7.2.1.5 Checking the mechanical seal leakage (only pump sets with reinforced
bearings)
WARNING
Fluids posing a health hazard and/or hot fluids
Hazardous to persons and the environment!
▷
Collect and properly dispose of flushing liquid and any liquid residues.
▷
Wear safety clothing and a protective mask, if required.
▷
Observe all legal regulations on the disposal of fluids posing a health hazard.
NOTE
Slight wear of the mechanical seal is unavoidable. This will be aggravated by abrasive
substances contained in the fluid handled.
✓
The pump set has been placed in vertical position.
1. Place a suitable container under screw plug 903.34.
2. Remove screw plug 903.34 and joint ring 411.34.
3. Drain the leakage.
NOTE
If more than 0.25 litres of leakage should escape we recommend to replace the
mechanical seals.
4. Close screw plug 903.34 with joint ring 411.34 again.
7.2.2 Lubrication and lubricant change
7.2.2.1 Lubricating the mechanical seal
The mechanical seal is supplied with lubricant from the lubricant reservoir.
7.2.2.1.1 Intervals
Replace the lubricant after every 10,000 operating hours but at least every 3 years. (
7.2.2.1.2 Lubricant quality
The lubricant reservoir is filled at the factory with an environmentally friendly, non-
toxic lubricant of medical quality (unless otherwise required by the customer).
The following lubricants can be used for lubricating the mechanical seals:
▪
Thin-bodied paraffin oil; made by Merck, No.: 7174
▪
Merkur white oil Pharma 40; made by DEA
▪
Equivalent brand of medical quality, non-toxic
▪
Water-glycol mixture
▪
All non-doped and doped motor oils of classes SAE 10W to SAE 20W
WARNING
Contamination by lubricant of fluid handled
Hazardous to persons and the environment!
▷
Using machine oil is only permitted if the oil is disposed of properly.
Recommended quality of
lubricant
Alternative:
7 Servicing/Maintenance
42 of 78
Amarex KRT
Summary of Contents for Amarex KRT
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