SHB WL34 * 2.0 1-27
Maintenance 1
Maintenance
Instructions for troubleshooting in case of central lubrication system blocking
Causes for clogging in the system
• Squeezed or blocked lubrication line
• Bearing blocked or overfilled with lubricant
• Lubricant not suitable for central lubrication systems
• Blocked distributor output
• Blocked distributor
Clogging indication
An overpressure rising beyond the operating pressure is a sign of blocking
and is displayed as follows:
• Grease comes out at pressure relief valve
• Overpressure indication or pressure relief valve upon actuation of
microswitch on pump (option)
Detecting clogging
1. Unscrew the main line of the main distributor and operate the pump.
2. Check whether the lubricant is delivered correctly.
3. Screw the main line onto the main distributor.
4. Unscrew the sleeve nuts of the distributor one after another, and press
the pump each time.
Blocked lubrication points are those where the pressure drops in the
related line, or where the manual pump can be actuated.
After checking the main distributor and finding the blocking, the
corresponding auxiliary distributor has to be checked up to the lubrication
point in the same way.
In the case of large systems, we recommend screwing in a grease zerk at
the distributors and then checking the function of the distributor with a
manual pump.
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