Siemens 7MH7300 Series, Руководство по эксплуатации

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Maintenance
8
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.
8.1 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 deck is aligned with the approach and retreat sections for accurate
weighing. Periodic measurement to verify alignment is recommended.
8.1.1 Recommended preventative maintenance schedule
Item Required Maintenance Frequency Comments
Weigh sec‐
tion
Blow or brush off any material build‐
ing up on load cell area.
Weekly More frequently in dirty environ‐
ments
Belt tracking Visually inspect to assure that con‐
veyer belt remains trained.
Daily ----------
Integrator
controller
Span check Monthly Use calibration weights
Calibration
span check
Verify belt zero Daily, at least
once/week
See Calibration section of Inte‐
grator manual
Bearings Inspect and lubricate as required Every 10,000
hours
Use application specific grade
grease (see notes below)
Belt Check for holes, wearing, frays, or
other damage
Weekly Replace as required
Belt side roll‐
ers, scraper,
plow
Check for wear and proper belt con‐
tact
Weekly Clean and replace as required
Infeed seal
strips
Check for holes, wearing, frays or
other damage
Weekly Replace as required
Pulleys Check lagging for wear Every 10,000
hours
Inspect and replace as necessa‐
ry
SITRANS WW200
Operating Instructions, 06/2018, A5E33560654-AC
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