Checks
Before control work is carried out on the machine, it is vital that the drive is switched off and
secured to ensure that it cannot be switched on accidentally or started up by unauthorised
persons.
Disconnect the machine from the mains.
▪ In addition, pull out the plug of the device.
▪ Disengage the universal joint shaft on the tractor.
– Before disengaging, turn the manual throttle to minimum.
▪ Shut down the tractor.
▪ Remove the universal joint shaft from the tractor.
Protective guards
All the protective guards (covers, safety grilles, etc.) must be in place on the machine at all
times!
Screw fittings
Check the screw connections before every start-up.
Check all screws and nuts after the first hour of operation, retighten where necessary.
Check the screws and nuts after every 100 hours of operation, retighten where necessary.
▪ Replace missing screws and nuts.
Electrical equipment
Before each start-up, the condition of the electrical cables must be checked.
▪ Damaged cables must be replaced immediately.
A regular test of the electrical equipment should be carried out by an electrical specialist in
line with the statutory requirements, but at least every three years, with the test results being
recorded. As a minimum, the test should cover the following points:
▪ Visual inspection of correct condition
▪ Protective measures to prevent direct contact (basic protection)
▪ Protective measures to prevent indirect contact (fault protection)
▪ Where appropriate, protective measures providing additional protection
▪ Where appropriate, recording of the temperature of relevant electrical operating
resources.
In the case of moveable electrical operating resources, the tests must cover the following,
as a minimum:
▪ Visual inspection of correct condition
▪ Function test
▪ Where appropriate, test of the earth conductor and measurement of the earth conductor
current
▪ Where appropriate, measurement of the insulation resistance.
8
8.1
8.2
8.3
Checks
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