KSB Sewatec - Page 50

7 Servicing/Maintenance
50 of 96
Sewatec
NOTE
Paraffin oil is bright and transparent in appearance. If the oil fill is severely
contaminated, this will suggest a defective mechanical seal.
Replace the mechanical seal.
Filling in the lubricant
903.90
411.90
903.46
411.46
903.22
411.22
903.90
411.90
903.46
411.46
903.22
411.22
Fig.24: Filling in the lubricant
1. Unscrew and remove screw plug 903.90 with joint ring 411.90.
2. Fill the lubricant reservoir up to the filler opening.
3. Fit screw plug 903.90 with joint ring 411.90.
Recommended lubricant
quality
The lubricant reservoir of the pump set is filled at the factory with environmentally-
friendly, non-toxic lubricant of medical quality.
▪ Merkur white oil Pharma 70; made by DEA
▪ Thin-bodied paraffin oil; made by Merck, No.: 7174
▪ Or an equivalent brand of medical quality, non-toxic
Alternative
▪ All non-doped and doped motor oils of classes SAE 10W to SAE 20W
NOTE
Only use motor oil if there is no risk of the lubricant contaminating the fluid
handled and if the motor oil can be disposed of properly.
Lubricant quantity
Table19: Lubricant quantity
Bearing bracket size Size Lubricant quantity
[l]
S05 All 2,0
S06 All 4,3
S07 -500 4,6
-630, -710 5,8
S08 All 6,0
S09 All 11,5
S10 All 9,0
Intervals
Change the lubricant every 10,000 operating hours, but at least every three years.