Maintenance; Faults; Repair; Type H And Hs Nozzles - Simco-Ion H Notice D'utilisation

8. Maintenance

Warning:
 When carrying out work on the equipment: de-energise the equipment.
Clean the emitter points at regular intervals. To do so, use a hard non-metal brush.
If heavily fouled: remove the points (using a 3/16" spanner) and clean them with isopropyl
alcohol (not for HE nozzles).

9. Faults

Problem
No/poor ionization
No high voltage on the
emitter points
Table 1: faults

10. Repair

10.1. Type H and HS nozzles

The top and emitter point of these nozzles can be replaced.

10.2. Type HE nozzles

The HE nozzle comprises four components: top, body, internals and connecting nipple. These
components can be replaced.

10.2.1. Dismantling the HE nozzle (see fig. 3)

1. Place the blade of a suitable screwdriver into the opening between the body and the top and
force up the top by turning the screwdriver a little.
2. Take the top from the body.
3. Take the internals from the body.
4. The HV cable can now be removed.
The connecting nipple can be removed from the body by turning.
H/HS/HE_UM_9752041010_NL_D_GB_F_V2_0
Cause
No high voltage
Emitter point fouled
Emitter point damaged
High voltage power unit
defective
Short circuit in the HV
cable or nozzle
Remedy
Restore high voltage
Clean emitter point
Replace emitter point
Repair the high voltage
power unit
Eliminate short circuit
and/or return nozzle for
repair
GB
25