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9.2.8
Cleaning
Cleaning the grease ducts and spent grease chambers
The spent grease collects outside each bearing in the spent grease chamber of the outer
bearing cap. When replacing bearings, remove the spent grease.
Dismantle the bearing cartridges to replace the grease in the lubrication duct.
Cleaning the cooling air ducts
Regularly clean the cooling air ducts through which the ambient air flows.
The frequency of the cleaning intervals depends on the local degree of fouling.
Damage to the motor when cleaning with compressed air or water jets
• Do not direct compressed air or water jets in the direction of the shaft outlet or motor
openings.
• Avoid direct impact of compressed air and water jets on sealing elements of the motor.
9.2.9
Cleaning the fan cover of motors for the textile industry
Regularly remove fluff balls, fabric remnants, and similar types of contamination from the fan
cover of motors for the textile industry (particularly at the air passage opening between the
fan cover and cooling fins of the motor enclosure) to ensure that the cooling air can flow
without obstruction.
1LE7 shaft heights 71 ... 315
Operating Instructions, 04/2022, A5E51689275A-AA
Maintenance
9.2 Inspection and maintenance
95
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