Toro SGR-13 - Grinder Maintenance; Replacing the Teeth

GrinderMaintenance
ReplacingtheTeeth
ServiceInterval:Beforeeachuseordaily—Check
theconditionoftheteeth;rotate
orreplaceanythatarewornor
damagedandtorquethenutsforall
teeth.
Duetothehighamountofwearplacedontheteeth,
youneedtorotateandreplacethemperiodically
(Figure28).Beforeyourotateorreplacethem,
inspecteachtoothholderonthewheel,includingthe
atlandsthatpreventtheteethfromrotating.Ifthe
toothholderisdamaged,replacethewheel.Torque
thenuts68N∙m(50ft-lb)foranyteeththatyouare
notrotatingorreplacing.
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Figure28
1.Sharptooth
2.Worntooth
Eachtoothisindexedwith3positionssoyoucan
rotateittwice,exposinganewsharpedgebefore
replacingthetooth.T orotateatooth,loosenthenut
securingthetooth(Figure29).Pushthetoothforward
androtateit1/3ofaturn,bringinganunusededgeto
theoutside.T orquethenutsecuringthetoothto68
N∙m(50ft-lb).
Toreplaceatooth,removethenutsecuringthetooth,
theninstallanewtooth,washer,andnutinthesame
position(Figure29).T orquethenutsecuringthetooth
to68N∙m(50ft-lb).
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Figure29
1.Tooth4.Nut
2.Toothholder5.Flatland
3.Washer
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