Figure91
1.Height-of-cutchain
3.Hairpincotter
2.Clevispin
5.Starttheengine,slowlyraisethefrontmowerdeck,
shutofftheengine,andremovetheignitionkey.
6.Wedgeablockofwoodbetweentherearofthedeck
andthemachine(Figure92).
Figure92
1.Blockofwood
Pivoting(Tilting)theFront
MowerDeckDown
1.Withthehelpofanotherpersonholdingthefrontof
themowerdeck,removetheblockofwood.
2.Sitontheseat,starttheengine,andlowerthemower
deckuntilitisslightlyofftheoor.
3.Securetheheight-of-cutchainstotherearofthe
mowerdeck.
4.Connectthedamperassemblyandsecureitwiththe
retainerclip.
AdjustingtheMower-Deck
Pitch
MeasuringtheMower-DeckPitch
Themower-deckpitchisthedifferencebetweenthe
height-of-cutfromthefrontofthebladeplanetothatofthe
backofthebladeplane.Setabladepitchof7.5mm(0.3
inch);i.e.,thebackofthebladeplaneshouldbe7.5mm(0.3
inch)higherthanthefrontofthebladeplane.
1.Positionthemachineonalevelsurfaceontheoor.
2.Setthemowerdecktothedesiredheightofcut.
3.Ensurethatthewingletsareleveltothefrontdeckand
thefrontdeckislevelsidetoside.
AdjustingtheFront-Mower-DeckPitch
1.Rotatethe2outer,frontbladesandthewingletblades,
sothattheypointstraightforward(Figure93).
Figure93
1.Use1ofthesebladesfor
measuringthefront-blade
height.
2.Use1ofthesebladesfor
measuringtherear-blade
height.
2.Usingashortruler,measurefromtheoortothefront
tipofthefrontbladeandrecordthisdimension.
3.Measurefromtheoortothebacktipofthewinglet
bladeandrecordthisdimension.
4.Subtractthefrontdimensionfromthereardimension
tocalculatethebladepitch.
5.Loosenthejamnutsonthetoporbottomofthe
height-of-cutchainU-bolt(Figure94).
Note:Loosenortightentheheight-of-cutchainnuts
equallysothatthedeckremainslevelfromsidetoside.
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