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Boom And Bucket Will Not Move
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Park brake will not engage
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Seat belt or seat switch not activated or not properly sequenced.
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Park brake engaged
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Disengage park brake.
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Excessive Pump Noise
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Low oil level
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Add oil to correct level.
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Suction line clogged
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Check for line restriction, or replace hose as necessary.
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Air leaks at pump inlet line fittings
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Check all hydraulic connections, and tighten as necessary.
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Low Hydraulic Power
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Hydraulic oil aerated
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Drain hydraulic oil tank and refill.
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Low oil level
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Check oil levels.
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Air leaks at pump inlet line fittings
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Check all hydraulic connections, and tighten as necessary.
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Slow Hydraulic Function
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Auxiliary hydraulic handle locked in detent position (Standard Controls)
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Return handle to neutral position.
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Auxiliary hydraulic roller locked in detent position (EH Controls)
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Return roller to neutral position.
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Boom or bucket overloaded
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Lighten load on hydraulic function.
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Low oil level
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Add oil to correct level.
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Engine rpm too low
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Increase rpm, or check engine speed.
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Hydraulic oil aerated
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Incorrect oil; drain and refill. Suction hose has air leak; inspect and tighten.
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Hose or line leakage
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Inspect and tighten fittings.
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Machine Loses Power
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Dirty or clogged fuel water separator filter
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Check fuel water separator filter.
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