Operator's Manual

GrinderMaintenance

ReplacingtheTeeth

ServiceInterval:Beforeeachuseordaily—Checkthe

conditionoftheteeth;rotateorreplace

anythatarewornordamagedandtorque

thenutsforallteeth.

Duetothehighamountofwearplacedontheteeth,youneed

torotateandreplacethemperiodically(Figure20).Before

yourotateorreplacethem,inspecteachtoothholderonthe

wheel,includingtheatlandsthatpreventtheteethfrom

rotating.Ifthetoothholderisdamaged,replacethewheel.

Torquethenuts68N∙m(50ft-lb)foranyteeththatyouare

notrotatingorreplacing.

Figure20

1.Sharptooth

2.Worntooth

Eachtoothisindexedwith3positionssoyoucanrotate

ittwice,exposinganewsharpedgebeforereplacingthe

tooth.Torotateatooth,loosenthenutsecuringthetooth

(Figure21).Pushthetoothforwardandrotateit1/3ofa

turn,bringinganunusededgetotheoutside.Torquethenut

securingthetoothto68N∙m(50ft-lb).

Toreplaceatooth,removethenutsecuringthetooth,then

installanewtooth,washer,andnutinthesameposition

(Figure21).Torquethenutsecuringthetoothto68N∙m

(50ft-lb).

Figure21

1.Tooth4.Nut

2.Toothholder5.Flatland

3.Washer