Snapper 355Z Series

SharpeningtheMowerBlade
ACAUTION
Avoidinjury! Mower bladesare sharp.
• Alwayswear gloveswhen handlingthemower
blades.
• Alwayswear safety eye protectionwhengrinding.
1. Sharpenthe mower bladeswith grinder, hand file, or
electric blade sharpener.
2. Sharpenthe mower blade by removing an equal amount
of material from eachend of the mower blade.
3. Keepthe original bevel (A,Figure 28) when grinding. DO
NOTchangethe mower bladebevel.
4. The mower blade should havea maximum 1/64" (0,40
mm) cutting edge (B) or less.
5. Balancethe mower bladesbefore installing.
BalancingtheMower Blades
,ACAUTION
Avoidinjury! Keep mowerbladesbalanced.
• An unbalancedmowerblade can create excessive
vibrationanddamagethe unitor cause mowerblade
failure.
1. Cleanthe mower bladeto remove anydried grass or
other debris.
2. SeeFigure29. Put the mower blade on a nail in a vise
and turn the mower bladeto the horizontal position.
3. Checkthe balanceof the mower blade. If either end of
the mower blade movesdownward, sharpenthe heavy
end until the mower bladeis balanced. SeeSharpening
the Mower Bladesfor proper sharpeninginstructions.
4. Repeatthe process until the mower blade remains in the
horizontal position.
ReinstallingtheMower Blades
, WARNING
Foryourpersonalsafety,eachmowerblade mounting
boltmustbeinstalledwith a hex/splinewasherand
springwasher,then securelytightened.Torquemower
blade mountingboltto45-55 ft. Ibs. (61-75 Nm).
1. Reinstalleach mower blade with the air lifts pointing up
towards the mower deck asshown in Figure30. Wedge
a wooden block betweenthe mower blade andthe
mower deck housing, and secure the mower bladewith
the mower blade mounting bolt, spring washer and
spline washer (A, B & E, Figure30) andtorque to 45-55
ft. Ibs. (61-75 Nm).
!
®
Figure28, Sharpeningthe Mower Blade
A, Mower BladeBevel
B. Mower Blade CuttingEdge
Figure29, Balancingthe Mower Blade
A. Nail
Figure30. Tightening theMower Bladefor Installation
A, Mower BladeMounting Bolt
B. Spring Washer
C. Mower BladeAir Lift (Instafl With Points Up)
D, 4 X 4 WoodenBlock
E. Spline Washer
¢"D
29