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Start-up
7.4 Setting the converter pulse frequency
General specifications
● Pay attention to the instructions on the lubricant plate.
● Regrease in portions. The shaft must rotate so that the new grease can be distributed in
Regreasing the roller bearings prior to commissioning
● If the period between delivery and commissioning is more than a year and less than four
Regreasing roller bearings before commissioning
You must regrease the roller bearings under the following conditions:
● If the machine has been in storage for more than four years.
● If the machine has not been stored in accordance with the specifications in the "Storage"
Contact the Service Center.
See also
Transport (Page 32)
Service and Support (Page 117)
7.4
Setting the converter pulse frequency
● At the converter, set a minimum pulse frequency of 2.5 kHz in operation. This means that
7.5
Test run
After installation or inspection, carry out a test run:
1. Start up the machine without a load. To do this, close the circuit breaker and do not switch
2. If the machine is running smoothly and evenly, switch on the cooling equipment. Continue
82
the bearings.
years:
– Re-grease the roller bearings with twice the amount of grease specified on the lubricant
plate.
– Check the bearing temperature, as far as possible.
section.
the guaranteed machine parameters can be maintained.
off prematurely. Check whether it is running smoothly.
Switching the machine off again while it is starting up and still running at slow speed should
be kept to a bare minimum, for example for checking the direction of rotation or for checking
in general.
Allow the machine to run down before switching it on again.
to observe the machine for a while in no-load operation.
SIMOTICS HT Series HT-direct 1FW4...1......A
Operating Instructions 11/2018
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