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General Maintenance
1. General points
Any intervention must be carried out with the line switched off at the mains.
Maintenance primarily concerns the conductive tracks and the trolleys.
Any damage to the conductive tracks will reduce the operating life of the brushes.
This damage may take different forms:
•
Oxidation due to a chemical environment
•
Abrasive dust
•
Damage due to electrical arcs in the case of a faulty contact following oxidation, heavy soiling or use of worn
brushes.
Regular inspection is required to check the wear of the brushes, casters of wheels and the quality of the conductive
tracks according to the rate of use, the distance covered, and the chemical environment. Inspection is required
when the distance covered reaches 3,000 km or after one year of use at the most.
2. Monitoring the tracks
The tracks normally become covered with a protective black sheen with the repeated passage of the collector
trolleys with Elite. Check the surface condition of the tracks at a junction point between the casings. The surface
should be smooth. If the tracks are rough to the touch, run the cleaning trolley.
Caution: The cleaning trolley is not designed to run over long distances. Its brushes
wear down more rapidly than the conventional brushes.
For preventative maintenance of external or dusty installations, check that the lines slide freely.
3. Checking the brushes
Switch the line off at the mains and take out the collector.
The replacement of the brushes depends on the line intensity, since the thicker the conductor is, the greater the
wear reserve.
These limits are etched on the body of the ELITE trolley with 4 to 6 casters:
ELECTROBAR Elite Conductor Bar Technical Manual
July 2022
Page 32
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