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WARNING
Machine damage
If the machine is not maintained it can suffer damage. This can cause faults which can result in eventual or immediate
death, serious injury or material damage.
Perform regular maintenance on the machine.
CAUTION
Dust disturbances when working with compressed air
When cleaning with compressed air, dust, metal chips, or cleaning agents can be whirled up. Injuries can result.
When cleaning using compressed air, make sure you use suitable extraction equipment and wear protective equipment
(safety goggles, protective suit, etc.).
NOTICE
Damage to insulation
If metal swarf enters the winding head when cleaning with compressed air, this can damage the insulation. Clearance and
creepage distances can be undershot. This may cause damage to the machine extending to total failure.
When cleaning with compressed air, ensure there is adequate extraction.
NOTICE
Machine damage caused by foreign bodies
Foreign bodies such as dirt, tools or loose components, such as screws etc., can be left by accident inside the machine
after maintenance is performed. These can cause short circuits, reduce the performance of the cooling system or increase
noise in operation. They can also damage the machine.
When carrying out maintenance work, make sure that no foreign bodies are left in or on the machine.
•
Securely attach all loose parts again once you have completed the maintenance procedures.
•
Carefully remove any dirt.
•
Note
Operating conditions and characteristics can vary widely. For this reason, only general intervals for inspection and
maintenance measures can be specified here.
9.2
Inspection and maintenance
9.2.1
Re-greasing
For machines with regreasing system, relubrication intervals, grease quantity and grease grade are provided on the lubricant
plate. Additional data can be taken from the main machine rating plate.
Grade of grease for standard motors (IP55) UNIREX N3 - ESSO.
Note
It is not permissible to mix different types of grease.
Prolonged storage periods reduce the useful lifetime of the bearing grease. Check the condition of the grease if the
equipment has been in storage for more than 12 months. If the grease is found to have lost oil content or to be
contaminated, the machine must be immediately relubricated before commissioning. For information on permanently-
greased bearings, please refer to the section titled Rolling bearings (Page 29).
Procedure
To relubricate the rolling bearings, proceed as follows:
1. Clean the grease nipples at the drive end and non-drive end.
2. Press-in the specified grease and amount of grease according to the data stamped on the lubrication plate.
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Please observe the information on the rating and lubricant plates.
1LE7
A5E36065207, 04/2018
27
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