KSB HPK Series User Manual

7 Servicing/Maintenance
54 of 80
HPK
1121.8/06-EN
7.2.2.3 Cleaning filters
CAUTION
Insufficient inlet pressure due to clogged filter in the suction line
Damage to the pump!
▷ Monitor contamination of filter with suitable means (e.g. differential pressure
gauge).
▷ Clean filter at appropriate intervals.
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22: Oil change intervals
Temperature at the
bearing
First oil change All subsequent oil
changes
10)
Up to 70°C After 300 operating hours Every 8,500 operating
hours
70°C - 80°C After 300 operating hours Every 4,200 operating
hours
80°C - 90°C After 300 operating hours Every 2,000 operating
hours
7.2.3.1.2 Oil quality
Oil quality Table23: Oil quality
Description Symbol to
DIN51502
Properties
CLP46 lubricating oil
to DIN51517
or
HD20W/20 SAE
□ Kinematic viscosity
at40°C
46±4 mm²/s
Flash point (to
Cleveland)
+175°C
Solidification point
(pour point)
-15°C
Application
temperature
11)
Higher than
permissible bearing
temperature
10
At least once a year
11
For ambient temperatures below -10 °C use a different suitable type of lubricating oil. Contact KSB.

KSB HPK Series Specifications

General

Brand	KSB
Model	HPK Series
Category	Water Pump
Language	English