MAINTENANCE
24
6.3
Current collector maintenance
In case of damage to the conductor rails, the associated components such as current collectors must be in-
spected for damage.
Replacing the current collector
Requirements:
The system is switched off and the power supply is disconnected.
Work steps:
1. Pull out the power cable.
2. Remove the current collector.
3. Install the new current collector.
4. Install the connecting cable.
5. Clean the contact surfaces of the carbon brush.
Interval
Service/monitoring tasks
Personnel
Daily
• Check safety equipment and operating
behavior of the system.
Operator
Monthly
Mechanical checks
• Check mobility of joints, bearings, and
hinge pins. Inspection for mechanical
damage of any type.
Electrical checks
• Check for wear of graphite contacts,
firm seat of all contact screws and cable
attachments.
• Clean oxidized contact screws and ca-
ble ends and restore the protection of
these locations.
• Carbon brushes should be replaced in
good time so that the mounts of the car-
bon brushes do not grind on the contact
surface, or the outer edges of the cover
plate touch the conductor rail.
• Inspection of the wear limit on the car-
bon brush.
Technician/elec-
trically qualified
person
