Service Manual

GEARS
TheSystematicapproachtodening,diagnosingandsolvingproblems.
GatherInformation
•Informationreportedbythecustomer
•Informationobservedbyyou
G
•Establishthewhat,whereandwhenoftheissue
EvaluatePotentialCauses
•Considerpossiblecausesoftheproblemtodevelopahypothesis
E
•Narrowdownthefocusoftheproblem
AssessPerformance
•Ensureyouhaveallthenecessarytoolsfortesting
•T estallpotentialcausesofthefailure
A
•Reevaluateandcreatenewhypothesesifnecessary
Repair
R
•Returntheunittoservicebyrepairing,rebuildingorreplacing
SolutionConrmation
•Didtheissuegoaway
•Wastherootcauseoftheissuecorrectlyrepaired
S
•Arethereanyothernewsymptoms
Troubleshooting:GeneralTroubleshooting
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60vBatteryServiceManual
3439-480RevA