Snapper S50XBS2648 - Page 29

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Sharpening the Mower 8Jade
ACAUTION
Avoidinjury! Mower blades are sharp.
• Alwayswear gloves whenhandlingthe mower
blades.
• Alwayswear safetyeye protectionwhen grinding.
1. Sharpenthe mower blades with grinder, handfile, or
electric bladesharpener.
2. Sharpenthe mower blade by removing an equal amount
of material from each end of the mower blade.
3. Keepthe original bevel (A, Figure 29) when grinding. DO
NOTchangethe mower blade bevel.
4. The mower blade should have a maximum 1/64" (0,40
mm) cutting edge (B) or less.
5. Balancethe mower blades before installing.
®
Figure29. Sharpeningthe Mower Blade
A. Mower BladeBevel
B. Mower BladeCutting Edge
BaJancingthe Mower BJades
|CAUTION
Avoid injury! Keepmower bladesbalanced.
• An unbalancedmower bladecan create excessive
vibrationand damage the unit or causemowerbJade
faiJnre.
1. Cleanthe mower bladeto removeany dried grass or
other debris.
2. SeeFigure 30. Put the mower blade on a nail in a vise
andturn the mower bladeto the horizontal position.
3. Checkthe balanceof the mower blade. If either end of
the mower blademoves downward, sharpen the heavy
end until the mower blade is balanced. SeeSharpening
the Mower Bladesfor proper sharpening instructions.
4. Repeatthe process until the mower blade remains in the
horizontal position.
Reinstalling the Mower Blades
1. Reinstalleachmower blade with the air lifts pointing up
towards the mower deck as shown in Figure31.
36" IVlodeis:Makesure the bladeis firmly seated in the
bladesaddle. Secure with the mower blade mounting
bolt and flat washer (A & B, Figure31) and torque to 70
ft. ibs (94 Nm).
48" lVlodels:Securewith the mower blade mounting
bolt and flat washer (A & B, Figure31) and torque to 70
ft. Ibs (94 Nm).
2. If there are no fiats on the spindle shaft, wedge a
wooden block betweenthe mower blade andthe mower
deck housing to keepthe mower bladefrom turning.
Figure30. Balancingthe Mower Blade
A. Nail
\
\
Figure31. Tighteningthe Mower Blade for Installation
A. Mower Blade Mounting Bolt
B. Flat Washer
C. Mower BladeAir Lift (Points Up For Installation)
D. 4 X 4 Wooden Block
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