Etesia NBCS, Оригинальное руководство пользователя, Страница: 15 / 22

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8• MAINTENANCE
Disconnect the spark plug cap before any maintenance and
shut the petrol cock.
If you need to tilt your lawnmower for maintenance and inspection
make sure that you lay it on its side so that the carburetor is facing
upwards.
The best maintenance is above all the regular cleaning of your mower
after each use (frame, wheels, transmission system...).
CLEANING
• Once the engine has been switched off and allowed to cool, unhook
the grass collector, undo the lower fastening nuts on the handlebar
as far as the screw collar so as to be able to straighten the handlebar,
and lift the chassis from the front to put it into the vertical position
(see picture 14).
Advice : Do not undo the two middle fastening nuts: the upper part
of the handlebar stays aligned with lower parts.
• If you prefer to lay the lawnmower on its side, make sure that the
air filter is always facing upwards.
• Clean the lawnmower particularly the inside of the cutting deck.
Remove all debris of cut grass, preferably using a scraper and a
brush.
• Avoid turning the cutting blade when cleaning to ensure easier
starting later.
• If you are using a water jet, and particularly when using a high
pressure washer, take care not to splash water on engine elements
such as the carburetor, air filter, ignition, silencer. Never use hot
water pressure washers.
• After cleaning, it is recommended that the engine be started and
transmission used to disperse any excess water.
CHECK SAFETY DISPOSITION
• Regularly check the condition of the safety scuttle and the collecting
bin. Replace them as soon as they show signs of deterioration.
• Ensure that the safety control works properly: safety lever released
= stoppage of cutting blade in less than 3 seconds.
If you notice abnormalities in operation, have the safety system
checked by a service engineer approved by ETESIA.
MAINTENANCE OF THE CUTTING SYSTEM
Before each use, check that the blade, the blade attaching
screw and the cutting assembly are not worn or damaged. A
blade deformed or showing excessive wear (chipping on the
blade edges) must be replaced.
• All shocks against obstacles, or abnormal wear, may cause
unbalance and deterioration of the bearings or indeed of the engine
as a whole. In such cases the warranty becomes invalid. Use a
new blade rather than risk damage to the motor due to excessive
unbalance of a poor blade.
• Regularly make sure that the blade is well balanced (see picture 15).
REMOVAL OF THE BLADE (PICTURE 16)
• Change absolutely the blade after any shock.
• Some microcracks provoked by a shock can lead to the rupture of
the blade if it’s not replaced.
Wear gloves to avoid any accidents when handling the
cutting blade, which is extremely sharp on the sharpened
side.
• The engine crankshaft drives the cutting blade by means of a
coupling washer. In the event of an impact of the blade against an
obstacle, the tabs are sheared off and the blade is no longer driven
normally. This washer is a wear piece and it is normal to have to
replace it.
• Loosen the cutting blade fastening screw.
• Replace the cutting blade and the coupling washer, respecting the
direction of assembly: blade surfaces facing the engine (see picture 16).
Check that the two cutting points are turning in the same
plane.
• Measure the distance between the end of the blade and the edge of
the cutting deck skirt. This distance must stay the same when you
move the other end of the blade to the measuring point and must not
be less than 3 mm.
In case of an important impact : have the blade attachment and
shaft checked by your ETESIA dealer.
SERVICING THE FORWARD GEAR
TRANSMISSION SYSTEM (PICTURE 17)
After each use, clean the transmission system by removing any grass
that may have accumulated on it.
IMPORTANT !
Regularly check the correct adjustment of the
drive clutch cable.
Checking and adjusting the tension:
L0 = length of the spring at rest
L1 = length of the spring when the corresponding control is
activated
The tension applied to the spring connecting the cable to the control
levers (value L1-L0) must be maintained, in gear and with the engine
off, at a value of between 4 and 5 mm.
Any adjustments that are needed can be made by moving the screw
thrust bearings on the tightening screws on the sheathing on the
handlebar:
• Loosen the lock-nuts, unscrew the thrust bearings by the necessary
value, then tighten the lock-nuts again and check.
While the control lever is not being used, the spring should not exert
any tension on the cable.
ENGINE MAINTENANCE
Before any maintenance operation and in order to avoid any
risk in case of accidental start of the mower, take out the
plug top. Empty the engine outside.
ENGINE EMPTYING
• The first emptying has to be done after the 5 first working hours.
These hours have to be considered like a burn in period during the
one you have to run the engine carefully.
• Next emptying has to be done every 50 hours or once a year. If the
mower is used in difficult conditions (high temperature), plan more
frequent emptying.
Be careful with used hot oil.
OIL CHANGE METHOD
• Close the fuel cock and let the engine run until the carburetor tank
is empty.