probst SH-2500-UNI-B Betriebsanleitung Seite 130

Maintenance
10.4.5 Check vacuum hoses and hose clamps
1. Check the vacuum hoses for wear.
2. Replace damaged vacuum hoses (chafing, breaks, kinks, etc.).
Check the hose clamps for tightness and tighten if necessary.
10.4.6 Check the tightness of the lifting device
1. Switch on the vacuum generator.
2. Place the lifting device on a load with a dense, smooth surface, e.g. a metal sheet.
3. Suck in the load.
4. Wait until a vacuum of approx. -0.7 bar is reached.
5. Switch off the vacuum generator.
6. Observe the pressure drop on the pressure gauge.

The vacuum may drop by a maximum of 0.1 bar within 5 minutes.
Release the
lifting device from
the load. If the
vacuum is released
more quickly:
1. Check the suction plate or sealing lip, hose, hose connections and screw
connections for damage and leaks and replace if necessary.
Check the vacuum filter and clean or replace the filter cartridge if necessary.
52400043 44 / 47 GB