NAX 3001S Mode D'emploi Original page 44

MULCHING FUNCTION
Mulching is a care procedure involving the fragmentation of cut grass. The mulching system allows it to be left completely or partially on
the soil, where it decomposes and provides nutrients.
The lawn meets the mulching conditions when the grass is no more than 4 cm. The lawn on which mulching will be carried out must be
mowed regularly and quite often - even every few days. During mulching, only young and delicate blades can be left on the surface, without
damaging the lawn, as they break down and do not rot.
To start the grinding function, remove the grass catcher and remove the side ejection cover (if fitted), mount the grass grinding attachment
/plug (Rys.(Fig.) 15) to the rear outlet and close the tailflap.
For mulching to be fully effective, you must buy a milling knife.
SIDE EJECTION FUNCTION
To work with the side ejection:
1. remove the grass basket 7 (Rys.(Fig.) 1) (if fitted), insert the mulching plug into the rear outlet opening (Rys.(Fig.) 15) and close
the flap 23 (Rys.(Fig.) 2),
2. lift the side discharge cover and install the side discharge chute with the catches. Note: to raise the side discharge cover, it
may be necessary to use a lot of force or to open a special lock preventing its automatic opening (if present on your
model) (Rys.(Fig.) 16A-C),
3. Rest the side discharge cover on the side discharge duct (Rys.(Fig.) 16D).
MAINTENANCE
HANDLING THE CUTTING KNIFE
Warning:
Disconnect the spark plug wire before checking the cutting knife or blade attachment shaft. If the knife hits an object, stop
the engine, disconnect the spark plug cable and check the mower for damage. Check whether the crankshaft on the power take-off side or
the adapter to which the knife is attached has not been damaged (bent or cracked).
The knife adapter does not provide protection against engine damage when the knife hits objects other than grass, e.g. stones, branches,
molehills.
Check often that the knives are not bent, that they are not excessively worn, and that there are no other damages such as cracks
or deformations.
Damaged parts must be replaced with new ones, recommended by the manufacturer. For safety, replace the knives every two years.
Knives should be well sharpened (details in chapter "Sharpening a knife"). Blunt knives tug at the grass, causing the tips to yellow.
Attention! It is imperative to balance the knife after each sharpening. An unbalanced blade can cause dangerous vibrations
that can damage the mower and / or cause an accident.
Check the knife clamping screw often. The screw must be firmly tightened to a torque of 45 to 55 Nm.
REMOVING THE KNIFE (Rys.(Fig.) 17)
1. Adapter
2. Knife
3. Saddle half pad
4. Screw
Attention! Cutting knife 2 (Rys.(Fig.) 17) it can be very sharp, use gloves to protect your against injury. Screw
4 (Rys.(Fig.) 17) unscrew to the left (right-hand thread).
1. Empty the fuel tank.
2. Use a wooden block to prevent the knife from turning.
3. Loosen the screw that holds the knife.
4. Check the condition of the knife (see chapter "Operation of the cutting knife").
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