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Installation and operating instruction
Oil burner WL5/1-B H-2LN
9 Servicing
83058402 1/2019-04 La
38-72
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. 9.9].
Set ignition electrodes [ch. 9.6]
9.6 Set ignition electrodes
Observe notes on servicing [ch. 9.1].
The ignition electrodes must not touch the nozzle's atomising cone.
Place burner into service position A [ch. 9.3].
Check distance of ignition electrodes.
If necessary adjust ignition electrodes by slightly bending.
1.0 ... 2.0 mm
1.5 ... 2.0 mm
2.0 ... 2.5 mm