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Refrigeration Line Set Installation Details of Quick Connect Coupling Assembly Quick connect coupling assembly can be as simple as tightening a nut. But if not done properly, an expensive, not-covered-by-warranty refrigerant leak will occur. This booklet lists correct assembly steps, shows results of partial assembly and describes how a leak proof joint is made.
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Coupling Assembly Details Coupling Connection Instructions 1. Remove the protector caps and plugs. Wipe the seats and threaded surfaces with a clean cloth to remove any possible foreign matter. 2. Thoroughly lubricate the threads, o-rings, diaphragms and all internal coupling surfaces with polyolester refrigerant oil.
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Coupling Assembly Details Coupling Description The following pages show the stages of coupling assembly as the swivel nut and male fitting are drawn together. The swivel nut end contains one diaphragm in the center post. The male fitting contains the knife blades and its own diaphragm. Note: 3/8 male ends have one knife blade.
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Coupling Assembly Details Two Threads Showing Barely Pierced Knives Just Showing Page 4...
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Coupling Assembly Details Threads Flush Pierced but will leak Knives Visible Page 6...
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Coupling Assembly Details Correctly Tightened Fully Open Fully Open Page 7...
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Sealing Area Male End Before Use Formed Grooves Create Seal Male End After Connection Swivel Nut End, Swivel Nut Removed Seat Seating Area, Swivel Nut Removed Scotsman Ice Systems Page 8 Sealing Area Shoulders 800-533-6006 item # 291-824...
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