Toro 138-3121, 138-3125 Installation Instructions
FormNo.3422-238RevA
BeltKit
SGR-6StumpGrinder
ModelNo.138-3121
ModelNo.138-3125
InstallationInstructions
Safety
WARNING
CALIFORNIA
Proposition65Warning
ThisproductcontainsachemicalorchemicalsknowntotheStateofCalifornia
tocausecancer,birthdefects,orreproductiveharm.
SafetyandInstructionalDecals
Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyarea
ofpotentialdanger.Replaceanydecalthatisdamagedormissing.
117-4979
1.Rotatingbelt—keepguardinplace.
decal117-4979
decal119-4692
119-4692
1.Warning—shutofftheengine;usebothhandholdstolift
thegrinder.
©2018—TheT oro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
Registeratwww.T oro.com.
OriginalInstructions(EN)
PrintedintheUSA
AllRightsReserved
*3422-238*A
Installation
LooseParts
Usethechartbelowtoverifythatallpartshavebeenshipped.
ProcedureDescription
1
2
3
4
Nopartsrequired
Nopartsrequired
WheelT oothKit1
Cutterwheel
Bearingassembly2
Bolt(3/8x1-1/2inches)
Washer(0.40x0.81x0.11inches)
Locknut(3/8inch)
Guardplate
Flangebolt(5/16x3/4inch)
Carriagebolt(5/16x3/4inch)
Locknut(5/16inch)
Frontpulley1
Squarekey
Washer(0.27x0.89x0.09inches)
Bolt(1/4x3/4inch)
Clutchpulley
Washer(0.76x1.26x0.07inches)
Washer(0.32x1.12x0.18inches)
Washer(0.31x0.78x0.07inches)
Bolt(5/16x1-1/8inch)
Belt1
Beltguard1
Bolt(3/8x1inch)
Washer(0.38x0.75x0.08inches)
Qty.
Use
–
–
1
4
8
4
1
2
1
3
1
1
1
1
2
1
1
1
2
2
Preparethemachine.
Removetheexistingbeltandcutter
wheel.
Installthewheelteeth.
Installthecutterwheelandbelt.
5
Decal1
2
Installthedecal(Model138-3125only).
1
PreparingtheMachine
NoPartsRequired
Procedure
1.Parkthemachineonalevelsurface.
2.Engagetheparkingbrake.
3.Shutofftheengine.
4.Disconnectthesparkplugwirefromthespark
plug.
2
2.Loosen,orremoveandretain,the4carriage
bolts,4washers,and4locknutssecuringthe
enginetotheframe(Figure2).
g238897
Figure2
Frontfastenersshown
RemovingtheExistingBelt andCutterWheel
NoPartsRequired
Procedure
Note:Discardallremovedpartsunlessindicated
otherwise.
1.Removethe2bolts,2washers,andbeltguard
(Figure1).
1.Jamnut3.Washer—0.38x0.73x
0.07inches(4)
2.Locknut—5/16inch(4)4.Carriagebolt—5/16x
1-1/2inches(4)
3.Loosenthejamnutonthetensionerbolt(Figure
2).
4.Removethebelt(Figure1).
5.Removetheclutchpulley(Figure3).
1.Beltguard
2.Washer—0.38x0.75x
0.08inches(2)
Figure1
3.Bolt—3/8x1inch(2)
4.Belt
g238742
Figure3
1.Clutchpulley4.Washer(0.31x0.75x0.08
g238745
2.Washer(0.81x2.00x0.15
inches)
3.Washer(0.39x1.25x0.12
inches)
3
inches)
5.Bolt(5/16x3/4inch)
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