13.07.2015 Views

PN 57.4400.0100_020115 - Genie

PN 57.4400.0100_020115 - Genie

PN 57.4400.0100_020115 - Genie

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17.2 HYDRAULIC TROUBLESHOOTINGFAULTThe machine drive isnot enough. Themachine will not moveThe boom does notmoveThe boom jerksNo steering ispossible with engineshut downWheel misalignmentCAUSEThe oil filter is cloggedThe max. pressure of the hydraulicsystem is not enoughThe min. pressure of the hydraulicsystem is not enoughThe drive pump and / or motor isdamagedLow hydraulic levelThe max. pressure of the hydraulicsystem is too low.The min. pressure is too lowThe control lever is damagedThe distributor cursor is blocked.The accumulator is damaged oremptyThe one-way valve 37 to 40 is dirtyor damagedInternal cylinder blow-bySOLUTIONChange the filter.Check teh max. pressure.Check the min. pressureTest the drive.Visually check the oil level; ifnecessary, add new oilCheck the max. pressure.Check the min. pressure.Check the lever; if necessary,replace it.Check the cursor; if necessary,replace it.Check the accumulator; ifnecessary, replace it.Check the valves; if necessaryreplace them.Check and change the sealThe steering columnis hard (low force inthe cylinders)Low pressureThe cursor of load sensing valve 10is blockedCheck the pressure of the powersteering circuitCheck the valve; if necessary,replaceDO NOT DISASSEMBLE ANY COMPONENT (S) DURING WARRENTY PERIOD WITHOUT CONTACTING TEREXLIFT.206 TX51-19M-1-SM 01-29-02 <strong>57.4400.0100</strong>

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