7-MAINTENANCE
“Return-to-dig”system-4WS
Return-to-digisanelectricallyactivatedfeaturewhich
enablestheoperatortoautomaticallyreturnthebucket
toaleveldiggingpositionforafurtherworkcyclewith
onesimplemovementoftheloadercontrollever(3).
Wheneverthebucketisrolledforwardtodumpthere-
turntodigelectricalcircuitiscompletedandthesole-
noidonthebucketspoolisenergized.
Whentheloaderbucketcontrollever(3)ismoveddi-
agonallylefttothereturntodigposition(2)theelectro-
magnetwillholdthebucketspoolintherollbackpo-
sitionuntilthebucketisintheleveldiggingpositionat
whichtimetheindicatorontherodofthebucketlinkage
willpassinfrontofthesensorwhichde-energizesthe
electromagnetonthebucketspoolenablingthespool
toreturntotheneutralposition.
MOLI12LBB0505BB6
Return-to-digsensor-adjustment
1.Thereturntodigsystemconsistsofanelectromagnet
mountedontheloaderbucketcontrolvalvespool,a
sensor(1)mountedontopoftheloaderarmanda
pointerattachedtothetubeofthebucketself-levelling
linkage.
2.Placethebucketonthegroundinthepreferreddigging
position.
3.Checkthedimensionsof88.5mm(3.5in)and7.5mm
(0.30in)aremaintainedasshown.
4.Ensurethatthefaceofthesensor(1)is6mm(0.24in)
fromtherod(2).
MOLI12LBB0506AB7
NOTE:Asavisualaidfortheoperator,whileseatedinthecab,thepointermountedontheloaderarmcanbeseen
toalignwiththepointeronthereturntodiglinkage,whentheloaderarmsareloweredandthebucketisinthelevel
diggingposition.
7-137
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