Operator`s manual

TITLE633GC / 633F4 OPERATOR’S MANUAL

DRIVE SPROCKET

The drive sprocket (rim sprocket) is a wear item and should be

replaced every 2-3 diamond chains.

IMPORTANT

The needle bearing inside the splined adapter should be greased

regularly and should be replaced with each new clutch cup.

IMPORTANT

Arimsprocketsystem(Figure1)consistsofaclutchcup

w/splinedadapterandarimsprocket.Whentherimsprocket

wears out, it is the only part that needs to be replaced. The clutch

cup with splined adapter is a wear item that needs replacement

after3to5rimsprocketshavebeenused.

• Inspecttherimsprocketforwear.Replacetherimsprocketif

the drive teeth become pointed.

• Checkthedrivesprocketbearingbyspinningclutchcup.

Replacethebearingifitiswornout.

• Theneedlebearingonthedriveshaftmustbegreased

regularly,usehighqualitywater-resistantbearinggrease.

Figure 1

Clutch

Cup

Splined

Adapter

Rim

Sprocket

DRIVE SPROCKET REMOVAL

• Removethesidecover,guidebar,diamondchain,andclutch

slurry shield.

• Removethesparkplugandinsertthepistonstop(supplied

witheachsaw)intothesparkplughole.Pullthestartercord

slowlyuntilthepistonstops.(Figure2)Usea19mmwrenchto

turntheclutchclockwiseandremove.

• Slidetheclutchcup/drivesprocketassemblyofftheshaft.

Removetheneedlebearingandinspectforheavywearor

damage.

Figure 2

MAINTENANCE