6-MAINTENANCE
Quickcoupler
WARNING
Improperoperationorserviceofthisma-
chinecanresultinanaccident.
Ifyoudonotunderstandamaintenance
procedure,ordoubtyourabilitytoper-
formamaintenanceprocedurecorrectly,
seeyourauthorizeddealer.
Failuretocomplycouldresultindeathor
seriousinjury.
W0157A
itisimperativetocarryouttheopeningofthequick
couplerlockinghookcheckonceaweekandeach
timethequickcouplerisinstalled.
1.Placetheswitch(1)inunlockingposition.The
audiblealarmdevicewillsound.(Refertopage
3-33).
SMIL13CEX2622AB1
2.Operatethebucketcontroltoretractthecylin-
derrodcompletelyandmaintainthehydraulic
pressuresothelatchinghookretractsand
comesupagainstthelockingbar.
SMIL13CEX2836AB2
WARNING
Fallingobjecthazard!
Ifthemeasurement(S)exceedsthemax-
imumauthorizedvalue,donotusethe
quickcoupler.Contactyourdealer.
Failuretocomplycouldresultindeathor
seriousinjury.
W0270A
3.Checktheopeningmeasurement(S)ofthe
latchinghook.
Undernocircumstancesmaythemeasure-
ment(S)exceed(Lockingbarrestingon
surface):
(1)57.8mm(2.3in)
(2)42.3mm(1.7in)
Otherwise,consultyourCASECONSTRUC-
TIONDealer.Makesurethelockingbarisnot
damaged.Checkthatitfunctionscorrectlyand
isnotfouledbyforeignmatter.
NOTICE:makesurethattheattachmentisrestingonthe
ground.Shutdowntheengineandremovetheignitionkey
beforecarryingoutoneofthefollowingchecks.
SMIL13CEX2888AB3
6-75