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PROBLEM
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POSSIBLE CAUSE(S)
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SOLUTION(S)
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Belt not tracking properly
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Sprocket teeth misaligned
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Check alignment and adjust
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Conveyor frame not square
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Realign conveyor frame
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Support rolls not squarely aligned
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Realign support rolls
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Drive shaft not aligned
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Realign following alignment instructions
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Uneven product loading
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Correct loading method
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Belt improperly spliced
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Reinstall following splicing instructions
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Belt is "wrong side up"
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Reinstall belt with smooth side up
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Belt runs to one side
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Sprocket teeth misaligned
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Check alignment and adjust
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Conveyor frame not square
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Realign conveyor frame
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Support rolls not squarely aligned
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Realign support rolls
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Transfer roll not functioning properly
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Change to grooved end roll
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Drive shaft not aligned
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Realign following alignment instructions
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Uneven product loading
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Correct loading method
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Uneven tension
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Adjust tension so it's equal on both sides of frame
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Belt improperly spliced
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Reinstall following splicing instructions
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Belt wears
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Not enough clearance
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Adjust clearance between belt edge and edges on side rail
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Conveyor frame not square
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Realign conveyor frame
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Shafts not locked down
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Use collars on outside of bearings to prevent lateral shifting
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Sprocket teeth misaligned
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Check alignment and adjust
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Belt expansion from high temperature
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Adjust clearance between belt edge and side rail to allow for heat expansion
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Belt slips on sprockets
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Insufficient tension
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Adjust tension take-up
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Sprockets not properly installed/aligned
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Check sprocket alignment; adjust if needed
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Worn sprocket
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Replace sprocket
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Drive sprockets too small
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Replace with larger diameter sprockets from Wire Belt, or increase wrap
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Insufficient belt wrap
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Increase wrap around drive sprockets up to between 120° to 180°
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Belt blackening
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Frozen/stuck roller
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Free roller; reduce or eliminate steel-to-steel contact
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Too much tension
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Adjust tension take-up
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Load too high
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Change to heavier mesh belt
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Improper/inadequate cleaning
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Install continuous spray cleaning device
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Excessive belt wear or poor belt life
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Contact with other equipment
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Eliminate contact
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Support rolls not rotating
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Check bearing and replace if needed
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Too much tension
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Adjust tension take-up
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Uneven tension
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Adjust tension so it is equal on both sides of frame
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End roll/reverse bend too small
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Check Drive Shaft Sprocket Alignment for minimum diameter
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Wrong type of wear strip
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Change to different type/material/design wear strip
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Abrasive cleaner used
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Install spray wash on belt to reduce grit build-up
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Load too high
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Change to heavier mesh belt
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Speed too high
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Reduce running speed
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Belt improperly spliced
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Reinstall following splicing instructions
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Frame not level
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Correct affected area
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Excessive sprocket wear
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Too much tension
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Adjust tension take-up
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Abrasive cleaner used
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Install spray wash on belt to reduce grit build-up
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Sprocket teeth misaligned
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Check alignment and adjust
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Not enough drive sprockets
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Add more sprockets
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Sprockets not properly installed/aligned
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Check sprocket alignment and adjust if needed
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Load too high
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Change to heavier mesh belt
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Belt speeds too high
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Reduce speed
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Shaft(s) bent
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Check shafts and replace if needed
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Belt jumps on sprockets
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Worn sprockets
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Replace using Wire Belt sprockets
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Wrong size sprockets
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Replace with correct sprocket
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Belt is "wrong side up"
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Reinstall belt with smooth side up
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Product build-up between belt and sprockets
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Install wiper on return belt to prevent product getting trapped; install side guards on frame
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Too much tension
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Adjust tension take-up
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Splice clips breaking
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Alternative style sprocket arrangement used (sprockets in even spaces)
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Adjust to Standard style arrangement (sprockets in odd spaces)
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Belt improperly spliced
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Reinstall following splicing instructions
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Clips and/or strands not straightened after splicing
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Straighten clips/strands with pliers
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Sprockets not properly installed/aligned
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Check sprocket alignment and adjust if needed
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Uneven tension
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Adjust tension so it is equal on both sides of frame
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Belt surges
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Belt not supported on frame
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Install supports on return path
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Load too high
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Change to heavier mesh belt
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Uneven product loading
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Correct loading method
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Wrong type of wear strips
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Change to different type/material/design wear strip
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Excessive wear strip wear
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Abrasive cleaner used
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Install spray wash on belt to reduce grit build-up
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Load too high
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Change to heavier mesh belt
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Not enough wear strips
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Install more wear strips
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Wrong type of wear strips
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Change to different type/material/design wear strip
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Damage to flights
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Product jamming on loader
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Check hopper/chute in-feed sides and correct jamming
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Flights getting caught on frame support
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Check for obstructions on frame and correct
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Flights rubbing on return path
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Allow sufficient clearance with frame; indent flights
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Belt edges curling up
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High temperature
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Use crowned belts (a specialty belt). Call Technical Support at +44(0)1795-421771 for information and pricing. You can also contact us by e-mail or use our Technical Support Request form.
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Too much tension
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Adjust tension take-up
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Belt joints unsupported
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Adjust sprockets/blanks/rollers to within 5 mm of Z-bends
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Load too high
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Change to heavier mesh belt
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