Chip Spreader: Auxiliary Hydraulic Pressure will not Relieve Mobile App

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  Other Problems affected:#5 Hydraulic oil temperature alarm

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  Problem is found during the process of checking pressures of the auxiliary hydraulic pumps #2 & 3.

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  The main pressure must relieve after checking main pressure or auxiliary pump will not de-stroke ...

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  To correct the problem:

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  Shut off machine.

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  Close and shut off main hydraulic suction valve.

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  Locate and cap off case drain at pump.

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  Remove compensator from hydraulic pump(s).

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  Remove load sense compensator cartridge.

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  Locate allen head 2mm (orifice) inside housing

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  Remove orifice.

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  Clean out orifice with strand of primary wire or torch cleaning kit (if small enough).

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  Re-install orifice.

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  Re-install cartridge.

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  Re-install compensator.

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  Uncap and reinstall case drain hose.

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  Open suction valve.

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  Install air regulator to hydraulic tank through vent filter connection.

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  Apply 3 - 5 lbs to hydraulic system to push any trapped air in hydraulic system out.

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  Start machine and operate all functions to ensure hydraulic oil circulation.

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  Check and adjust pressures.

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  Check to see if pressure relieves after main pressure is achieved.

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  If unable to adjust pressures on pump - pump may have sustained damage due to previous condition ...

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  Isolation of pumps will be necessary to find out which pump is affected.

• ...and More!