Maintenance
Figure12
1.Self-propeldrivebail3.T op/Bottomadjustment
nuts
2.Cable
AdjustingtheTransmission
DriveBeltTension
1.Stopengine,waitforallmovingpartstostop.
2.Disconnectthewirefromthesparkplug.
3.Loosenthenutsecuringtheidlerpulley(see
Figure13).
Figure13
1.Pumpdrivebelt3.Idlerpulleynut
2.Idlerpulley
4.Pushtheidlerpulleytothelefttotightenthebelt.
5.Tightentheidlerpulleynutandtorqueitto30
ft-lb(41N-m).
6.Pushonaspanofthedrivebeltwith20lb(9kg)
offorce,thebeltshouldnotexmorethan1/8
inch(3mm).
AdjustingtheTineDrive
Chain
1.Stopengine,waitforallmovingpartstostop.
2.Disconnectthewirefromthesparkplug.
3.Liftthefrontoftheunitandsupportusingjack
standsorequivalentsupport.
4.Checkthechainsonbothsidesoftheunitfor
propertension.Thechainsshouldbeableto
moveupanddown1/4inch(6mm)maximum.
5.Adjusttheidlersprocket.
6.Recheckthechaintensionandtightentheidler
bolt.
AdjustingtheCoringDepth
Acoringdepthof21/2inches(63.5mm)is
recommended,butyoucanchangethedepthas
follows:
1.Stopengine,waitforallmovingpartstostop.
2.Disconnectthewirefromthesparkplug.
3.Loosenthenutssecuringthewheelstoponthe
rightsideofthemachine(seeFigure14).
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