Case March 2014 - Page 12

INTRODUCTION
15.Repairswhichrequireweldingshouldbeperformedonlywiththebenetoftheappropriatereferenceinforma-
tionandbypersonneladequatelytrainedandskilledinweldingprocedures.Determinethetypeofmetalbeing
weldedandselectthecorrectweldingprocedureandelectrodes,rodsorwirestoprovideametalweldstrength
atleastequivalenttothatoftheparentmetal.Makesuretodisconnectthebatterybeforeanyweldingoperation
isperformed.
16.Donotdamagewiringduringremovaloperations.Reinstallthewiringsoitisnotdamagednorwillbedamaged
inoperationofthemachinebycontactingsharpcorners,orbyrubbingagainstsomeobjectorhotsurface.Do
notconnectwiringtoalinecontaininguid.
17.Besureallprotectivedevices,includingguardsandshields,areproperlyinstalledandfunctioningcorrectlybefore
startingarepair.Ifaguardorshieldmustberemovedtoperformtherepairwork,useextracautionandreplace
theguardorshieldafterrepairiscomplete.
18.Performingmaintenanceandrepairoperationswhilethebucketisliftedisdangerous,becausethereisthepos-
sibilityofadevicefalling.Donotfailtolowersuchdeviceandplacethebuckettothegroundbeforestartingthe
operation.
19.Looseordirtyfuel,lubricationandhydraulicsystems,pipesandhosesmaycauseres.Donotbendorstrike
high-pressurelines,donotinstallbentordamagedlines.Inspectlines,tubesandhosescarefully.Donotcheck
forleakswithyourhands.Verysmall(pinhole)leakscanresultinahighvelocityoiljetthatwillbeinvisibleclose
tothehose.
Thisoilcanpenetratetheskinandcausepersonalinjury.Usecard-boardorpapertolocatepinholeleaks.
20.Tightenconnectionstothecorrecttorque.Makesurethatallprotectionsagainstburns,theclampsandtheoper-
ator’sprotectivedevicesarecorrectlyinstalledinordertopreventexcessiveheat,vibrationsorrubbingagainst
otherpartsduringoperation.Shieldsthatprotectagainstoilsprayontohotexhaustcomponentsineventofa
line,tubeorsealfailuremustbeinstalledcorrectly.
21.Donotoperateamachineifanyrotatingpartisdamagedorcontactsanyotherpartduringoperation.Anyhigh
speedrotatingcomponentthathasbeendamagedoralteredshouldbecheckedforbalancebeforereusing.
22.Becarefulwhenservicingorseparatingthetracks.Chipscanywhenremovingorinstallingatrackpin.Wear
safetyglassesandlongsleeveprotectiveclothing.Trackscanunrollveryquicklywhenseparated.Keepaway
fromfrontandrearofmachine.Themachinecanmoveunexpectedlywhenbothtracks(crawlers)aredisengaged
fromthesprockets.Blockthemachinetopreventitfrommoving.
47574282B24/03/2014
6