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11
12. If the blades do come into contact with something or the
mower starts to vibrate stop the engine immediately,
remove the spark plug lead and inspect to see if there
is any damage.
Emptying the grass catcher
Note.
Before making any adjustment or maintenance
procedures to the mower ensure it is turned off and the
spark plug lead is removed.
To remove the catcher, raise the guard while lifting the
catcher to dislodge it from the hooks.
WARNING.
Check the catcher frequently for cracks and
wear and replace it if damaged.
Do not leave clippings in the catcher for extended periods.
Replacing the blades
Note.
Before making any adjustment or maintenance
procedures to the mower ensure it is turned off and the
spark plug lead is removed.
Note.
Wear heavy gloves to protect your hands.
1. Tilt the mower back so the spark plug is facing up.
2. Remove the blade disc with a spanner to remove the
central blade bolt first.
3. Remove all 4 single blades including the washer
and nuts.
4. Clean 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.
Maintenance
For all maintenance information refer to the Briggs &
Stratton instruction manual.