Craftsman CX series 247.374880 Operator's Manual page 108

2. Place ablockof woodbetweenthe center d eckhousing baffleandthe
cuttingbladeto actasastabilizer. S eeFigure 30.
3. Remove t he hexflangenut thatsecures t he bladeto the spindleassembly.
4. Toproperlysharpen the cutting blades, r emove equalamounts of metal
from bothendsofthe blades alongthe cuttingedges, p arallelto the trailing
edge,ata 25 °- to 30 ° angle. A lwaysgrindeachcuttingbladeedgeequallyto
maintainproperbladebalance. SeeFigure 31.
If the cutting edge of the bladehaspreviously beensharpened,or if any
metalseparationispresent,replacethe bladeswith newones.
A poorly balancedbladewill causeexcessive vibration,maydamageto the
mowerand/or result in personalinjury.
5.
Test t he blade's balance usingabladebalancer. G rindmetalfromthe heavy
enduntil the bladebalances e venly.
flOTE:When replacing the blade,besureto installthe bladewiththe sideof
the blademarked "Bottom" (orwith apart numberstamped init) facingthe
groundwhenthe mowerisinthe operatingposition.
Useatorque wrench to tighten the bladespindlehex flange nut to
between70Ibs-ft and90 Ibs-ft.
Thecutting bladesmustbe installedperpendicularto eachother. If the
bladescannot be installedperpendicularto eachother, the bladetiming
belt must be reset.SeeyourSearsor other qualified servicedealerto have
the decktiming belt reset.
TrailShield
Neveroperate the mowerwithout the trail shield in placeandworking.
Failureto do socan resultin personalinjury.
Toreplace the trail shield,proceed asfollows:
1. Remove t he screw whichsecures t he trail shieldto the rightsideof the
mower.SeeFigure 32.
2. Bowthe trail shieldinward on eachsideto release itfrom the mowerframe.
3. Installthe replacement trail shieldbyfollowingthe stepsabove inthe
opposite orderandmanner o f removal.
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Figure 30
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Figure31
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Figure 32