KSB Etanorm-R, Installation & Operating Manual

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7 Servicing/Maintenance
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Etanorm-R
1222.8/13-EN
7.2.3.2.1 Intervals
Under normal conditions the grease-lubricated bearings will run for 15,000 operating
hours or 2 years. Under unfavourable operating conditions (e.g. high room
temperature, high atmospheric humidity, dust-laden air, aggressive industrial
atmosphere etc.), check the bearings earlier and clean and relubricate them if
required.
7.2.3.2.2 Grease quality
Optimum grease properties for rolling element bearings
Table 20: Grease quality to DIN 51825
Soap basis NLGI grade Worked penetration at
25° C in mm/10
Drop point
Lithium 2 to 3 220-295 ≥ 175 °C
▪ Free of resin and acid
▪
Not liable to crumble
▪ Rust-preventive characteristics
If required, the bearings may be lubricated with greases of other soap bases.
Make sure to remove any old grease and rinse the bearings thoroughly.
7.2.3.2.3 Grease quantity
Table 21: Grease quantity for grease-lubricated radial ball bearings to DIN 625
Shaft unit
14)
Code Quantity per bearing
[g]
65 6413 C3
15)
40
7.2.3.2.4 Changing the grease
CAUTION
Mixing greases of differing soap bases
Changed lubricating qualities!
▷ Thoroughly clean the bearings.
▷
Adjust the re-lubrication intervals to the grease used.
ü The pump has been dismantled for changing the grease.
1. Only half-fill the bearing cavities with grease.
2. Fill the cavities in the bearing cover until they are about 1/3 full.
14 Shaft unit see data sheet.
15 With Nilos ring 6413 AV