Vahle VKS10, Translation Of The Original Instructions

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MAINTENANCE 80
8.3 Collector
In case of damage to the current collectors, inspect the conductor system for damage.
Interval Service/monitoring Personnel
daily • Check safety equipment and operating behavior. Operator
monthly Visual inspection of general condition. Replace damaged/defective
parts.
Mechanical control:
• Check mobility of joints, bearings, and hinge pins. Inspection for
mechanical damage of any type.
• Inspection of connection lines for damage and correct installa-
tion. The connection lines must not impede the mobility of the
current collectors.
Electrical control:
• Check for wear of graphite contacts, firm seat of all contact
screws and cable attachments.
• Check remaining height of graphite contact. See 8.4 Cleaning.
Check pressing force:
• Use a spring scale to pull the graphite contacts from the con-
ductor system.
The contact force must be about 5-7 N per graphite contact.
• If a check with a spring scale is not possible for design reasons,
perform a visual check of the springs and verify that the contact
force is even by individually lifting the graphite contact sockets.
Tightening torque:
• The tightening torque of the contact screw (version for screw
connection) is 1.2 Nm.
Technician/electrical-
ly qualified person