Amarex KRT series, Installation And Operating Manual, Page: 59 / 124

7 Servicing/Maintenance
59 of 124
Amarex KRT
WARNING
Excess pressure inside the pump set
Risk of personal injury when opening the pump set!
▷
Be careful when opening the inner chambers.
NOTE
Slight wear of the mechanical seal is unavoidable. This will be aggravated by
abrasive substances contained in the fluid handled.
903.02
411.02
FD
Fig. 32: Checking the mechanical seal leakage
Table 32: Key to the symbols and codes
Symbol Description
FD
Always apply a liquid sealing agent (e.g. Hylomar SQ32M) to sealing
surfaces marked with this symbol.
ü The pump set has been placed down in a vertical position.
1. Place a suitable container under screw plug 903.02.
2. Remove screw plug 903.02 and joint ring 411.02.
3. Drain the leakage.
NOTE
If more than 3.2 quarts [3 liters] of leakage should escape we recommend replacing
the mechanical seals.
4. Fit screw plug 903.02 with new joint ring 411.02.
7.2.1.7 Visual inspection of the pump set through the inspection hole (dry
installation only - installation type D)
In the event of clogging the inside of the pump casing and the impeller can be
checked via the inspection hole.