NWB-DC IM 3 JAN 2014
© 2014 Novatec, Inc. All Rights Reserved
Page 31
NWB-DC IM 3 JAN 2014
19.1Filters
The filters shipped with the dryer are cleanable. The maintenance interval for the filters depends
on the cleanliness of the surroundings and the dust/fines in plastic raw materials. A program
should be established to ensure the filters are cleaned.
19.2 Process and Regeneration Filters
TURN THE MAIN DISCONNECT SWITCH OFF
.
On All Models:
Turn the yellow knob, lift the filter access cover, remove the lock nut and pull cartridge filter out
from housing. Replace the filter or clean it with compressed air, reinstall filter,
re-tighten the lock nut, close filter access cover and turn the yellow knob to the locked position.
Turn the power ON and restart dryer.
19.3 Conveying Air Filter
Loosen the clips on the Conveying Air Filter and remove it from the canister. Clean it with
compressed air or replace as necessary and re-install.
19.4 Draining Plasticizer
Conveying Air
Filter Canister
Conveying
Air Filter
Process Air
Filter Access
Regen Air
Filter Access
Conveying
Air Filter
All models have a plasticizer drain on the
side panel. Every 2 weeks (or more often)
a pan should be placed under the drain
and the valve should be turned to the
open position to drain any accumulated
plasticizer.
Close the valve after draining.