Yamaha YK250XGC, Installation Manual

Page: 26 / 96

Safety Instructions
S-18
4.6 Inspection and maintenance
Always perform daily and periodic inspections and make a pre-operation check to ensure there are no
problems with the robot and related equipment. If a problem or abnormality is found, then promptly repair it
or take other measures as necessary.
Keep a record of periodic inspections or repairs and store this record for at least 3 years.
4.6.1 Before inspection and maintenance work
Do not attempt any work or operation unless described in this manual. 1.
Never attempt any work or operation unless described in this manual.
If an abnormal condition occurs, please be sure to contact your distributor. Our service personnel will take appropriate
action.
• nEvER aTTEMPT InSTallaTIOn, aDjUSTMEnT, InSPECTIOn anD MaInTEnanCE UnlESS DESCRIbED In ThIS ManUal.
• never attemPt any rePair anD Parts rePlacement unless DescribeD in this manual. these tasKs require
SPECIalIzED TEChnICal knOWlEDgE anD SkIllS anD May alSO InvOlvE hazaRDS. PlEaSE bE SURE TO
COnTaCT yOUR DISTRIbUTOR fOR aDvICE.
Precautions during repair and parts replacement 2.
WhEn IT IS nECESSaRy TO REPaIR OR REPlaCE PaRTS Of ThE RObOT OR COnTROllER, PlEaSE bE SURE TO COnTaCT
yOUR DISTRIbUTOR anD fOllOW ThE InSTRUCTIOnS ThEy PROvIDE. InSPECTIOn anD MaInTEnanCE Of ThE RObOT
OR COnTROllER by an UnSkIllED, UnTRaInED PERSOn IS ExTREMEly hazaRDOUS.
Adjustment, maintenance and parts replacement require specialized technical knowledge and skills, and also may
involve hazards. These tasks must be performed only by persons who have enough ability and qualifications required by
local laws and regulations.
aDjUSTMEnT anD MaInTEnanCE by REMOvIng a COvER REqUIRE SPECIalIzED TEChnICal knOWlEDgE anD
SkIllS, anD May alSO InvOlvE hazaRDS If aTTEMPTED by an UnSkIllED PERSOn. fOR DETaIlED InfORMaTIOn,
PlEaSE COnTaCT yOUR DISTRIbUTOR WhERE yOU PURChaSED ThE PRODUCT.
Shut off all phases of power supply 3.
alWayS ShUT Off all PhaSES Of ThE POWER SUPPly ExTERnally bEfORE ClEanIng ThE RObOT anD COnTROllER
OR SECUREly TIghTEnIng ThE TERMInal SCREWS ETC. faIlURE TO DO ThIS May CaUSE ElECTRICal ShOCk OR
PRODUCT DaMagE OR MalfUnCTIOn.
Allow a waiting time after power is shut off (Allow time for temperature and voltage to drop) 4.
• when Performing maintenance or insPection of the robot controller unDer your Distributor's
InSTRUCTIOnS, WaIT aT lEaST 30 MInUTES fOR ThE RCx SERIES OR 5 MInUTES fOR ThE SR1 SERIES afTER TURnIng
ThE POWER Off. SOME COMPOnEnTS In ThE RObOT COnTROllER aRE vERy hOT OR STIll RETaIn a hIgh
vOlTagE ShORTly afTER OPERaTIOn, SO bURnS OR ElECTRICal ShOCk May OCCUR If ThOSE PaRTS aRE
TOUChED.
• the motor anD sPeeD reDuction gear casing are very hot shortly after oPeration, so burns may
OCCUR If ThEy aRE TOUChED. bEfORE TOUChIng ThOSE PaRTS fOR InSPECTIOnS OR SERvICIng, TURn Off ThE
COnTROllER, WaIT fOR a WhIlE anD ChECk ThaT ThE TEMPERaTURE haS COOlED.
Precautions during inspection of controller 5.
• when you neeD to touch the terminals or connectors on the outsiDe of the controller During
InSPECTIOn, alWayS fIRST TURn Off ThE COnTROllER POWER SWITCh anD alSO ThE POWER SOURCE In ORDER
TO PREvEnT POSSIblE ElECTRICal ShOCk.
• Do not Disassemble the controller. never touch any internal Parts of the controller. Doing so
May CaUSE bREakDOWn, MalfUnCTIOn, InjURy, OR fIRE.