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GeneralRecommendations
1. The owner's responsibility is to maintain this product.
This will extend the life of the product and is also
necessaryto maintain warranty coverage.
2. Checkthe spark plug, drive brake, lubricate the unit,
and clean the air filter once a year.
3. Checkthe fasteners. Make sure all fasteners are tight.
4. Follow the Maintenancesection to keepthe unit in good
operating condition.
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WARNING: Before you make an inspection,
adjustment, or repair to the unit, disconnect the wire
to the spark plug. Remove the wire from the spark
plug to prevent the engine from starting by accident.
NOTE:Torque is measured in foot pounds (metric Nm). This
measurement describes how tight a nut or bolt must be. The
torque is measured with a torque wrench.
Inspection
How to Checkthe Muffler
Checkthe muffler every 50 hours. Make sure the muffler is
correctly mounted and is not loose. If the muffler is worn or
burnt, replacewith a new muffler. A worn muffler is a fire
hazard and can also damagethe engine.
If you mount a spark arrester to the muffler, also check the
spark arrester when you check the muffler. If the spark
arrester is worn or damaged, replace it with a new spark
arrester. See your nearest authorized service center for a
spark arrester.
Inspect Blade
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ARNING:Beforeyou inspect or removethe blade,
disconnectthe wire to the spark plug. If the blade hits
an object,stop the engine.Checkthe unit for damage.
The blade hassharp edges.Whenyou hold the blade,
usegloves or cloth materialto protect your hands.
If you keepthe blade sharp and inspect the blade for
damage, the blade will cut better and be more safe to
operate. Frequentlycheck the blade for excessivewear,
cracks, or other damage. Frequentlycheck the nut that holds
the blade. Keepthe nut tight. If the blade hits an object, stop
the engine. Disconnect the wire to the spark plug. See if the
blade is bent or damaged. Checkthe blade adapter for
damage. Beforeyou operate the unit, replacedamaged parts
with original equipment parts. See the authorized service
center in your area. Every three years, have an authorized
service person inspect the blade or replacethe old blade with
an original equipment part.
How to Remove and Install the Blade
1. Remove the mower housing. See the instructions on
"How To RemoveThe Mower Housing".
2. Use a piece of wood to keepthe blade from rotating.
3. Remove the nut that holds the blade (Figure 19).
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Figure 19: Removing the blades
A - Hi-lift edge up
B - Blade
C - Befleville washer
D - Nut
E- Washer
F - Blade adapter
G - Mandrel
4. Checkthe blade and the blade adapter according to the
instructions for "Inspect Blade". Replacea badly worn
or damaged blade with an original equipment blade.
See an authorized service center in your area.
5. Cleanthe top and bottom of the mower housing.
Remove all the grass and debris.
6. Mount the blade and blade adapter on the mandrel
(Figure 19).
7. Mount the blade so that the hi-lift edges are up. If the
blade is upside down, the blade will not cut correctly
and can cause an accident.
8. Fastenthe blade with the original washers and nut.
Make sure the outside rim of the Belleville washer is
against the blade (Figure 20).
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WARNING:Always keep the nut tight that holds the
blade. A loose nut or blade can cause an accident.
9. Tighten the nut that holds the blade to a torque of 35
foot pounds (47,5 N-m).
w.
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