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Brake operation
Check that the hoisting brake operates correctly in both upward and
downward directions.
6.4 Test run with test load
The test load shall be securely fastened and properly balanced.
Static and dynamic tests
The equipment shall be tested with dynamic tests 110% of the
nominal load and static tests with 125% of the nominal load.
Make sure that the hook will not turn around while lifting.
Power supply measurements
Check that voltage is over the required minimum value under
100 % load.
Brake operation
Check that the brake is able to stop the motion adequately.
Motor current
Check the motor current in each phase during hoisting motion with
rated load. The current should be in balance in all phases and may
not exceed the ratings for the motor. Check the current at both
hoisting speeds.
Running temperature
If the thermal protection halts hoisting prematurely, identify the
reason for overheating before continuing the commissioning tests.
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