Weishaupt WM-L20/2-A R - Set Pump Coupling

Installation and operating instruction
Oil burner WM-L20/2-A R (W-FM100/200)
9 Servicing
83252902 1/2019-09 La
55-84
9.10 Set pump coupling
Observe notes on servicing [ch.9.1].
A flexible pump coupling is fitted between fan wheel and oil pump.
Remove air regulator cover.
Undo Allen screw2 on the pump coupling.
Align pump coupling in such a way that no axial loading force is applied to the
drive shaft and the coupling centre piece1 is provided with an axial play of
1.5mm.
Tighten Allen screw.
1
2