7 Servicing/Maintenance
58 of 126
Amacan K
1579.807/07-EN
903.03
411.03
903.02
411.02
FD
FD
903.02
411.02
Draining the leakage
Lubricant drain
903.03
411.03
Lubricant filler opening
903.02
411.02
Leakage drain
Table 15:
Symbols key
Symbol
Description
FD
Always apply a
liquid sealant
(e.g. Hylomar SQ32M) to sealing surfaces
marked with this symbol.
ü
A suitable container for the leakage is on hand.
ü
The pump set has been placed in a vertical position on a level surface and
protected against tipping over.
1. Hold the container underneath screw plug 903.02.
2. Remove screw plug 903.02 and joint ring 411.02.
3. Drain the leakage.
ð
If there is no leakage or, after several years of operation, only a small
amount, the mechanical seals are working properly. If the leakage exceeds
2 litres, the mechanical seals are defective and must be replaced.
4. Re-insert and tighten screw plug 903.02 with new joint ring 411.02.
7.4 Lubrication and lubricant change
7.4.1 Lubricating the mechanical seal
DANGER
Excessive temperatures at the shaft seal
Damage to the pump set!
▷
Regularly check the condition of the lubricant in the lubricant reservoir of the
mechanical seal. Top it up if required.
The mechanical seal is supplied with lubricating liquid from the lubricant reservoir.
7.4.1.1 Intervals
Replace the lubricant every 8000 operating hours but at least every 2 years.
7.4.1.2 Lubricant quality
The lubricant reservoir is filled at the factory with an environmentally friendly, non-
toxic lubricant of medical quality (unless otherwise specified by the customer). The
following lubricants can be used to lubricate the mechanical seals: