Toro 74269 - Mower Pitch and Spring Adjustment; Adjusting Front-to-Rear Mower Pitch; Adjusting the Compression Spring

2.MeasuretherightbladeattheBlocation,froma
levelsurfacetothecuttingedgeofthebladetip
(Figure81).
3.Recordthismeasurement.Thismeasurementneeds
tobe3-1/8to3-1/4inches.
4.Positiontheleftbladeside-to-side(
Figure81).
5.MeasuretheleftbladeattheClocation(Figure81),
fromalevelsurfacetothecuttingedgeoftheblade
tip.
6.Recordthismeasurement.Thismeasurementneeds
tobe3-1/8to3-1/4inches(80to83mm).
7.IfthemeasurementsatpositionsBorCarenot
correct,loosentheboltattachingtherearchainto
therearsupportarm(Figure82).
Figure82
1.Rearchain5.Adjustmentbolt
2.Rearsupportarm6.Frontswivel
3.Bolt7.Frontsupportarm
4.JamNut
8.Loosenthejamnutundertherearsupportarmand
adjusttheadjustmentbolttogetameasurementof
3-1/8to3-1/4inches(80to83mm)(
Figure82).
Note:Itisrecommendedthatbothsidesofthe
mowerareadjustedthesamedistance.
9.Tightenthejamnutundertherearsupportarm
andtightentheboltsecuringthechaintotherear
supportarm.
10.Adjusttheoppositesideifneeded.
AdjustingtheFront-to-RearMower
Pitch
1.Positiontherightbladefront-to-rear(Figure83).
2.MeasuretherightbladeattheAlocation,froma
levelsurfacetothecuttingedgeofthebladetip
(
Figure83).
Figure83
1.Measureherefromblade
tohardsurface
2.MeasureatAandB
3.Recordthismeasurement.
4.MeasuretherightbladeattheBlocation,froma
levelsurfacetothecuttingedgeofthebladetip
(
Figure83).
5.Recordthismeasurement.
6.Themowerbladeshouldbea1/4to3/8inch
(6to10mm)loweratpositionAthanatposition
B(Figure83).Ifitisnotcorrect,proceedtothe
followingsteps.
Note:Bothofthefrontswivelsneedtobeadjusted
thesameamounttomaintainequalchaintension.
7.Loosenthefrontswiveljamnuts,atthefrontof
therightandleftswivels,approximatelya1/2inch
(13mm)(Figure82).
8.Adjusttheliftnutsonboththeleftandtheright
sideofthemachinetoachieve1/4to3/8inch
(6to10mm)lowerinfrontatAthanintherearat
B(
Figure82).
9.Tightenbothswiveljamnutsagainstthefrontswivel
tolocktheheight.
10.Checktomakesurethereisequaltensiononthe
chainsandadjustagainifneeded.
AdjustingtheCompressionSpring
1.Raisethemowerliftlevertothetransportposition.
2.Checkthedistancebetweenthetwolargewashers,
itneedstobe10-1/2inches(26.7cm)for60inch
mowerdecksor11–1/2inches(29.2cm)for72inch
mowerdecks(
Figure84).
3.Adjustthisdistance,bylooseningthespringjam
nutandturningthenutinfrontofeachspring
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