Vahle VCL Series, Перевод оригинальной инструкции по эксплуатации

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MAINTENANCE 86
7.4 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 carbon brushes
• Detach the connection cables
• Pull out the carbon brush with its mount upwards and replace it
• Mount connection cable and then 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.
• Dimension "X" in the sketch shown be-
low must not fall below 4.5 mm.
Contact pressure check
• Pull the carbon brush out of the conduc-
tor rail by means of a center spring bal-
ance. The contact force should be
about 4 N per carbon brush
Technician/elec-
trically qualified
person