The following symbols are displayed on the machine in order to remind you about the safety precautions and attention necessary when using the
machine.
The symbols mean:
Warning! Read the Instruction Book and
Safety Manual before using the machine.
Warning! Keep spectators away. Beware
of objects being flung out.
PRO 46
Lift the upper part of the handlebar and position it
behind the machine. Move the lower part of the
handlebar upwards and tighten the locking knobs
A (fig. 3).
Then fitthe upperpart ofthe handlebar.A securing
eye for the starting handle i s fitted on the righthand side (fig. 1).
Storageposition: Slacken the locking knobs on the
lower part of the handlebar and move it forwards.
Then slacken the locking knobs on the upper part
of the handlebar and move it backwards (fig. 4).
Note that you must check to make sure that the
wiresdo notfastenand breakwhen the steeringhandle is movedupwards or into the storage position.
Warning! Do not put hands or feet under
the cover of the machine when it is running.
Warning! Before starting any repair work,
remove the spark plug cable from the
spark plugs.
IMPORTANT
Certain models do not have a throttle. The motor
speed is set for optimal function and minimal exhaust emissions.
ASSEMBLING
HANDLEBAR
Hinge up the lower part of the handlebar.
Then attach the upper part of the handlebar with
screws, washers and locking knobs (fig. 2).
CABLE BEARER
Put the wires into the cable holder (fig. 5).
USING THE MOWER
BEFORE STARTING
FILL THE CRANKCASE WITH OIL
The lawn mower is delivered without
any oil in the motor crankcase. The
crankcasemust,therefore,be filledwith
oil before the motor is started the first
time.
Remove the oil dipstick (fig. 6, 7, 8).
Fill the engine's crankcase with 0.6 litres of good
quality oil (service class SE, SF or SG) Use SAE
30 or SAE 10W-30 oil.
Fill until the oil reaches the “FULL/MAX” mark
on the dip stick. Do not fill with too much oil.
CHECKING THE OIL LEVEL
Thehandlebarhasfour differentpositions. Release
the catch with the foot and move the handlebar to
the desired position (fig. 3).
1. For normal mowing.
2. For mowing under trees, shrubs etc.
3. Parking position.
4. Transportation and storage position. The handlebar takes up less room if the locking knobs
are loosened and the handlebar folded in.
Check beforeusing themachine thatthe oil levelis
between “FULL/MAX” and “ADD/MIN” on the
dipstick (fig. 6, 7, 8).
Briggs & Stratton, Honda: Remove and dry the
dipstick (fig. 6, 7). Slide it down completely and
tighten it. Unscrew and pull it up again. Read-off.
If the oil level islow, fill with oil up to the “FULL/
MAX” mark.
ENGLISH
GB
Tecumseh: Stand the lawnmower on a level surface. Clean the area round the oil plug, then removethe plug(fig. 8).If theoilis not level withthe
edge of the hole, carefully pour in clean oil. Replace the oil plug.
FILL UP THE PETROL TANK
Fill with petrol before starting the motor. Never remove the filler cap or fill
with petrol while the motor is running
or still warm.
Never fill the fuel tank completely full
but allow a little room for the petrol to
expand.
Always use pure unleaded petrol. You must never
use 2-stroke petrol mixed with oil.
Note that you should always remember that petrol
is a perishable commodity. Never buy more petrol
than what you can use up in 30 days.
STARTING THE ENGINE
(Briggs & Stratton, Tecumseh)
1. Place the lawn mower on flat, firm ground. Do
not start in high grass.
2. Make sure the spark plug lead is connected to
the spark plug.
3. If the lawnmower is equipped with a throttle lever, set throttle lever B in full throttle position
(fig. 9).
4. When starting a cold engine: Press down the
primer fully three times (fig. 10, 11).
When starting a warm engine the primer does
not need to be used. If the engine stops due to a
lack of petrol, refill and press down the primer
three times.
5. Press in the Start/Stop-loop G against the steering. Note that the Start/Stop loop G must be
kept pressed-in to prevent the engine from stopping (fig. 9).
