Floveyor Problem Checklist

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Brent Ronald Bailey
5 years ago
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1 Date: Client: Location: Serial Number: Prior to working on any machinery: Is Floveyor and/or Screwfeeder Electrically Isolated Are all required permits signed off (i.e.: Hot Work Permits, Working at Heights, Confined Space Permits, Job Hazard Analysis) Is Floveyor/Screwfeeder clean from unsafe materials? Is it safe to work on Floveyor/Screwfeeder with current PPE? Is it safe to work on Floveyor and/or Screwfeeder

2 Sprockets and shafts Rotate sprocket(s) by hand - check for drag or knocking Check that the Sprocket(s) are central in housing Rotate sprocket(s) by hand - check for wobble in sprocket Check sprocket V for excessive wear Check sprocket rim for excessive wear from wire Check grub screw in sprocket boss is tight Check key is present Check that sprocket brackets are correct size for rope Check that sprocket brackets aren t worn thin/sharp Check if sprocket brackets bent out of shape Check sprocket bracket welds are intact Check if bearing(s) have failed by wiggling the sprocket Sprocket Assembly in good operational condition

3 Tubes Check for dent(s) in tubes Check for flat spot on tube ends (incl. where tubes are inside housings) Check if tubes worn through (i.e.: no holes in tubes) If tubes have been replaced with non-oem items, are they correct size either: F3 - ɸ3 (76.2mm) OD 1.6mm wall thickness F4 - ɸ4 (101.6mm) OD 1.6mm wall thickness F5 - ɸ5 (127.0mm) OD 1.6mm wall thickness Are chamfer(s) present on tube ends (internal) 15 x 3mm Are tubes not inserted into housings correct distance F3 25mm to 110mm F4 25mm to 140mm F5 25mm to 175mm Tubes in good operational condition

4 Housings Check for visible damage Check if housing are worn through (i.e.: holes in housing) Check if all fasteners (nuts and bolts) are present Check that the covers, fasteners & Name Plates are functional Check that Air nozzles are clear of debris Check that Name Plate screws are correct length (i.e.: do not interfere with discs moving in normal operation) Check that toggle clips on housings, screwed flanged connection and/or DW Clamping Ring are in operational condition Sealing rubber is present where required Housings in good operational condition

5 Floveyor Problem Checklist Ropes Check that rope is inserted in correct direction (i.e.: rope moves forward under normal operation) Check that discs are correct size for sprocket/machine (also check if any rope extensions have correct sized discs) Check entire rope for frayed wire strands Check entire rope for worn, cracked or extremely out of shape discs. Check discs don't have worn leading edge - indicative of too loose rope tension Checks that discs don t have worn trailing boss - indicative of too tight rope tension Check if rope is over stretched by slipping disc forward in sprocket until front of disc touches V. Rotate sprocket approx 20 revolutions. If disc moves backwards in V and touches back of V before 20 rotations, consider replacing the rope. Check all joining bolts are present and tightened properly Correct rope tension is correct Check rope discs are correct size for: Materials that adhere to themselves/bind Take and hand full of the sample Squeeze sample tight Release sample If material binds together, consider an undersized rope Note that some materials that adheres to itself may not convey well in a Floveyor system, also, that allowances must be made for a possible drop in output using undersized discs. Check rope discs are correct size for: Materials with large particle sizes and irregular shapes Check that the largest particle size is smaller than the gap between the disc and tubes or housing If the particle size is larger than gap, consider undersize discs Note that allowances must be made for a possible drop in output using undersized discs. Ropes in good operational condition

6 Drive items Check pulleys are in alignment Check taper locks and/or grubscrews are tightened Check keys are correct size for Floveyor Check drive belts are in good condition and tensioned correctly Check pulleys are correct size i.e.: Floveyor operates at correct speed. All Full Speed Floveyors (with belts and pulleys) operate at approximately 260RPM. Drag Floveyors (with chain and sprockets) can operate between 10RPM to 80RPM depending on the configuration. Check that there are the correct number of belts on pulleys Drive items in good operational condition During operation Check for excessive banging/knocking under no load operation Check for excessive banging/knocking under loaded operation

7 Other Check that there is no vacuum applied to Floveyor system (Floveyor will not operate effectively with vacuum applied to the feed housing) Check that Floveyor operates in correct direction (watch direction of sprocket rotation) Check that the Headchute is adequate for conveyed product and flow rates Check that the angle (from horizontal) of Headchute is 5 steeper than the angle of repose of the material being conveyed. Check the diameter is adequate for the conveyed product o F3 - ɸ180mm or ɸ200mm o F4 - ɸ200mm or ɸ250mm o F5 - ɸ250mm or ɸ300mm Check that all required seals are present Check that housings are parallel (i.e.: tubes aren't twisted) Check that Floflex is straight and doesn't restrict flow

8 Other Check that the Screwfeeder screwshaft spin freely. Check if the screwshaft is straight and doesn t rub against body. Check that chain and sprockets aren't worn Check chain is tensioned correctly Check that screwshaft rotates in correct direction Completed by (name): Date: Sign:

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