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Blade Sharpening
iMPORTANT:If any metal separationis present,replacethe blades
withnewones.
Toproperlysharpenthe cuttingblades,removeequal amountsof
metalfrombothends of the bladesalongthecuttingedges,parallelto
the trailingedge,at a 250to 300angle, Figure21.
J
Figure21
It is importantthateachcuttingbladeedge begroundequallyto
maintainproper bladebalance.A poorlybalancedblade willcause
excessivevibrationandmaycause damageto the mowerand result
in personalinjury.Thebladecan betestedbybalancingit on a round
shaftscrewdriver.Grindmetalfrom the heavyside untilit balances
evenly.
Blade Installation
1. Wheninstallinga blade,placethe sideof the bladewitha part
numberstampedin it facingthegroundwhenthe moweris in the
operatingposition.
2. Use a torquewrenchto tightenthe spindleflangenutto between
70-90foot-pounds.
REPLACING BELTS
Beforeperforminganytypeof maintenanceonthemachine,waitfor
allpartsto stopmovinganddisconnectthe sparkplugwire. Failureto
followthisinstructioncouldresultinpersonalinjuryorpropertydamage
Avoidthe possibilityof a pinchinginjury. Donot placeyourfingers
betweenbeltsand pulleys.
The mowerusesthreebelts: 1)drivebelt,2) deck engagementbelt,3)
bladetimingbelt. Beforereplacinga belt,observehowthebeltis routed
aroundthe pulleysandbracketsto helpwheninstallinga replacement.
IMPORTANT:The beltson the mowerare speciallydesignedto
engageanddisengagesafely.Fora properworkingmachine,use
factoryapprovedbelts.
Replacing the Drive Belt
1. Stopengine,wait forall parts to stop moving,and disconnect
sparkplugwire.
Releaseall mowercontrols..
3.
4.
Removebelt coveras instructedearlier in this section.
Loosenbeltkeeper(A).The belt keeperis attachedto the
undersideof the mowerframe,Figure22.
Figure22
5. Loosenthe idler pulley(B) by looseningboltand nut, Figure22.
6. Removebelt (C) fromaround pulleys,Figure22.
7. Routenewbeltaroundthe pulleysmakingsureto tighten nuts,
bolts,and beltkeeper.
8. Replacethe beltcover.
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