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Operating Instructions – Safety-Related BST Brake Module
8
Inspection and maintenance intervals
Inspection/Maintenance
8
Inspection/Maintenance
8.1
Inspection and maintenance intervals
The required inspection/maintenance intervals must be calculated by the system
manufacturer according to the specific project planning documents for individual appli-
cations, in accordance with the regionally valid standards.
8.2
Checking the brake function
The brake function must be checked according to the instructions of the system
manufacturer after inspection/maintenance work.
WARNING
Risk of crushing if the hoist falls.
Severe or fatal injuries.
• Secure or lower hoist drives (danger of falling)
• Isolate the inverter, the motor and the brake from the power supply before starting
work, safeguarding them against accidental startup.
• Only use genuine spare parts in accordance with the valid parts list.
• Always install a new brake controller at the same time as replacing the brake coil.
• Observe the notes in the operating instructions for AC motors and brakemotors.
• Only qualified personnel may perform maintenance for the brake.
WARNING
There may still be dangerous voltages inside the unit and at the terminal strips for up
to 10 minutes after the BST has been disconnected from the power supply.
Severe or fatal injuries from electric shock.
• Disconnect the BST from the power supply and ensure that the unit cannot be
switched on unintentionally.
• Wait for 10 minutes before carrying out any maintenance or inspection work.
• Prior to maintenance or inspection work, make sure that the BST is de-energized.
CAUTION
The surface of the safety-related BST brake module can be very hot during operation.
Danger of burns.
• Let the BST cool down before you start working on it.
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