Seed-hawk TOOLBAR 2013 45 & XL SERIES Manuel d'utilisateur télécharger pdf (Page 55)

SEEDHAWK®TOOLBAROPERATOR’SMANUAL55

8.0 TROUBLESHOOTING

8.1 TROUBLESHOOTINGNONSCTEQU IPPEDTOOLBARS



SYMPTOM



POSSIBLECAUSE



SOLUTION

Cannotadjust

shankpressure.

Incompleteengagementof

hydraulicquickcouplers

Inspectquickcouplerstoensurecompleteengagement.

Lockvalvesforshanksare

setinclosedposition.

Ensurethatbothlockvalves,oneatthemanifoldandoneat

thetractorquickcoupler,aresettotheopenposition.

Noelectricalpowerto

shanksolenoidvalve.

Checkforbrokenwireinharnesstosolenoidcoil.

Noelectricalpowerto

shankpressureadjustment

motor.

Checkforbrokenwiretoshankpressureadjustmentmotor.

Tractorhydraulicselector

valvenotholdingpressure.

DisconnectcoupleratCircuit#1.Ifpressureisnowadjustable,

repairthetractorselectorvalve.(makesuretheleverisin

workingpositionnotfloat)

Solenoidcoil

malfunctioning.

Activatesolenoidvalvemanualoverride.Iftheshankpressure

respondsproperly,replacethecoilalsocheckforpowergoing

tocoil.

ShankSolenoidvalve

cartridgecontaminated.

Removesolenoidvalvecartridgeperrepairinstructionsinthe

MAINTENANCEsectionofthisOperator’sManual,inspectto

makesureallo‐ring sarenotdamaged,thencleanandreplace.

Shankpressuregauge

malfunctioning.

Removeandreplacepressuregaugeifnotrespondingto

increaseanddecreaseofpressure



SYMPTOM



POSSIBLECAUSE



SOLUTION

Shanksdonot

maintain

trip/packing

pressureinhilly

terrain.

The“IN”pressuregauge

indicateslessthan1200PSI

Inspectquickcouplerstoensurecompleteengagement.

Excessivefieldoperating

speed.

Reducefieldoperatingspeed.



Note:Trip/packingpressuremaybemomentarilyincreased

byactivatinghydraulicCircuit#1whilepassingthrougha

shallowdipintheterrain. 

Intermittentelectrical

powersupplytoshank

solenoidcoil.

Ensureallelectricalconnectionsarefullyengagedandno

openelectricalcircuitstocoil.

Shankswillnot

godownunder

pressure

Pivotpointsaretootightor

seized.

Loosenuppivotpointsabout1/8ofaturn.Don’toverloosen

them.

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Seed-hawk TOOLBAR 2013 45 & XL SERIES Manuel d'utilisateur Page 55

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