation and operating instruction
Gas burner WG10…/0-D ZM-LN
9 Servicing
83300902 1/2019-02 La
71-112
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 screws4 and remove reducing ring3.
Remove grub screw 1 and remove fan wheel.
Refitting
Refit fan wheel in reverse order and
ensure correct alignment on the motor shaft2,
screw in new grub screw1,
turn fan wheel to ensure it moves freely.
9.8 Remove burner motor
Observe notes on servicing [ch.9.1].
Remove fan wheel [ch.9.7].
Unplug plug number3 and11.
Disconnect + and - hoses.
Undo screws 1 and remove air pressure switch.
Hold motor and remove screws2.
Remove motor.