NWB & NWB-HC IM28 OCT 2014
Page 23
Instruction Manual NWB & NWB-HC IM 28 OCT 2014
13.0 MAINTENANCE INSTRUCTIONS
13.1 Suggested Maintenance Schedule*
Component
Action
Frequency
Process Blower Motor
Permanently lubricated -
No Action required.
X
Reactivation Fan Motor
Rotor Drive Motor
Process Filter
Clean with compressed air
or replace as necessary.
Every 2 weeks
Regeneration Filter
Plasticizer Drain
Drain into pan
Every 2 weeks
Process Heater
Compare process temperature setting
to hopper inlet temperature
to make sure they are comparable.
If they are not - Contact NOVATEC
Service Department.
Every 2 weeks
Hose. Tubing & Clamps
Check for leaks or holes.
Tighten or replace as necessary.
Every 2 months
Hopper Gaskets & Seals
Check for leaks
Repair or replace as necessary.
Every 2 months
Pellet Screen
Locate wire mesh at hopper return air
outlet and clean with compressed air.
Every 2 months
Rotor Drive Chain &
Sprockets
Lubricate
Every 6 months
Rotor Seals
Do Not Disturb Except in an
Emergency
X
Rotor Rotation
Preset at factory-No action required.
Rotor speed should be 6-12
rotations/hour. If outside this
parameter, make sure the limit switch
hump is re-setting the limit switch.
X
*This schedule may have to be varied depending on the dust level and abrasiveness of the
materials you are processing and the number of hours you are operating the dryer each week.