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Maintenance Instructions REPLACING/REPAIRING
Mower Blades
Mower blades are removed and remounted as de-
scribed in Sharpen Mower Blades instructions.
During the course of sharpening and inspecting
mower blades, if there are any of the following
conditions of wear or damage, blades should be
replaced for reasons of safety and performance of
the machine:
• An excessive amount of the at section of the
blade has been ground away (removed) when the
blade is sharpened. Replace the blade when less
than a 3/4 in. (19 mm) at section remains at the
blade tip.
• Examine ends of the blade carefully, especially
the intersection where the at section of the blade
turns up to form the “wing tip” (refer to Mower Blade
Prole for Sharpening illustration in Sharpen
Mower Blades instructions). Since sand and abra-
sive material can wear metal away in this area, the
blade should be replaced when metal thickness
has worn to 1/16 in. (1.6 mm) or less.
DANGER
When blades are operated over sandy
soil, and if blades are allowed to wear, a
“slot” may be worn into the wing tip of
blade. Eventually a piece of the blade
may break off creating a serious potential
for injury or damage.
• Check the blades for straightness by marking
blade tip position inside the deck housing and then
rotating the opposite end of the blade to the same
position and comparing. If the difference in blade tip
track is more than 1/8 in. (3 mm), the blade is bent
and should be replaced.
• Inspect the blade surface, especially in formed
areas, for cracks. Replace the blade if any cracks
are found.
WARNING
DO NOT try to straighten a blade that is
bent. NEVER weld a broken or cracked
blade. ALWAYS replace with a new blade
to assure safety.
Reinstall the blades following procedure in CHECK-
ING/SERVICING for Sharpen Mower Blades in-
structions. If blades are replaced, always use Walk-
er original equipment blades to ensure safety and
optimum performance. The quality and performance
of replacement blades offered by other manufac-
turers cannot be guaranteed, they could be dan-
gerous.
CAUTION
ALWAYS use genuine factory replace-
ment parts. Substitute parts CAN result
in product malfunction and possible in-
jury to the operator.