Terex Evoquip Bison 120, Operation Manual

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Troubleshooting 10
Operations Manual
Bison 120
20-07-2018
Page 10-3
Revision 2.0
(3) Conveyors
Fault Cause Correct Measure
Drive drum turns but
belt does not move
Too much load on belt Reduce load on belt
Incorrectly tensioned belt Tension belt
Worn belt Replace belt
Worn drum lagging Replace drum lagging
Rollers cannot rotate freely Clean/check/replace rollers
Belt completely
stopped
Material jam Remove material jam
Taper lock is not tight or broken Tighten or replace taper lock
Hydraulic motor failure
Replace hydraulic motor as
necessary
Belts are tracking off
Machine is not level
Ensure machine is on level
ground
Belts are not aligned Align belts
Belts are not being fed evenly,
material is tending to be fed to
one side of the conveyor
Ensure conveyor is fed more
evenly
Material collects
under belt
Conveyor belt is loose Tighten or replace as necessary
Conveyor belt misaligned Align conveyor belt
Skirting rubbers not adjusted Adjust skirting rubbers
Rumbling noise from
bearing
Bearing lacking lubricant Follow greasing procedure
Incorrectly aligned bearing Align bearing
Bearing is damaged Replace bearing
Screeching noise
when conveyor is
running
Conveyor belt wedged or rubbing
against fixed parts
Clear obstruction, adjust and
align conveyor belt
Belt scraper too tightly placed
against belt
Re-adjust belt scraper