Kärcher HD 5 12 Service Manual

Contents

Kärcher HD 5 12 Service Manual Manual pdf 11 page image

New Unit Information 02.2004HD 5/12 TroubleshootingPage 11 / 12TroubleshootingFault SolutionUnit not running – Check/replace mains voltage, connection cable and mainsfuse.– Check/replace unit switch.– Check/replace pressure switch.– Check/replace overflow valve.– Check/replace motor.Unit does not becomepressurised– Check/increase water inlet volume.– Clean/replace water inlet strainer.– Bleed unit.– Check/replace high-pressure hose.– Check cylinder head for leaks and replace as necessary.– Check/replace overflow valve.Unit constantly switches onand off with handgun closed– Check/replace handgun and o-rings at high-pressure hosefor leaks.– Check/replace cleaning agent non-return valve.– Check/replace pressure/suction valves for leaks.– Check/replace overflow valve.– Check/replace non-return valve.– Check/replace pressure switch.Unit won't switch off whenthe handgun is closed– Check/replace overflow valve.– Check/replace non-return valve.– Check/replace pressure switch.Cleaning agent is not drawnin– Clean/replace cleaning agent non-return valve.– Check/replace cleaning agent nozzle.– Replace injector.– Clean/replace cleaning agent strainer.– Check replace metering valve.Water escapes between thecylinder head and pistonhousing– Check replace high-pressure and low-pressure seals.Oil escapes between thecylinder head and pistonhousing– Replace the oil seals.

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