Siemens SITRANS WW310, Operating Instructions Manual

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SITRANS WW310
Operating Instructions, 03/2014, A5E33490433-AA
35
Maintenance
10
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.
10.1 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.
10.1.1 Recommended Preventative Maintenance Schedule
Item Required Maintenance Frequency Comments
Weigh
Section
Blow or brush off any material
building up on load cell area.
Weekly More frequently in dirty
environments
Belt Tracking Visually inspect to assure that
conveyer belt remains trained.
Daily ----------
Integrator
controller
Span check Monthly Use calibration chain
Calibration
span check
Verify belt zero Daily, at least
once/week
See Calibration section of
Integrator manual
Bearings Inspect and lubricate as required Every 10,000
hours
Use food grade grease (see
notes below)
Belt Check for holes, wearing, frays, or
other damage
Weekly Replace as required
Belt side
rollers,
scraper, plow
Check for wear and proper belt
contact
Weekly Clean and replace as required