6. Grasp the starter handle and start the engine by
pulling briskly on the starter handle.
7. To achieve the best cutting results, you should
always run the engine at full-speed.
Keep handsand feet well away from the
rotating blade(s). Never put your hand
or foot under the blade casing or in the
grass evacuation unit whilethe motor is
running.
STARTING THE ENGINE (Honda)
1. Place the lawn mower on flat, firm ground. Do
not start in high grass.
2. Make sure the spark plug lead is connected to
the spark plug.
3. Open the fuel cock (fig. 12).
4. Movethe throttlecontrolBto thechokeposition
. Note!Don't use thechoke position whenthe
engine is warm (fig. 9).
5. Press in the Start/Stop-loop G against the steering. Note that the Start/Stop loop G must be
kept pressed-in to prevent the engine from stopping (fig. 9).
6. Grasp the starter handle and start the engine by
pulling briskly on the starter handle.
7. When the motor starts, move the throttle lever
backwards until the max. rotation speed is obtained. Note! The engine should always be run
at the maximum rotation speed to avoid abnormal engine vibrations.
Keep handsand feet well away from the
rotating blade(s). Never put your hand
or foot under the blade casing or in the
grass evacuation unit whilethe motor is
running.
STOP OF ENGINE
The motor may be very warm immediatelyafter itis shut off.Do nottouchthe
silencer, cylinderor cooling flanges as it
can cause burns and injury.
1. Release Start/Stop-loop G to stop theengine.
This loop must not be disengaged(e.g. through
fixing it in the depressed position against the
steering), as the engine cannot be stopped.
Honda: Close the fuel cock.
2. If the lawn mower is left unattended to,remove
the lead from the spark plug.
GB
ENGLISH
If thestart/stop loop no longerworks,
stop the engine by removing the lead
from the spark plug. Immediately take
the lawn mower to an authorised workshop for repairs.
MOWING TIPS
Before mowing the lawn, take care to remove any
stones toys and other hard objects.
Amachine withMULCHER systemcuts thegrass,
chops it finely and then blows it down in the lawn.
The grass clippings need not to be collected.
The following rules should be observed to give
best MULCHER effect:
1. Use a high engine speed (full throttle).
2. Do not mowe when the grass is wet.
3. Do not cut the grass too short. Not more than 1/
3rd of the length should be cut off.
4. Always keep it clean under the mower casing.
5. Always use a well sharpened blade.
CUTTING HEIGHT
Shut off the motor before adjusting the
cutting height.
Do not set the cutting height so lowthat
the blade/blades can hit uneven ground.
The cutting height can be adjusted to three positions by moving the wheel axles (fig. 14).
CLEANING
After each time it is used the mower should be
cleaned. This is particularly important on the underside of the mower casing. Wash out with the
garden hose. The mower will then last longer and
function better.
The paint under the mower casing will wear after
some time. To prevent corrosion paint with rust
preventive.
Clean the silencer and the surrounding
area regularlyto remove grass, dirt and
flammable waste products.
COOLING SYSTEM
Before use, the engine's cooling system should be
cleaned. Clean the cylinder's cooling fins and the
airintake, removingany grasscuttings, dirtandthe
like.
CHANGING OIL
Change the oil when the engineiswarm
andt he petrol tankis empty.Hotoil will
runoutof theenginebetter. Usec aution
when draining the hot oil, as it could
cause burn injuries.
Change the oil the first time after 5 hours of operation, and subsequently after every 50 hours of operation or once a season. Remove thedip stick, tilt
the mower and let the oil run out into a container.
Be careful not to let any oil run on to the grass.
MAINTENANCE
Noserviceistobemadeonthemotoror
grass cutterunitwithout first switching
off the motor and removing the spark
plug cable from the spark plug.
Stop the motor and remove the spark
plug cable if the mower is to be lifted,
e.g. with transportation.
Ifthemachineistobe tiltedthe fueltank
must be emptied and the sparking plug
of the engine k ept upwards.
Fill with new oil: use oil of SAE 30 or SAE 10W30 quality. The crankcase holds approx. 0.6 litre.
