Rotary Vane Vacuum Pump Maintenance

The problem is if the motor becomes too hot it lowers the viscosity of the oil.

Rotary vane vacuum pump maintenance. You should verify in the pump instruction manual that the site glass is connected to the main oil charge and that it is a true indication of the quality of oil in the pump. In fact too much compression of the spring can cause sharp wear of the friction pair and instant burning. Unfortunately pumps are also exposed to acid or organic chemical vapors that can cause some real maintenance issues. 03 9768 3240 fax.

Vacuum pumps should be dismantled and inspected after every 3000 hours of operation. A twostage oil lubricated rotary vane pump running in the torr range for extended periods will get extremely hot throw oil mist out the exhaust and eventually fail prematurely by contrast single stage oil lubricated rotary vane vacuum pumps are designed to run comfortably in the torr or inches of mercury pressure range. Forward this manual contains installation operation maintenance and troubleshooting information for the model 140 5 rs rotary vane vacuum pump. The greater the spring compression the better the sealing effect of the rotary vane vacuum pump.

Maintenance of high quality vacuum pump oil is imperative to continuous operation of the freeze dryer. Please read it in its entirety before operating the pump. Most vacuum pumps are equipped with a site glass. Rotary vane vacuum pumps are often in use 24 hours a day 7 days a week.

If you use the pump in an enclosed area consider running a fan to cool it down. For oil sealed rotary pumps the vanes fig. Replace the vacuum pump oil in time after the shutdown start the vacuum pump once after the oil tank is drained and shut down after running for 3 to 5 seconds so that the vacuum pump oil in the pump body is completely discharged with the atmosphere. Excessive compression makes the tension spring lose the ability to adjust the end face of the moving ring leading to seal failure.

The most common preventative maintenance tasks for a. Another important factor pertaining to maintenance has to do with keeping a rotary vane vacuum pump cool. Regular preventative maintenance will maximize the lifespan of your rotary vane vacuum pump. Particularly with oil sealed rotary vane pumps the exposure of the oil to the chemical vapors can cause the oil to become corrosive or to break down and no longer serve its vital lubricating function.

Rotary vane vacuum pump maintenance knowledge.