Tractel volt trac 250 Manual De Empleo Y De Mantenimiento página 27

Problem
Overheating of hoist
Brake does not open
Abnormal noise
Unintentional lowering of load/
the load slips
Hoist will not lift load
Possible cause
Overload
Low voltage
Extremely hot operating
environment
Frequent starting
Defective rectifier or brake coil
Mechanical parts
Brake lining worn
Oil or grease on the brakes' lining
Overload
Faulty friction clutch
Low voltage
Actions
Reduce the load
Have electrician correct low voltage
condition of power supply
Ventilate or shield hoist from heat
source
Avoid inching operations
Call in an approved engineer
Call in an approved engineer
Adjust the brake. See the
inspection manual safety and
maintenance of the volt trac™.
See the inspection manual safety
and maintenance of the volt trac™.
Reduce the load if it exceeds
the WLL.
If this continues, send the device to
an approved service shop
Call in an approved engineer
Have an electrician correct low
voltage condition of power
GB
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