Installation and operating instruction
Oil burner WL40/1-A Z-1LN-A
9 Servicing
83319702 1/2020-10 La
69-116
9.5 Removing and refitting nozzle shut off
Observe notes on servicing [ch. 9.1].
Removing
Remove nozzle [ch. 9.4].
Counter-hold the nozzle assembly
4
using a spanner and remove nozzle holder
1
.
Remove valve piston
2
and compression spring
3
using a suitable tool (e. g.
pliers), do not damage valve piston and O ring.
1
2
3
4
Refitting
Do not refit damaged valve pistons, replace as necessary.
Refit nozzle shut off in reverse order.
Check nozzle distance [ch. 9.8].
Set ignition electrodes [ch. 9.6]