KSB Etaprime L, Инструкция по установке и эксплуатации

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7 Servicing/Maintenance
48 of 76
Etaprime L
7.2.3.2.2 Grease quality
Optimum grease properties for rolling element bearings
Table 19: 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 20: Grease quantity per grease-lubricated DIN 625 radial ball bearing
Shaft unit 10) Code Grease quantity per
bearing
[gram]
17 3203 C3 2,5
6203 2RS 2,5
25 6305 2Z C3 5
35 6307 2Z C3 10
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.
Remove the outer cover plate of each bearing with a suitable tool. Dispose of
the cover plates.
2.
Only half-fill the bearing cavities with grease.
Continue using the bearings without the outer cover plates (variant Z C3).
10)
Shaft unit see data sheet.