Service technicians need to completely evacuate a refrigeration system any time they open the system to the atmosphere. Vacuum pumps and micron gauges are the tools you need to use for this. Are yours ...
DEEP EVACUATION ON A GROCERY STORE RACK: Multiple large hoses coupled directly to a high-cfm pump is the easiest way to pull down a refrigeration rack. February 25, 2019 Evacuation is often called ...
Normally the assist is there. Sometimes the problem is the engine you couldn't quit building. Big cams with big lift can cause real low vacuum situations at idle and low rpm, especially with Ford ...
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