E-PAK 150 DX/300 DX/500 DX
45
EN
CAUTION! Risk of equipment damage
It is important that no dust, objects or debris are allowed to fall down into
the inlet of the side channel fan.
6.
Check that the two Ø 6 mm hoses connected to the top and side of the
inlet are free from dust or other deposits The hoses are connected to the
Differential Pressure Switch (DPS), see Figure 19.
7.
Insert the new control filter.
8.
Refit the filter lid and clamping ring.
9.
Refit the top cover and the exhaust duct.
10.4.2
Individual filter bags
Replacing individual filter bags is possible, but we recommend replacing the
whole filter package, including the filter panel and locking rings, as it is quicker
and causes less spreading of dust.
Individual filter bags which have been damaged may be replaced, see Figure
17. Use a robust screwdriver to detach the plastic locking ring.
The coiled spring may be kept for use with the new conductive filter bag, but
a new locking ring is to be used to secure the new conductive filter, see Figure
18.
NOTE!
Never re-use an old locking ring!
10.5 Fan service
WARNING!
Risk of personal injuries.
Use proper lifting and protective equipment.
CAUTION!
Risk of equipment damage
It is important that no dust, objects or debris are allowed to fall down into the
inlet of the side channel fan.
10.5.1 Bearing replacement intervals
The motor and fan unit has two bearings, one in the upper part of the
motor and one in the lower part of the fan. These are to be replaced after
approximately
20,000 hours of operation. If working temperatures regularly
reaches 40 °C (104 °F), this is to be reduced to 15,000 hours. In any case,
the bearings are to be replaced every 5 years. See the fan manual for more
information about bearing and grease types.
The bearings are a standard type. Contact Nederman or an authorized
Nederman distributor for replacement of the bearings.
Old grease is to be removed and new grease used. The grease is to meet the
DIN 51825-K2N 40, SKF LGHP 2 or FAG Arcanol Multitop standards.
10.6 Spare parts
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.
Summary of Contents for E-PAK 300 DX
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