Toro Z Master 4000 Series - Page 26

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
Page3–2
4000SeriesZMASTER®ServiceManual
3442-427RevA