Zenit UNIQA Manual De Primera Instalación página 48

First installation manual – Translation of original instructions
EN
4. Holding the hexagonal nut (I) still with a spanner,
unscrew the inner bottom plug (II) of the oil sump.
warning!
Do not unscrew the nut!
6. Place the vessel containing the oil on a horizontal surface and let it stand for a few minutes to allow any water in it to settle to the bottom:
•
Oil clean and free from water: the mechanical seal is in good condition and new oil can be placed in the system.
•
Oil with a very little water: this may be due to bedding-in of the mechanical seal during the initial operating hours, creating a negligible
amount of water.
•
Oil containing water and dirt; the mechanical seal must be inspected and replaced with a new one. The replacement must be made by an
authorised Service Centre;
7. Screw on the inner bottom plug (II) of the oil sump.
warning!
Use Loctite 243 threadlocker
48
5. Allow the oil to drain into a vessel of suitable size,
transparent if possible.
NOTE: to check that the vessel is of sufficient capacity, refer
to the Table for the amount of oil in the sump.
Enclosure type (DRY)
M10S - M10L
M12N
M13N
M15N
M17N
M21S -M12L
8. Fill the mechanical seal sump with biodegradable lubricating oil
having viscosity index 190.
Oil sump plug
2x 3/8" DIN 906
better together