Preventive Maintenance

 Discover Opportunities for Renzmann Solvent Recovery Systems

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Ever heard the saying “an ounce of prevention is worth a pound of cure?” It’s based around the idea that taking better care of something when it is in good working order takes less time, energy, and resources than fixing something after it has developed a problem.

But in the printing industry, as well as coating and paint manufacturing, preventive maintenance has always been a tricky proposition. Why?

  • Preventive maintenance is perceived as downtime.
  • Specialized equipment maintenance requires specialized training.
  • Maintenance is (mistakenly) believed to cost the same as repair.

 So, why take on the extra time and expense? 

These are all fair concerns. But what if they didn’t have to be? That’s what Daetwyler’s Preventive Maintenance services are all about. We send our certified, highly trained technicians to your pressroom and they complete the maintenance on your cleaning equipment for you.

Why Daetwyler for Preventive Maintenance?

Daetwyler has more than 40 years of serving print and coating manufacturing businesses with quality and excellence in all aspects. What’s more, our own Daetwyler team is one of the most experienced in the business with decades of hands-on work in multiple types of print environments, working with hundreds of different set-ups for thousands of different print applications.

We won’t say we’ve seen it all… but we have yet to be stumped. And that’s because we’re thorough. Just look at the checklist we follow for preventive maintenance on the RW Renzmann solvent distillation units that we provide.

Standard review and Preventive Maintenance for Renzmann solvent recovery systems

  • Inner structure inspected for waste-build-up. Utilization of manual or chemical removal of waste (if necessary).
  • Hatches and gaskets for vessel and tanks inspected / replaced.
  • Vessel frame inspected for damage / cracking.
  • Stairs and work platform verified as being tight to prevent accidental falls.
  • Bottom drain valve removed (if necessary) and cleaned to prevent clogging.
  • Condenser checked for proper temperatures and integrity.
  • Sight glasses and lighting fixtures cleaned, and light bulb replaced (if necessary).
  • Associated hinges and bolts inspected and greased.
  • General grounding of equipment and associated pieces.
  • Integrity and remaining life of scraper system. Blades will be replaced on ROTOmaX series.
  • ROTO-Drive M26 scraping system drive inspected for oil level and integrity of kettle sealing rings.
  • Thermal Oil (if applicable) will be drained and refilled.
  • Heaters removed and cleaned if oil system is present and oil change is to occur.
  • Oil pump inspected and rebuilt if necessary.
  • Oil temperature, thermostat, capillary tubes, etc. will be inspected for functionality and safety interlock.
  • All level sensors for distillation vessel and associated tank systems will be inspected for proper operation and cleaning of sensing probes (if necessary).
  • All flanges will be inspected for leaking and tightness.
  • Steam gate valves, traps, and strainers (if applicable) will be inspected.
  • Pressure regulators will be adjusted and set according to OEM specification.
  • All solvent lines will be inspected for leaking, or any form of damage.
  • All valves will be inspected and tested to verify proper operation.
  • All associated filters will be inspected and cleaned.
  • Pressure relief valve is recommended to be replaced.
  • All pumps associated with equipment will have the following inspected:
    Packing, Alignment, Coupling, Hardware, Conduits, Gaskets.
  • Vacuum will be monitored and verified acceptable.
  • Gauges will be inspected for accuracy and noted for replacement as needed.
  • Nitrocellulose safety package will be inspected and verified as working.
  • Electrical cabinet will be inspected for functionality and safety in its entirety.
  • Self-enclosed steam systems will be verified as being properly bled.
  • All machine programs will be inspected and updated with all known updates applicable to customer specific machines:
    HMI, PLC, Level sensor (radar & pressure transducing).
  • Training and review of current processes and operators for safety and efficiency.
  • Optimization of solvent output for safety and yield if improvement is achievable.

Do you have anyone on your team that can deliver that level of attention to detail towards maintaining all your equipment? If so, great! If not, we encourage you to get in touch with us and request a quote to bring Daetwyler to you.

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