Troubleshooting - BONFIGLIOLI Tecnoingranaggi TR 053 Manuel D'installation Et D'entretien

11 TROUBLESHOOTING

The following information is intended to serve as an aid in identifying and correcting defects and faults.
In some cases, such problems may be caused by the plant or machine onto which the gear unit is
assembled, and hence, the cause and eventual solution can be found in the Manufacturer's technical
documentation for the machine/plant in question.
PROBLEM
Operating temperature too high
Abnormal running noise
Abnormal noise at gear unit mounting
Oil leaks
Output shaft does not turn with motor
running
CAUSE
Operating speed exceeding the limits
specified in the sales catalogue
Ambient temperature too high
Gears damaged
Bearing axial backlash too high
Bearings defective or worn
Service load too high
Mounting bolts loose
Mounting bolts worn
Casing/coupling seals inadequate
Gaskets worn
Gears damaged
SOLUTION
Double check that the selection of the
gearbox is appropriate against the
application data
Provide for an auxiliary cooling system
Consult the manufacturer
Consult the manufacturer
Consult the manufacturer
Correct service load to nominal values
given in Sales Catalogue
Tighten down to specified torque
Replace bolts
Consult the manufacturer
Consult the manufacturer
Consult the manufacturer
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