Nidec LSA 52.3 - Roller Bearing; Rubber Dampers; Filters; Protection Devices

Electric Power Generation
Installation and maintenance
5382 en - 2022.11 / h
LSA 52.3 / LSA 53.2 / LSA 54.2
Industrial Range Alternators
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5.1.4 Roller bearing
According to the technical characteristics indicated in Section 1.
The bearings can be re-lubricated as
standard
With regard to the type of grease, the lubricating
intervals and the quantity to be supplied to each
bearing: refer to nameplate directions
Minimum
every 6
months
Standard grease
MOBIL POLYREX™ EM: NLGI grade 2
Factory lubrication MOBIL POLYREX™ EM: NLGI grade 2
Special grease
Refer to nameplate directions
Following the requirements of the nameplate is essential. Other priority information may be mentioned.
Lubricating the alternator in operation and during the first commissioning is essential.
Before using any other grease, check its compatibility with the original grease.
On some 52.3, 3 lubricators are available on the bearings so that the maintenance operator can choose the
most accessible. Lubrication is effectively ensured regardless of the lubricator used.
Bearing temperature 24 Daily operation, (without generator set). Refer to chapter
2.5.1
5.1.5 Rubber dampers
Rubber dampers 8000 Refer to chapter 2.3.1
Refer to chapter 5.13
5.1.6 Filters
According to the technical characteristics indicated in Section 1
Cleaning 1000 Cleaning following site conditions; Refer to chapter 5.5.1 4 hrs
5.1.7 Protection devices
Protection devices 8000 (*1)
(*1): or once a year, whichever comes first