Fill until the oil reaches the “FULL/MAX” mark
on the dip stick.
AIR FILTER
A dirty and blocked air filter reduces the engine
output and increases engine wear.
Briggs & Stratton: Carefully remove the air
cleaner so that no dirt falls down into the carburettor (fig. 15). Take out the foam plastic filter element and wash itin liquid detergentand water.Dry
the filter element. P our a little oil on the filter element and squeeze it in. Refit the air cleaner.Wash
the filterevery three months or every 25hours running, whichever comes first, or more frequently if
used in dusty conditions.
ENGLISH
GB
Honda: Take off the cover then remove the filter
(Fig. 16). Check the filter carefully for holes or
other damage. Abroken or damaged filtermust be
replaced.
To remove dirt, tap the filter several times against
a hard surface, orblow compressed air through the
filter from the back. Try not to clean the filter by
brushing, as this will force the dirt into the fibres.
A very dirty filter should be replaced.
Clean the air filter after every 25 hours of use, or
once every season; more often if the motor is used
on dusty terrain.
Tecumseh: Check the air filter after every 25
hours of use, more often if the engine is used in
dusty conditions. If the foam filter is dirty or
blocked it should be replaced.
Dismantle the cover A. Clean inside the cover A
and the filter support E, (fig. 13). Soak the foam
filter C with two teaspoons (approx. 20 ml) of engine oil. Massage the filterwith a clean cloth to remove any excess oil. Also check the seal D,
replace it if damaged or deformed.
Refit the cover A.
SPARKING PLUG
Never removethe spark plugor the ignition lead when checking to see if thereis
any spark, always use an approved test
instrument.
Cleanthe sparkingplug regularly (every100 hours
running). Use a wire brush for cleaning and adjust
the correct spark gap (fig. 17).
Change the sparking plug if the electrodes are excessively burnt or if the plug is damaged. The recommendations of the engine manufacturers are as
follows:
Blunt and damaged blades tear off the grass and
spoil thelook of the lawnafter mowing. New, well
sharpened blades cut the grass cleanly, so that the
lawn looks green and fresh even after mowing.
Always check the blade(s) after an impact. First
disconnect the ignition cable. If the blade system
has been damaged the defective parts must be
changed. Always use genuine spare parts.
To replacethe blade, slackenthe screw.Fit the new
blade so that the stamped STIGA logotype is
turned facing the blade attachment (and not facing
the grass). Refit the washerand screw.Tighten the
screw fully to a torque of 40 Nm (fig. 18).
When replacing the blade, the blade screw should
also be replaced.
The guarantee doesnot cover damage tothe blade,
blade holder or engine caused by running into obstacles.
When replacing the blade, the blade holder and
blade screw, always use originalspare parts. Nonauthentic spare parts could lead to the risk of personalinjury or damag e,even ifthey fit themachine.
SHARPENING OF THE BLADES
Sharpening of the blades must be done by wet
method grinding, using a whetstone or a grindstone.
For the sake of safety, the blades should not be
sharpened onan emery wheel. Avery hightemperature could cause the blade to become brittle.
Once the blade has been sharpened, it
must then be balanced so as to avoid vibration damage.
STORAGE
Briggs& Stratton: Champion J19LM(RJ19LM),
Spark gap 0,76 mm.
Honda: BPR6ES (NGK),
Spark gap 0,7-0,8 mm.
Tecumseh: Champion RJ17LM, RJ19LM,
Spark gap 0,6 mm.
CHANGING BLADES
Use protective gloves to prevent cuts
when changing blades/knifeblades.
WINTER STORAGE
Empty the fuel tank. Start the engine and let it run
until it stops. The same petrol must not remain in
the tank for more than one month.
Tipup the mower and screw out the sparkingplug.
Pour a teaspoon of engine oil in the sparking plug
hole. Pull out the starting handle slowlyso that the
oil is distributed in the cylinder. Screw in the
sparking plug.
Thoroughlyclean themower andstore itindoors in
a dry place.
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