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Operating Instructions
5.8 Conveyor Belt Maintenance
5.9 Belt Conveyor Versions
Isolate the electrical and pneumatic supplies to the conveyor.
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If your conveyor system uses a harsh construction search head (white plastic liner) then
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hose down or steam cleaning can be used in place of washing with mild detergents.
If fitted remove the reject container. Empty and wash with mild detergent.
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Brush any loose debris off the exposed conveyor surfaces and belt scraper if fitted.
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Wash conveyor, detector aperture, rollers, skid plate and underside of belt using mild
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detergent.
Rinse and dry thoroughly all washed areas.
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Inspect the conveyor belt for signs of damage.
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Where an air regulator unit is fitted check the water build up in the trap and drain off as
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described in Air Regulator Unit Maintenance.
Check the security of all conveyor-guarding systems.
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Reconnect power and air systems.
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Where interlocked guarding is fitted check the conveyor stops when the guards are
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opened.
For PU belted conveyors check the belt tension and belt tracking. Belt tensioning and
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tracking is described in Setting the Belt Tension and Tracking.
For plastic modular belt conveyors check for belt damage. For replacing individual
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sections see Plastic Modular Belt Conveyor Versions – Belt Section Replacement.
Check the correct operation of the reject system. Advice can be found in the Good
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Practice section.
For systems with reject confirm and bin full check their correct operation. Bin full will
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operate if the sensor is blocked for > 5 seconds.
5.10 Plastic Modular Belt Section Replacement
1. If product guides are fitted to the conveyor, unscrew the retaining screws and remove the
guides
2. Clamp the belt either side of one of the plastic hinge pins that are used to join the sections of
the belt together that require charging.
If you do not clamp the belt it will roll off the loose sprockets when you remove the
pin.
3. Carefully slide out the plastic hinges pins and remove the section of the belt to be replaced.
4. Carefully interlock the new section of the belt. Make sure the belt is located on the drive
sprocket and correctly engage with the other 'floating' sprockets.
5. Carefully slide the plastic hinge rods through the interlocked sections of belt.
6. If product guides were removed from the conveyor, refit them in position and tighten the
securing screws.
Copyright © Loma Systems
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Original Document
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