Operator's Manual

8.Loosenthejamnutundertherearsupportarmand
adjusttheadjustmentbolttogetameasurementof
3-1/8to3-1/4inches(80to83mm)(Figure77).
Note:Itisrecommendedthatbothsidesofthe
mowerareadjustedthesamedistance.
9.Tightenthejamnutundertherearsupportarm
andtightentheboltsecuringthechaintotherear
supportarm.
10.Adjusttheoppositesideifneeded.
AdjustingtheFront-to-RearMower
Pitch
1.Positiontherightbladefront-to-rear(Figure78).
Figure78
1.Measureherefromblade
tohardsurface
2.MeasureatAandB
2.MeasuretherightbladeattheAlocation,froma
levelsurfacetothecuttingedgeofthebladetip
(Figure78).
3.Recordthismeasurement.
4.MeasuretherightbladeattheBlocation,froma
levelsurfacetothecuttingedgeofthebladetip
(Figure78).
5.Recordthismeasurement.
6.Themowerbladeshouldbea1/4to3/8inch
(6to10mm)loweratpositionAthanatposition
B(Figure78).Ifitisnotcorrect,proceedtothe
followingsteps.
Note:Bothofthefrontswivelsneedtobeadjusted
thesameamounttomaintainequalchaintension.
7.Loosenthefrontswiveljamnuts,atthefrontof
therightandleftswivels,approximatelya1/2inch
(13mm)(Figure77).
8.Adjusttheliftnutsonboththeleftandtheright
sideofthemachinetoachieve1/4to3/8inch
(6to10mm)lowerinfrontatAthanintherearat
B(Figure77).
9.Tightenbothswiveljamnutsagainstthefrontswivel
tolocktheheight.
10.Checktomakesurethereisequaltensiononthe
chainsandadjustagainifneeded.
AdjustingtheCompressionSpring
1.Raisethemowerliftlevertothetransportposition.
2.Checkthedistancebetweenthetwolargewashers,
itneedstobe10-1/2inches(26.7cm)for60inch
mowerdecksor11–1/2inches(29.2cm)for72inch
mowerdecks(Figure79).
3.Adjustthisdistance,bylooseningthespringjam
nutandturningthenutinfrontofeachspring
(Figure79).Turningthenutclockwisewillshorten
thespring;counter-clockwisewilllengthenthe
spring.
4.Lockthenutintopositionbytighteningthespring
jamnut(Figure79).
Figure79
1.10-1/2inch(26.7cm)
betweenthelargewashers
for60inchmowerdecks
6.Liftnut
2.Frontnut7.Frontsupportarm
3.Springjamnut
8.Largewasher
4.Frontswivel
9.11–1/2inch(29.2cm)
betweenthelargewashers
for72inchmowerdecks
5.Swiveljamnut
55