Sears 502.25502 - Manual (Page 19)

MAINTENANCE
INSPECT BLADE
WARWiîMG: Bsfcre you inspect cr remove the
A
blade, disconnect the wire to the spark plug. If
the blade hits an object, stop the engine Check
the unit for damage. The blade has sharp edges.
When you hold the blade, use gloves or cloth
materia! to protect your hands
If you keep the blade sharp and inspect the blade for damage, the
blade '..vill cut better and be more safe to operate Frequently check
the blade for excessive wear, cracks, or other damage. Frequently
check the nut that holds the blade Keep the nut tight If the blade
hits an cbjsct. stop the engine Disconnect the v.'irs to the spark
plug Sea if the blade is bent or damaged. Check the blade adapter
for dam.age Before you operate the unit, replace damaged parts
with an original equipment part See the authorised service dealer
in your area. Every three years, have an authorized service person
inspect the blade or replace the old blade '.vith an original
equipment part
HOW TO REMOVE AND INSTALL THE BLADE
1 Remove the mower housing See the instructions on "How
To Remove The Mower Housing"
2 Use a piece of '.vood to keep the blade from rotating
3 Remove the nut that holds the blade.
4
Check the blade and the blade adapter according to the
instructions for "Inspect Blade" Replace a badly 'worn or
damaged blade with an original equipment blade See an
authorized service dealer in ycur area
5. Clean the top and bottom of the mower housing. Remove all
the grass and debris
6. Mount the blade and blade adapter on the mandrel as shown.
7. Mount the blade so that the hi-lift edges are up as shown. If
the blade is upside down, the blade will not cut correctly and
can causa an accident.
Fasten the blade with the original washers and nut Make
sure the outside rim of the Belleville washer is against the
blade as shown
Tighten the nut that holds the blade to a torque of 30 foot
pounds (41.5M-m)
10, Install the mower housing See "How To Instaii The
Mo'-vsr Housing".
A
WARNÜMG; Always keep the nuttightthat holds
the blade. A loose nut or blade can cause an
accident.
HOVAy TO SHARPEN THE BLADE
A
WARNING: Vibration can be caused if the blade
is not correctly balanced or if the blade is
damaged, A blade that is damaged with cracks
can break and cause an accident
Keep 3 sharp edge on the blade A blade that is not sharp will cause
the tips of the grass to become brown
1 Sharpen the blade two times a year cr even/ 25 hours
2 Remove the blade according to the instructions in "How To
Remove And Install The Blade"
3. Clean the blade with a brush, soap and water. Check the
blade Look for cracks, nicks, or other damage Replace a
badly worn or damaged blade with an original equipment
blade. See an authorized sen./ice dealer in your area
4 Sharpen the blade with a file Make sure you keep the original
bevel angle.
5 Make sure the blade is balanced Use a screwdriver and hold
the blade parallel to the ground as shown. A blade that is
balanced will stay parallel to the ground If the blade is not
balanced, the heav"/ end will rotate toward the ground. Sharpen
the heavy end until the blade is balanced
6 A new blade will cut better than a badly worn blade Every
three years, have an authorized service person inspect the
blade or replace the old blade with an original equipment
blade.
7 Assemble the blade according to the instructiorss "How To
Remove And Install The Blade"
F-92533
8
9