Craftsman 247.889330 10.5 Horse 33 Inch Wide Cut Lawn Mower Owners Manual

SERVICE AND MAINTENANCE
SeRviCinG  The CuTTinG  bLAdeS
WARninG
Be sure to shut the engine off and disconnect  the spark plug wire
and ground against the engine to prevent unintended starting  before
removing the cutting blade(s)  for sharpening or replacement. Protect
your hands by using heavy gloves or a rag to grasp the cutting blade.
Remove f ange nut to release blade
WARninG
Periodically inspect the blade spindles  for cracks or damage, espe-
cially if you strike a foreign object. Replace immediately  if damaged.
WARninG
Mower blades are sharp. When working near blades, wear heavy
leather gloves or wrap blades in thick rags to protect  yourself from
the sharp edges.
Use block of wood to stabilize blade.
Figure 20
blade Removal
1.
2.
3.
Remove the deck from beneath the mower and gently flip the
deck over to expose its underside. Refer to “Removing the  Mower
Deck” for instructions.
Place a 2x4 block of wood approximately 8.5” long between the
deck housing and the cutting blade to act  as a stabilizer,
Figure 20.
Remove the hex flange nut that secures the blade to the spindle
assembly, Figure 20.
blade Sharpening
IMPORTANT: If any metal separation is present, replace the blades
with new ones.
1.
To properly sharpen the cutting blades,  remove equal amounts
of metal from both ends of the blades along the cutting  edges,
parallel to the trailing edge, at a 25° to 30° angle, Figure 21.
a.     It is important that each cutting blade edge  be ground
equally to maintain proper blade balance. A poorly balanced
blade will cause excessive vibration and may cause damage
to the mower and result in personal injury. The blade can be
tested by balancing it on a round shaft screwdriver. Grind
metal from the heavy side until it balances evenly.
Figure 21
blade installation
1
.
When installing a blade, place the side of the blade  with a part
number stamped in it facing the ground when the mower is in  the
operating position.
2.
Use a torque wrench to tighten the spindle flange nut to between
70-90
foot-pounds.
1
Product Specification
CategoriesCraftsman Lawn Mower Manuals, Lawn Mower Manual
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- 64 pages
Document TypeOperator's Manual
LanguageEnglish
Product BrandCraftsman. Customer Service Representatives are available by phone: Canada 1-888-225-4886 USA 1-888-384-9939, Lawn Mower
Document File TypePDF
Publishercraftsman.com
Wikipedia's PageCraftsman (tools)
CopyrightAttribution Non-commercial
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