10.0 -TROUBLESHOOTING
The following information is intended to serve as an aid
in
locating and eliminating defects and faults.
In
some cases, problems may be caused by the plant or machine to which the gear unit is assembled and hen-
ce, the cause and remedy will be described in the Manufacturer's technical documentation for the machi-
ne/plant
in
question.
FAULT
CAUSE
REM
EDY
Oil level too low Top up oil level
Bearing temperature too high Oil spent Replace oil
Defective bearings Contact authorised workshop
Oil level too high Check oil level
Operating temperature too high
Oil spent
Replace oil
Contaminant in oil
Replace oil
Gears damaged
Contact authorised workshop
Bearing axial backlash too high
Contact authorised workshop
Abnormal running noise
Bearings defective or worn Contact authorised workshop
Excessive load applied
Correct load to rated values given
in
Sales Catalogue
Contaminant in oil Replace oil
Abnormal noise at gear unit
Mounting bolts loose
Tighten bolts to specified torque
mounting
Mounting bolts worn Replace bolts
Oil level too high Check oil level
Oil leaks
Casing/coupling seals inadequate
Contact authorised workshop
Gaskets worn
Contact authorised workshop
Oil viscosity too high
Replace oil (see recommended
lubricant chart)
Gear unit does not run or runs
Oil level too high Check oil level
with difficulty
Excessive load applied
Redesign drive for actual load
required
Output shaft does not turn with
Gears damaged Contact authorised workshop
motor running
@ Bonfiglioli
Trosmitol
35
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