Alko Coupling Ball Adjuster Screw: Get Precise Adjustments for Your Coupling Ball

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Alko coupling ball adjuster screw fits all Alko plunger type 1 7/8″ amd 50mm couplings


In order to adjust the ball adjustment screw, the coupling must be first fitted to the tow ball. The 21mm locking nut should first be loosened by turning anticlockwise. Using a large ‘flat head’ screwdriver, the adjustment screw should then be turned clockwise until contact is made with the ball. Only very light contact should be made otherwise premature wear may occur. Tighten the locking nut to ensure the adjustment of the screw does not change.

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