Watch the Weather!

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Watch the Weather!

In many areas the weather is starting to cool down often causing problems resulting in service calls such as:

I keep getting over-pressure alarms
When I start the machine I get about a pound of resin and it shuts down.
I keep getting dry mix especially in the morning requiring me to increase my resin percentage.
Lately the machine has been running with a much higher resin percentage to get the right mix.
My usage totals don't match my inventory records.

Alarms and shutdowns are often caused by the resin pressure being higher and tripping the pressure sensor. Requiring adjustment the pressure sensing device, taking care not to over adjust allowing extreme pressures caused by blockages or heater corrosion to go unnoticed.

As for the other problems, with the colder resin temperatures the increased viscosity of the resin can cause the pumps to deliver less resin per revolution than when warmer. To solve these issues try to keep the resin as temperature controlled as possible and run the calibration procedure for your machine to record the current actual performance values allowing the machine to accurately calculate usage and delivery.