Installation and operating instruction
Oil burner WL20/2-C Z
9 Servicing
83307702 1/2019-04 La
50-80
9.11 Removing and refitting fan wheel
Observe notes on servicing [ch.9.1].
Removing
Place housing cover into service position B [ch.9.3].
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.
9.12 Remove burner motor
Observe notes on servicing [ch.9.1].
Remove the oil pump [ch.9.10].
Remove fan wheel [ch.9.11].
Unplug plug 1.
Hold motor and remove screws 2.
Remove motor.