SC_FC Angle Polish Connector

8/6/2019 SC_FC Angle Polish Connector

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SC and FC

Angled Polish Connector

Instructions

February 2001

78-8130-4516-4-A


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Safety Information and Helpful Hints

Intended Use:

The following instructions are for the 3M SC and FC Angle Polish Connector (APC) polishing procedure only.The mounting procedures for the 3M SC/APC and FC/APC are the same as the standard 3M SC and FCconnectors as described in the instruction manual entitled, ST, SC and FC Epoxy Fiber Optic ConnectorInstructions, part number 78-8073-7874-6. If you need a copy of the mounting procedure, please contactTelecommunications, Technical Service Hot Line at 800-426-8688 option 4.

The recommended cleaning solvent for connectors and tools is isopropyl alcohol (reagent grade, 99% or better).It may be purchased from laboratory supply companies. Isopropyl alcohol should also be used to clean thelapping film and polishing jigs. Do not use acetone for cleaning.

Note: Carefully follow safety, health and disposal information on the isopropyl alcohol label or Material SafetyData Sheet (MSDS).

Please contact Telecommunications, Technical Service Hot Line at 800-426-8688 option 4 if you have anyquestions concerning any procedure.


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1.1 SC/APC Polishing Jig 1.2 5.0m Aluminum Oxide Lapping Film(Brown)

Conversion Kit Contents

1.3 1.0m Aluminum Oxide Lapping Film(Lime)

1.4 0.5m Imperial Diamond Lapping Film(Pale Gray)

2.1 FC/APC Polishing Jig

1.0 8366 SC/APC Conversion Kit

2.0 8367 FC/APC Conversion Kit

2.2 5.0m Aluminum Oxide Lapping Film(Brown)

2.3 1.0m Aluminum Oxide Lapping Film(Lime)

1.4 0.5m Imperial Diamond Lapping Film(Pale Gray)


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3.1 Remove the fiber stub by performing anair polish on the fiber by gently moving theconnector in a circular motion on the 5.0 mlapping film.

3.2 Clean the polishing jig with a lint freecloth moistened with isopropyl alcohol.

Note: Carefully follow safety, health and dis-posal information on isopropyl alcohol labelor Material Safety Data Sheet.

3.0 Single Mode Angled Polishing Procedure (< -65 dB)

3.3 Clean the rubber pad with a lint free clothmoistened with isopropyl alcohol.

3.4 Wipe a layer of alcohol onto rubber pad. 3.5 Before alcohol evaporates, place the 5.0m lapping film shiny side down. Thealcohol creates a suction on the lapping film.

3.8 FC/APC OnlyTo insert the FC/APC connector into thepolishing jig, position the connector so thekey of the connector is aligned with the keyon the jig. Insert the ferrule of the connectorinto the jig and engage the FC coupling nutonto the threads of the jig. Screw theFC/APC connector onto the jig until it stops.

3.7 SC/APC OnlyTo insert the SC/APC connector into thepolishing jig, position the connector to matchthe cut out on the jig. Insert the connectorinto the jig until the connector stops.

3.9 Hold the jig and connector with yourthumb and forefinger, as shown.

3.6 Clean the lapping film with a lint freecloth moistened with isopropyl alcohol.


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3.10 Continue to polish in a figure eightmotion on the 5.0 m lapping film untilthere is a thin layer of blue epoxy remainingon the tip of the ceramic ferrule. Stop whenthe outer edges of the epoxy starts tobreakup and feather (approximately 5 to 8figure eights.)

Note: The 5 m lapping film can be usedfor up to two (2) connectors.

Note: Until you are familiar withthis process, inspect the remainingepoxy after each figure eight until a

thin feathered edge remains. DONOT REMOVE ALL THE EPOXYWITH THE 5.0 m LAPPING

FILM.

3.11 Prepare to perform the 1.0 m polish.Clean the polishing jig and 5.0 m lappingfilm with a lint free cloth moistened with iso-propyl alcohol. Place two to three drops of

isopropyl alcohol on the 5.0 m lapping film.Before the alcohol dries, lay the 1.0 m lap-ping film, shiny side down, directly on the5.0 m lapping film. Clean the 1.0 m lap-ping film with the isopropyl alcohol moist-ened lint free cloth.

3.12 Place a few drops of water on the 1.0m lapping film. Lower the jig gently onto the1.0 m lapping film. Using medium pressure(equivalent to 1 lb. force), perform figure

eights until all the epoxy is removed,approximately 5-8 figure eights.

Note: The 1 m lapping film can be used forup to four (4) connectors.

3.13 Prepare to perform the 0.5 m polish.Clean the polishing jig and 1.0 m lappingfilm with a lint free cloth moistened withisopropyl alcohol. Place two to three drops of

isopropyl alcohol on the 1 m lapping film.Before the alcohol dries, lay the 0.5 mlapping film, shiny side down, directly on the1.0 m lapping film. Clean the 0.5 mlapping film with the isopropyl alcoholmoistened lint free cloth.

3.14 Place a few drops of water on the0.5m lapping film. Lower the jig gently ontothe 0.5m lapping film. Using medium toheavy pressure (greater that 1 lb. force),perform 8 figure eights.

Note: The 0.5 m lapping film can be usedfor up to fifteen (15) connectors.

3.0 Single Mode Angled Polishing Procedure (< -65 dB)

3.9 Beginning with light pressure, move thejig in a figure eight pattern. The speed of yourfigure eights should be between one and twoper second.

3.15 Inspect the connector end face with theview scope.

3.16 Turn on the light and adjust the focus.


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3.17 Good polish (single mode) 3.19 Needs more polishing. 3.20 Too much pressure when scribing.

3.21 Scribed fiber was too long and brokeduring polishing or too much downwardpressure during polishing.

3.22 SC Only: Connector AssemblyOnce the SC connector has been mounted andpolished, the housing can be installed onto thebody. While holding the connector firmly bythe boot, align the chamfers on both theconnector and housing and snap into place. Apositive click will be heard when the housingis fully engaged.

3M is a trademark of 3M.

Telecommunications

6801 River Place Blvd.Austin, TX 78726-9000800/426-8688www.3M.com/telecom

Litho in USA 3M IPC 2001 78-8130-4516-4-A

IMPORTANT NOTICE

Before using this product, you must evaluate it and determine if i t is suitable for your intended application. You assume all risks and liabilityassociated with such use.

Warranty; Limited Remedy; Limited Liability. This product will be free from defects in material and manufacture as of the date ofpurchase. 3M MAKES NO OTHER WARRANTIES INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OFMERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. If this product is defective within the warranty period stated above,

your exclusive remedy shall be, at 3Ms option, to replace or repair the 3M product or refund the purchase price of the 3M product. Exceptwhere prohibited by law, 3M will not be liable for any loss or damage arising from this 3M product, whether direct, indirect,special, incidental or consequential regardless of the legal theory asserted.

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SC_FC Angle Polish Connector