Problem to reach high speed downhill - VRA piston verifying

There may be cases when the downward cabin’s speed is not regular and this kind of problem is frequency resolved by the regulation of screw number 8: screw to increase the downward speed and unscrew to decrease. Sometime this act is not enough to resolve the problem and for this reason it is necessary to intervene on VRA piston (down travel balancing valve). Due to the presence of dirt or dust residues and proper handling can be compromised. In this video, it shows a process modality to solve the problem with both valves, HC valve for platform and NL for elevators. For more information or doubts, we remind you to download the “Omarlift” technical App, available for free on the Apple Store and Google Play Store. To request the technical assistance to our service, please you can easily open your technical ticket by sending an email to service@omarlift.eu specifying the job number (6-digit code) gets on the component label and the problem.