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Maintenance
WARNING: ALWAYS STOP the belt, lock-out, and/or place a "Do
Not Energize" tag on the main disconnect before working on or
around the weighfeeder.
Preventative Maintenance
The maintenance schedule below is recommended to maintain top performance and
accuracy of the system. Weighfeeders mounted in severe weather or dusty conditions
may require a more rigorous maintenance schedule.
Make sure the weigh idler is aligned with the approach and retreat sections for accurate
weighing. Periodic measurement to verify alignment is recommended.
Recommended Preventative Maintenance
Schedule
Item
Required Maintenance
Weigh
Blow or brush off any material
Section
Visually inspect to assure the
Belt Tracking
conveyor belt remains trained
Calibration
Verify belt
zero
Calibration
span check
Bearings
Inspect and lubricate as required
Electric
motor (DC)
Electric
motor (AC)
Gear reducer
General Maintenance
The equipment should be cleaned periodically and any excess accumulation of product
should be removed to minimize potential damage to the mechanical components and
scale accuracy.
Abrasions, cuts, or ragged edges on the belt will create performance problems. Replace
the belt if it becomes ragged or torn.
7ML19985MQ01
SITRANS WW300 - OPERATING INSTRUCTIONS
building up
Verify belt zero
Use Calibration weights
Check brushes
None
Check oil level/Replace oil
Frequency
Comments
More frequently in dirty
Weekly
environments
Daily
Daily or at
See Calibration section of
least once a
Integrator Manual
week
See Calibration section of
Monthly
Integrator Manual
Every 10,000
Use #3 NLGI grade lithium base
hours
Every 10,000
Inspect and replace as
hours
Bearings are sealed and
None
permanently lubricated
Monthly/
Refer to manufacturer
Every 2,500
maintenance manual/See note
hours
-------
grease
necessary
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Page 19