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Field Report - Basic steps for troubleshooting hydraulic issues

There are many ways to diagnose hydraulic issues. Here are a list of some basic steps to follow, from research to working safely onsite to troubleshoot the problem.

Understanding the Converflo and Concept IV-MH headboxes

Converflo headboxes use a dump valve as a vacuum breaker. When functioning correctly the valve prevents damage to the flow sheets when the headbox is shut down.

The purpose, operation and maintenance of belted threaders

Typical threading of a winder starts at the unwind stand and continues to the cores. The equipment used to thread the sheet must be maintained for optimal running. This is a refresher on general operation of a belted threader, installation of belts and maintenance schedule.

Proper setup of a pressure compensate pump and dump valve

Many hydraulic systems on the paper machine use pressure compensated pumps. Pump and pressure compensator adjuster setup is easy if you know what you are doing.

Follow this checklist to troubleshoot CD moisture profiles

Poor CD moisture profiles are usually caused in the press or forming sections, but the dryer section can also play a role. Follow these troubleshooting tips to improve your CD moisture profiles.

Troubleshooting cores falling during a winder auto setchange

Every winder core loader eventually runs into the same problem at some point - the cores fall during the set change process. This article lists safety concerns, probable causes and corresponding corrective actions to diagnose and resolve this problem.

Electrical troubleshooting basic tips and fault cataloging

Effective electrical troubleshooting is best done using a practical, systematic approach. This article is a brief review of basic tips and fault cataloging.

Hydraulic safety, general practice reminders and troubleshooting

Excessive heat and noise are prime indicators of fluid system malfunction on fiber, paper, board and tissue machine lines. But before jumping in to fix a fluids problem - there are several safety factors to consider before and during maintenance. In this article we list these, as well as basic troubleshooting tips for fluids.

Webinar presents ways to improve safety around the winder

The batch process occurring five to ten times per hour at the winder represents one of highest potential areas of danger in the mill for operators and maintenance personnel. A free webinar on August 3rd, 2016 explored ways to mitigate this risk. The webinar is now archived and available for playback.

Shoe press users group discusses the latest developments

SPUG presents Valmet's latest shoe press developments as well as providing one-on-one Valmet assistance and a venue for mill personnel to share techniques. For example, Valmet Black Belt shoe press belt and Valmet Belt Roll Doctor shoe press roll doctor are technologies that were discussed at past SPUG events.