Filter Cleaning; Motor And The Fan Unit; Running Meter; Spare Parts - Nederman L-PAK Serie Manual De Instrucciones

8.3

Filter cleaning

Check the automatic cleaning equipment.
Remove the top cover from the collector and inspect the valve disc.
Start up the unit and press the Manual Filter Cleaning button, see figure 7.
The compressed air cylinder should lift the valve disc and a loud noise can be
heard as air rushes into the collector to blow off the dust from the outside of
the filter package.
NOTE! If the vacuum cleaner comes with a control system for timer controlled
cleaning, see it's settings instructions for information regarding its use.
8.4

Motor and the fan unit

The motor has 2 ball bearing. The bearings should be replaced after
approximately 20,000 of operation. If ambient temperature often reaches
40 °C (104 °F) this figure should be reduced to 15,000 hours.In any case the
bearings should be changed every fifth year.
The bearings are a standard type and can be fitted by any firm equipped to
rewind electrical motors. Old grease should be removed and new grease used.
The grease must be up to the DIN 51825- K3N standard. Suitable brands are
Shell Grease 16, Esso Unirex N3 and Statoil Uniway UTC 3.
NOTE! Check all power conductor connections and ground wires regularly.
Retighten if required to ensure good contact.
NOTE! Check regularly that the exhaust air duct is not defective, all the way
from the fan to the duct's outlet. Remember that the exhaust air duct can be
hot.
8.5

Running meter

The unit is equipped with a running meter that indicates when a service/
maintenance should be carried out.
This is indicated by the white lamp on the control panel flashing slowly. When
indicated, service/ maintenance must be carried out at the earliest possible
date. Time between service is 2000 hours.
8.6

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.
L-PAK 150, L-PAK 250 EN
23