Maintenance
9.2 Inspection and maintenance
1LA5/6/7/9, 1LG4/6, 1MA6/7, 1MB..1/2/3/4/5 - SH 63 ... 355
Operating Instructions, 06/2018, A5E44455710A
119
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.
Note
Dismantle the bearing cartridges to replace the grease in the lubricati
on 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.
Material damage can occur if you direct compressed air in the direction of the shaft outlet or
machine openings.
• Avoid pointing compressed air directly onto shaft sealing rings or labyrinth seals of the
machine.
safety instructions for cleaning (Page 97).
Risk of explosion due to damaged seals
Risk of explosion due to damaged seals
The seals can be damaged if you clean motors with type of protection Ex t using
compressed air. The type of protection is no longer complied with. An explosion can occur.
This may result in death, personal injury and material damage.
• Avoid pointing compressed air directly onto shaft sealing rings or labyrinth seals of the
machine.
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