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Precision Grain Handling Equipment Manufacturing

We build durable, reliable bucket elevators, bulk flow or en-masse chain conveyors that deliver many years of dependable service.

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Serviceability

The design team at RNC-CO has built, installed and serviced hundreds of bucket elevators. They understand the components that need to be accessible during maintenance. The standard models are built with maintenance in mind and customizable applications are available for facilities that are burdened with spacial issues.

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Product Service & Training

RNC-CO is proud to be a hands-on manufacturer. We want our product to be your most understood piece of equipment. We offer on site training, service calls and industry training at K-State.

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Troubleshooting

Conveyors

Excessive Noise

Possible Causes:

  • Misalignment of sprockets
  • Too little or too much slack
  • Inadequate lubrication
  • Loose bearings
  • Chain or sprocket worn out

What to do:

  • Check alignment and correct
  • Adjust centers for proper slack, or idler take-up
  • Lubricate properly
  • Draw up all bolts
  • Replace chain and/or sprocket

Wear On Chain Side or Link Plate and Sides of Sprocket Teeth

Possible Cause:

  • Misalignment

What to do:

  • Remove chain and correct alignment of sprockets and shafts

Chain Climbs Sprockets

Possible Causes:

  • Chain worn out
  • Excessive chain slack
  • Material build-up on sprocket tooth pockets

What to do:

  • Replace the chain and sprockets
  • Adjust take-up for proper slack
  • Remove material build-up in sprocket tooth pockets

Chain Clings to Sprockets

Possible Causes:

  • Badly worn sprockets
  • Heavy or tacky lubricants
  • Material build-up in driver sprocket teeth

What to do:

  • Replace chain and sprockets
  • Clean and lubricate
  • Remove material build-up

Broken Pins, Bushings or Rollers

Possible Causes:

  • Heavy shock or suddenly applied loads
  • Material build-up in sprocket tooth pockets
  • Inadequate lubrication
  • Chain or sprocket corrosion
  • Worn sprockets

What to do:

  • Reduce shock loads (easy starts assure long life)
  • Remove material build-up from sprocket tooth pockets
  • Lubricate properly
  • Protect from corrosion
  • Replace sprockets

Chain Whip

Possible Causes:

  • Excessive chain stack
  • One or more stiff chain joints
  • Worn chain

What to do:

  • Adjust chain take-up or idler
  • Replace stiff links
  • Replace chain

Chain Gets Stiff

Possible Causes:

  • Inadequate lubrication causes wear
  • Corrosion
  • Material build-up in chain joint
  • Misalignment

What to do:

  • Remove chain if dirty or corroded…clean and lubricate properly
  • Protect chain from corrosion
  • Clean and lubricate more often
  • Check sprockets and shaft alignment

Chain Drive Runs Too Hot

Possible Causes:

  • Operating in excess of recommended maximum speed
  • Insufficient amount of lubrication
  • Chain or shaft rubbing against and obstruction

What to do:

  • Check drive for recommended speed
  • Increase lubrication frequency
  • Remove obstruction against which chain rubs