108 A20733 B0
Adjustment and replacement procedures
1 Adjustment procedures
1.1 Jet break-off point
Special tools:
- Bifocal lens (eyeglass).
PREPARATION
1- Place the head on the support stand.
2- Start the jet and leave it running for at least half an hour.
3- Remove the upper cover and the head cover.
ADJUSTMENT
4- The adjustment procedure must be performed while looking at the jet through the eyeglass
(see Figure 1).
Start the operation by turning the potentiometer to its anti-clockwise end stop. The jet will be
continuous. Turn slowly clockwise until the jet break-off point is observed at the centre of the
charge electrode. Aim for the form shown by 6 on Figure 1.
IMPORTANT Adjust the potentiometer carefully to avoid damaging it.
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