Troy-Bilt 836 series Operator's Manual page 11

the carburetorare up,
2, Removebolt, blade bell support,blade,and adapter
from the enginecrankshaft,Figure5=3,
NOTE:Whenremovingthe blade,adapter,etc,, be care=
ful notto removeor misplaceparts aboveit associated
with the engine pulley,
3, The bladecan be sharpenedwith a file or on a grind=
ing wheel Do notattemptto sharpenthe blade while
it is still on the mower,Whensharpeningblade,follow
originalangle of grind,Grind cuttingedgesequallyto
keepbladebalanced,
4, Removeblade fromthe adapterfor testingbalance,
Balancethe bladeon a roundshaftscrewdriver to
check, Removemetalfrom the heavyside untilit
balancesevenly,
WARNING:An unbalanced blade will
cause excessivevibration when rotating
at high speeds. It may cause damageto
mower, and could breakcausing personalinjury.
5, Lubricatetheenginecrankshaftand the inner surface
of the bladeadapterwith lightoil Slidethe blade
adapterontotheengine crankshaft.Placethe blade
on the adaptersuchthat theside of the blade marked
"Bottom"(or with part number)facesthe groundwhen
the moweris in the operatingposition,Makesurethat
bladeis alignedand seatedon bladeadapterflanges,
6, Placeblade bell supporton the blade,Align notches
on the bladebell support with smallholesin blade,
Replacehexbolt and tightenhex boltto torque: 450
in, Ibs,min,,600 in, Ibs,max,
Toensuresafe operationof yourmower,periodically
checkthe blade boltfor correcttorque,
Belt Care
1, Disconnectsparkplug wire andground against
engine,
2, Drainthe fuel tank or placea pieceof plasticbeneath
the cap to preventgasolineleakage,
3, Tip moweron its side (air cleanerside of engineup),
4, Removeblade,bladeadapter,and relatedhardware,
Figure5=3,
5, Loosenself=tapping screwthat securesdeck baffleto
the deck, Figure5=4,
6, Workingfrom the rearof the mower,carefullyremove
beltfrom transmissionpulley,
J
Figure 5-3:Remove t hebolt,support, blade, a ndadapter t o
access theblade andunderside c omponents.
j J/
Figure 5-4:Remove s crewholding baffle todeck.
f
/ ......... ;_:;_........... "
......... i ¸¸
Figure 5-5:Remove b eltfromtransmission thenengine.
7, Oncebelt is off transmissionpulley,pushdownon
deck baffleto access enginepulleyand slide belt off
this pulleyand out from underthe deck,Figure5=5,
8, Replacewith newbelt, workingit betweenthe deck
and baffle,firstaroundthe transmissionpulleyand
thenthe enginepulley,Tightenscrewloosened
earlierand replacebladeand hardware,
9, Tip mowerbackonto its wheelsand removepieceof
plasticfrom undergascap (ifapplicable),
11
WARNING ;
When removing
the cutting blade
for sharpening or
replacement or
when sliding the belt
around it, protect
your hands with a
pair of heavy gloves
or use a heavy rag to
hold the blade.
An unbalanced
blade will cause
excessive vibration
when rotating at high
speeds, it may cause
damage to mower and
could break causing
personaJ injury.
Make certain that bert
is seated correctly
and that it is riding
smoothJy on the en-
gine pulley and is
not pinched between
the lower and upper
pulley halves.