Operator's Manual
G019976
1
2
3
Figure70
1.Enginedeck
3.Clutchairgap:6.35to
9.52mm(1/4to3/8inch)
2.Clutchroller
3.Ifthemeasuredairgapisnotwithinthespecied
range,adjustthegapasfollows:
A.MovetheclutchlevertotheOffposition;referto
ControllingthePaddles(page22).
B.Loosenthenutsandboltsthatsecuretheengine
totheenginedeck(Figure71).
4
3
4
3
1
2
3
G020006
Figure71
1.Idlerpulley3.Nutandbolt
2.Setscrew
4.Enginedeck
C.Movetheenginepositionasfollows:
•Increasetheairgap—movetheengine
awayfromtheidlerpulley(
Figure71).
•Decreasetheairgap—movetheengine
towardtheidlerpulley(Figure71).
D.Alignastraightedgeacrosstheenginepulleyand
theidlerpulley(Figure72).
G020009
1 2
3
4
5
6 7 8
Figure72
1.Enginepulley
5.Idlershaft
2.Idlerpulley6.Jamnut
3.Reductioncase(engine)7.Setscrew
4.Beltguide
8.Straightedge
E.Ifneeded,pivottheengineontheenginedeck
untiltheenginepulleyandtheidlerpulleyare
alignedtothestraightedge(Figure72).
F.Tightenthenutsandboltsthatsecuretheengine
totheenginedecktoatorqueof18N-m(13
ft-lb).
G.Checktheairgapbetweentheenginedeckand
therollerontheclutch.Iftheairgapisnotwithin
thespeciedrange,repeatstep3untiltheairgap
measurementiswithinthespeciedrange.
H.Installthedividerplate;refertoInstallingthe
DividerPlate(page28).
Replacingthe
Belts—Belt-driveModels
ServiceInterval:Every2years—Replacethebelts.
Models68013C,68014C,68016C,68017C,68020C,and
68021Conly
RemovingtheBelts
1.MovetheclutchlevertotheOffposition;referto
ControllingthePaddles(page22).
2.Removethedividerplate;referto
Removingthe
DividerPlate(page28).
3.Removetheboltthatsecuresthebeltguidetothe
engine,andremovethebeltguide(Figure73).
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