Siemens SITRANS WW200 Руководство по эксплуатации - Страница 25

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Maintenance

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

Weigh sec‐

Belt tracking

Integrator

controller

Calibration

span check

Bearings

Belt side roll‐

ers, scraper,

Infeed seal

SITRANS WW200

Operating Instructions, 06/2018, A5E33560654-AC

WARNING

Item

Required Maintenance

Blow or brush off any material build‐

tion

ing up on load cell area.

Visually inspect to assure that con‐

veyer belt remains trained.

Span check

Verify belt zero

Inspect and lubricate as required

Belt

Check for holes, wearing, frays, or

other damage

Check for wear and proper belt con‐

plow

Check for holes, wearing, frays or

strips

other damage

Pulleys

Check lagging for wear

Frequency

Weekly

Monthly

Daily, at least

once/week

Every 10,000

Weekly

tact

Weekly

Every 10,000

Comments

More frequently in dirty environ‐

ments

Daily

----------

Use calibration weights

See Calibration section of Inte‐

grator manual

Use application specific grade

hours

grease (see notes below)

Replace as required

Clean and replace as required

Replace as required

Inspect and replace as necessa‐

hours