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Swing does not function; swing brake control in the "OFF" position
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Swing brake is not released.
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See "Swing Brake will not release" below.
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Loose connections or leaks.
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Repair. Tighten fittings or replace hoses.
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Pilot oil is not available at the joystick pilot valve.
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Repair pilot system.
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Pilot oil is not available at the control valve.
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Repair/replace joystick pilot valve.
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Main relief, port relief and crossover reliefs malfunctioning or incorrectly adjusted.
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Adjust, repair, replace.
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Seized spool in the control valve.
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Repair/replace valve.
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Insufficient pump flow.
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Repair/replace pump.
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Swing motor for worn or damaged.
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Repair/replace swing motor.
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Swing brake will not release; brake control in the "OFF" position
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Loose connections or leaks.
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Repair. Tighten fittings or replace hoses.
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Pilot oil is not available at the brake control valve.
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Repair pilot system.
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Pilot oil is not available at the brake cylinder.
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Repair/replace brake control valve.
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Brake cylinder malfunction.
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Repair/replace brake cylinder.
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