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Cold Weather Tips for EnPaks and Rotary Screw Compressors

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Cold Weather Tips for EnPaks and Rotary Screw Compressors

For many of us in the country, we are going through another brutal stretch of cold weather. The cold can really cause problems for hydraulic systems and rotary screw air compressors. Here are a few tips that may help you out until we get a break in the weather.

PTO / Pump Setups:

When you turn your truck on to warm it up, flip on the PTO and let it run as well. This will help start circulating the oil and start building up some good heat. You do not need to run any functions (it is better if you don’t) just let it run and warm up before you start using your crane or compressor. The oil will thin out as it gets up to normal operating temperature.


When your EnPak is cold and starts up for the first time, it should ramp up to 2600 RPM EnPak Unitand once the engine gets up to 80° it will go down to base idle. You can watch the temperature climb on your display if you cycle through to the H20 display.

Close your air tank and turn on your compressor. It will build to 70 lbs and blow off, it will then climb to 90 lbs and blow off again. Next, crack your air tank so that the compressor maintains a constant 100 lbs of pressure. Let it run for awhile (20+ minutes). What you are doing is heating up the compressor oil so that it can burn off the moisture.

PTO Rotary Screw Compressors:

For compressors like the Boss Infinity 60, turn on your compressor and crack your air tank. You can watch the temperature gauge. Let it get up to 160° and let it run for 15 minutes or so. Again, the rotary Boss Infinity Compressorscrews trap moisture in the compressor oil when they suck in air. If your oil gets hot enough, the moisture will burn off. If your compressor only runs for a few minutes here and there, that moisture collects and can eventually freeze an intake valve, shutting your compressor down.

Rotary screw compressors work better when they are run HARD on a daily or weekly basis.

Hopefully this will save someone out there a little headache when you’re trying to get the job done and your equipment won’t cooperate. Please call us if you have any questions.