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3. Remove all 4 single blades
including the washer and nuts.
4. Clean the dirt and grass
from around the blade
mounting area.
5. Replace all 4 blades to
ensure a smooth even cut.
By replacing the washer, then
the half washer, then the nut
securing the blade firmly,
(25 – 30Nm) repeat this for
the other 3 blades.
6. Replace the blade disc and
retighten the central blade bolt
tightly (50 – 59Nm).
Note. Use a wooden block to
stop the blade from turning. The
4 blades should be tightened fully but check to ensure they
can still swing back if they were to hit a solid object.
Where required tighten the bolts with a torque wrench,
the centre disc blade bolt torque: 50 – 59Nm and the four
blades torque: 25 – 30Nm.
If you do not have a torque wrench ask a mower service
dealer to tighten the blade bolts before you use the mower.
WARNING. If the blade bolts are not tightened correctly
they could loosen and/or come out and it would be possible
for the blades to fly off while you are operating the mower.
7. Return the mower to the upright position.
8. Start the engine and allow the mower to run for a few
minutes to check that the blade is properly fitted and that
there is no undue noise or vibration. Use only the blade
as recommended by the manufacturer.