Toro Greensmaster TriFlex 3400 - Page 97

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Figure61
1.Alternator2.Temperaturesender
3.UnplugmainharnessconnectorP02fromthecoolanttemperaturesender.
4.InspectharnessconnectorP02andthetemperaturesenderconnectorforthefollowing:
•damage
•corrosion
•debris
•properalignmentandseatingofthepinsinsidetheconnectors
PassThewiringinspectioncheckpassed.
•LeaveconnectorP02unpluggedfromthetemperaturesender.
•GotoStep3.
Fail
Oneormoreoftheinspectionchecksfailed.Repairorreplacethewornordamagedparts.Goto
ReturningtheMachinetoService(page21)andfollowthestepslisted.
Step3:Testthecoolanttemperaturesender.
1.MeasuretheresistanceacrossthepinsofthetemperaturesenderfollowingtheprocedureinChapter6of
theGreensmasterTriFlex3320/3420ServiceManual.
2.Wait10minutestoallowtheenginetocoolandthenmeasuretheresistanceacrossthepinsofthe
temperaturesenderagain.Astheenginecools,theresistanceacrossthepinsofthetemperaturesender
shouldincrease.Thefollowingtableshowssampledataacrossawiderangeoftemperatures.
Temperature
TemperatureSenderResistance
20°C(68°F)
11.4to13.6kohms
30°C(86°F)
7.4to8.75kohms
40°C(104°F)
4.9to5.75kohms
60°C(140°F)
2.3to2.6kohms
95°C(200°F)
740to830ohms
105°C(220°F)
560to630ohms
115°C(240°F)
420to470ohms
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