Ordering Spare Parts - Nederman NOM 4 Manual De Instrucciones

6 Maintenance
Installation, repair and maintenance work is to be carried out by qualified personnel using only
original Nederman spare parts. Contact your nearest authorized distributor or Nederman for
advice on technical service.
WARNING! Risk of personal injury.
Use necessary personal safety equipment when servicing the filter unit, specially when cleaning
or replacing the filter cartridges.
6.1 Service instructions (Figure 3)
If the damper is fully open and the airflow through the filter is still too low, it is necessary
to clean and/or replace the filters. If a pressure gauge (accessory) is installed take measures
according to the following description: The pre-filter should be cleaned when the pressure
on the gauge is 600 Pa. If the pressure still is 600 Pa when the pre-filter has been cleaned the
HEPA-filter should be changed.
WARNING! Risk of personal injury.
Switch off the fan.
1. Switch off the fan.
2. Loosen the eccentric locks on the top cover.
3. Remove the top cover.
4. Use the quick coupling to loosen the main canle from the motor.
5. Take out the fan.
6. Clean the pre-filter and, if necessary change the HEPA-filter. (see figure 3A)
6.2 Cleaning the pre-filter
Wash from above with water based degreasant. Maximum 60 °C. No high washing pressure.
For example: Chamber washer 5–6 times / filter. Let the filter dry before it is replaced.
6.3 The drain pipe
Wallmounted filter unit
When small metal particals contaminate the oil reservoir it is necessary to ensure that the drain
pipe does not become dogged.
6.4 Spare parts
Contact your nearest authorized distributor or Nederman for advice on technical service or if
you require help with spare parts. See also www.nederman.com.

Ordering spare parts

When ordering spare parts always state the following:
• Part number and control number (see the product identification plate).
• Detail number and name of the spare part (see www.nederman.com).
• Quantity of the parts required.
NOM 4 EN
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