Toro 74311TE - Aligning the Pump-Drive Pulley

disengagetheblade-controlswitch(PTO),and
engagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Removethefuel-tankmountingnutsandswing
outthefueltank.
4.Verifythattheblowerisinstalledandtightly
secured.
5.Loosenthe4enginemountingbolts.
6.Unhookthepump-belttensionspring.
7.Loosenthe4jackshaftmountingbolts.
8.Measuringfromtheblowerpulleyasabaseline,
movetheengineandjackshaftuntiltherear
surfaceofall3pulleysarealignedwithin0.8to
1.6mm(1/32inchto1/16inch)(Figure67).
Note:Useastraightedgetoalignall3surfaces.
g006846
Figure67
1.Alignthe3pump-drive
pulleysurfacesshown
withthispatternwithin0.8
to1.6mm(1/32inchto
1/16inch).
2.Alignthe3PTO-drive
pulleysurfacesshown
withthispatternwithin0.8
to1.6mm(1/32inchto
1/16inch).
9.Tightenthe4enginemountingboltsand4
jackshaftmountingbolts.Checkthealignment
aftertightening.
10.Installthepump-belttensionspring.
11.Swingthefueltankinandinstallthetank
mountingnuts.
12.Alignthepump-drivepulley;Aligningthe
Pump-DrivePulley(page53).
AligningthePump-Drive
Pulley
Thepump-drive-pulleyalignmentisnecessaryforany
ofthefollowingconditions:
•Theenginemountingboltshavebeenloosenedor
theenginehasbeenmovedorreplaced.
•Thepumppulleyshavebeenloosened,moved,
orreplaced.
•ThePTOpulleyhasbeenaligned;refertoAligning
thePTO-DrivePulley(page52).
1.Parkthemachineonalevelsurface,movethe
speed-controllevertotheNEUTRALposition,
disengagetheblade-controlswitch(PTO),and
engagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Loosenthesetscrewsonbothpumppulleys.
4.Usingastraightedge,aligneachpumppulley
withtheenginepulleybyslidingitalongthe
pumpshaft(Figure67).
5.Tightenthepulleysetscrewsandcheckthe
alignment.
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