7 Servicing/Maintenance
49 of 80
Vitacast / Vitacast Bloc
7.2.2.5 Checking the bearing seals
DANGER
Excessive temperatures caused by mechanical contact
Risk of explosion!
Damage to the pump set!
▷
Check correct seating of axial seal rings mounted on the shaft.
Only gentle contact of the sealing lip shall be established.
7.2.3 Lubrication and lubricant change of rolling element bearings
DANGER
Excessive temperatures as a result of bearings running hot or defective bearing
seals
Explosion hazard!
Fire hazard!
Damage to the pump set!
▷
Regularly check the condition of the lubricant.
7.2.3.1 Oil lubrication
The rolling element bearings are usually lubricated with mineral oil.
7.2.3.1.1 Intervals
Table 20:
Oil change intervals
Temperature at the
bearing
First oil change
All subsequent oil
changes
11)
up to 70
℃
After 300 operating hours Every 8500 operating hours
70 °C - 80 °C
After 300 operating hours Every 4200 operating hours
80 °C - 90 °C
After 300 operating hours Every 2000 operating hours
7.2.3.1.2 Oil quality
Quality: ISO grade 32, viscosity index 112
7.2.3.1.3 Oil quantity
Minimum: lower edge in constant level oiler
Maximum: constant level oiler ¾ full
7.2.3.1.4 Changing the oil
WARNING
Lubricants posing a health hazard and/or hot lubricants
Hazard to persons and the environment!
▷
When draining the lubricant take appropriate measures to protect persons and
the environment.
▷
Wear safety clothing and a protective mask if required.
▷
Collect and dispose of any lubricants.
▷
Observe all legal regulations on the disposal of fluids posing a health hazard.
11)
At least once a year