Scotsman Ice Ice Machine none user manual

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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.
Male Fitting Before Connecting Male Fitting After Connecting

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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. Failure to lubricate could cause a false sense of tightness and a leak will result from the incomplete assembly. Note: Scotsman line sets include lubricant packets. 3. Position the

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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. No sealing takes place until the final stage, when the outer edge of the center post in the swivel nut is forced against the bottom of the male fitting, creating a mechani

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Coupling Assembly Details Two Threads Showing Barely Pierced Knives Just Showing Page 4

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Coupling Assembly Details One Thread Showing Partly Pierced Knives Exposed Page 5

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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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Coupling Sealing Details Coupling sealing occurs when the two sections seat together. At the final 1/4 turn, the shoulders in the swivel nut end are compressed against the male end sealing area, forming two grooves in it and sealing the coupling. Sealing Sealing Area Area Shoulders Male End Before Use Swivel Nut End, Swivel Nut Removed Formed Grooves Create Seal Seat Male End After Connection Seating Area, Swivel Nut Removed Scotsman Ice Systems 800-533-6006 item # 291-824 Page 8