Toro 1P65F-2 - Cylinder Head Valve Seat Inspection

CylinderHeadCleaningInspection(continued)
Figure138
1.SparkPlugThreads
4.ExhaustPort
2.ValveSeats5.CoolantFins
3.IntakePort
4.Inspectthecylinderheadforwarpageusingastraightedgeandfeelergauge.
Measureandcomparetospecications:
ServiceLimit:0.002in.
5.Inspecttheintakeandexhaustportsmountingsurfaceforwarpage.
CylinderHeadValveSeatInspection
1.Thoroughlycleanthecylinderheadtoremovecarbondeposits.
2.Inspectthevalveseatsforlooseseat,propervalvefacecontact,andproper
seatwidth.
Standard:0.028–0.030in.
ServiceLimit:0.040in.
Figure139
3.Repeattheinspectionforallvalvesandseats.
1P65F-2ServiceManual
Page7–17
CompressionSystem:ServiceandRepairs
3429-270RevA