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Summary of Contents for AccuTools A10757-3
- Page 1 TruBlu Evacuation Tools Steps to a Proper Evacuation How to get the most out of the TruBlu Evacuation rig, quickly and safely achieve deep, dry and tight systems. This manual subject to change without notice. 1.800.561.8187 information@itm.com www. .com...
- Page 2 TruBlu Quick Start and User Instructions TABLE OF CONTENTS Safety ..........2 Introduction .
- Page 3 Gauge and Use the Free BluVac App! TruBlu hoses work with most any vacuum gauge, however we strongly recommend the Accutools BluVac+ models to take advantage of the free BluVac App. The BluVac App offers guidance, education, reporting, and diagnostics to assist and document the evacuation process.
- Page 4 The conductance speed of 1/4" OD refrigeration tubing is too small to be useful as a connecting line in a system; so small we will not even discuss it. Never use it if you can avoid it as it is too costly in excessive pump-down time. Review of Vacuum for Service Engineers, Saunders and Williams Copyright 1959, Revised 1988, p.
- Page 5 Getting Started with TruBlu Cautions/Safety TruBlu hoses are intended for use by professionally trained HVAC technicians. TruBlu hoses are not intended for pressure. They are designed for vacuum only the same as your vacuum pump. Pressurizing a vacuum hose could cause displacement of the O-ring seal which leads to pressure loss, refrigerant loss, and could cause bodily injury.
- Page 6 Removing the Schrader cores provide the fastest evacuation. The 1/4” hose-end is to be connected directly to the back of the AccuTools Schrader Core Removal Tool. *If the cores cannot be removed, connect the AccuTools Schrader Core Depressor to the service valve, and depress the core with the thumb screw to fully open the Schrader port.
- Page 7 This is called a decay or leak test. The below graphs are available free from the AccuTools BluVac Application. 9. A slight rise followed by slowing of the leak rate assures that the system is dry and tight.
- Page 8 Checking Your TruBlu Hose Rig for Leaks Let’s start with the statement, “everything leaks!” What concerns us is the leak rate. The pump and vacuum rig have to overcome the leaks in the hoses or connections, so a low leak rate is critical for good evacuations.
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