Service Manual

GEARS–TheSystematicApproachtoDening,
DiagnosingandSolvingProblems
GatherInformation
•Informationreportedbythecustomer
•Informationobservedbyyou
•Establishthewhat,whereandwhenoftheissue
EvaluatePotentialCauses
•Considerpossiblecausesoftheproblemtodevelopahypothesis
•Narrowdownthefocusoftheproblem
AssessPerformance
•Ensureyouhaveallthenecessarytoolsfortesting
•Testallpotentialcausesofthefailure
•Reevaluateandcreateanewhypothesisifnecessary
Repair
•Returntheunittoservicebyrepairing,rebuildingorreplacing
SolutionConrmation
•Didtheissuegoaway
•Wastherootcauseoftheissuecorrectlyrepaired
•Arethereanyothernewsymptoms
Troubleshooting:Page3–2
Groundsmaster
®
4000-D&4010-D
13202SLRevE