5 Inspection and maintenance
LS Open Loop Vector Motor 4H42, 4H71, 4H72 Manual Supplement
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June 2022
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5.4.1
Conditioning of the friction pairing
WARNING
If the friction pairing is not conditioned, the brake cannot hold the load and the load will
fall. This can result in serious injuries and even death.
Ensure that a competent person carries out the conditioning of the friction pairing.
Conditioning of the friction pairing must be carried out:
●
during disassembly and assembly of the hoist motor brake
●
when replacing the hoist motor
Conditioning of the friction pairing
1.
Accelerate the hoist motor to max. speed without load.
2.
Stop the hoist motor with the emergency stopping switch.
3.
Repeat the procedure 5 times.
Summary of Contents for 4H42
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