Weishaupt WM-L20/2-A R - Removing and Refitting Oil Quantity Regulator Actuator

Installation and operating instruction
Oil burner WM-L20/2-A R (W-FM100/200)
9 Servicing
83252902 1/2019-09 La
54-84
9.9 Removing and refitting oil quantity regulator actuator
Observe notes on servicing [ch.9.1].
Removing
Remove actuator cover.
Unplug plug and remove cable entry gland3.
Remove view port 1 – or – if the actuator is not at 0°, remove plug 2.
Undo locknut 5.
Remove screws4.
Remove actuator from the coupling.
1
2
3
4
5
If the intermediate housing or the coupling need to be replaced:
Undo second locknut2 of coupling.
Carefully pull coupling from drive shaft.
Remove shaft keys 1.
Undo fixing screws and remove intermediate housing 3.
1
1
2
3
Refitting
Refit actuator in reverse order.
Ensure correct alignment of shaft keys.
Push coupling carefully and without pressure onto shaft.
Check address and Bus termination, see installation and operating manual Com-
bustion Manager.