Stiga Lawn Mower 48 S ROLLER User Manual

ST IG A T U RBO  
55 S RO LLER  
48 S RO LLER  
8211-0324-02  
 
S
SVENSKA  
9
10  
11  
13  
15  
12  
14  
16  
Honda  
Briggs & Stratton  
0,15 l.  
FULL/MAX  
ADD/MIN  
Briggs & Stratton  
G
I*  
B*  
3
 
S
SVENSKA  
17  
18  
Honda  
X
Y
19  
21  
23  
20  
22  
24  
Honda GCV  
Briggs & Stratton XTE  
4
 
S
SVENSKA  
25  
26  
T
27  
40 Nm  
5
 
GB  
ENGLISH  
SYMBOLS  
ASSEMBLY  
The following symbols appear on the machine.  
They are there to remind you of the care and  
attention required in use.  
LOOSE PARTS IN THE BOX  
1 ignition key (*)  
1 battery charger (*)  
1 socket wrench  
2 nut caps  
This is what the symbols mean:  
Warning! Read the Instruction Book and  
Safety Manual before using the machine.  
+ Instruction books  
FLAP  
Install the flap according to fig. 1-2.  
Warning! Keep onlookers away. Beware  
of objects being flung out.  
1. Insert the shaft into the hole on the right-hand  
side.  
2. Fold down the flap so that the left-hand end of  
the shaft is directly opposite the hole.  
Warning! Keep hands and feet clear of the  
cutting deck when the machine is running.  
3. Insert the left-hand end of the shaft into the hole  
by pressing shaft’s the right-hand end. Make  
sure that the shaft is centred.  
Warning! Before starting any repair work,  
remove the spark plug cable from the  
spark plug.  
HANDLE  
1. Remove rear screw, nut and washer and fold up  
the lower part of the handle (fig. 3).  
2. Screw the lower part of the handle without  
tightening (both sides). Ensure that the lug for  
the starter cord is correctly positioned (fig. 4).  
IMPORTANT  
Equipment which is marked with an asterisk (*)  
comes as standard in certain models or countries.  
3. Install the upper part of the handle using  
screws, washers and locking wheels (fig. 5).  
Certain models do not have throttle control. The  
engine’s speed is set for optimal function and  
minimal exhaust emissions.  
4. Adjust the handle so that the handlebar is  
horizontal.  
INTRODUCTION  
5. Set the required height for the handle and tighten  
the screws A and B properly (fig. 4).  
3
6. Thread the nut caps onto the front screw heads  
B (fig. 6).  
7. Fold down the spring struts so that the flap is  
secured (fig. 7).  
5
8. Carefully pull the starter handle and thread the  
starter cord through the lower and upper lugs.  
Tighten the upper lug (fig. 8).  
2
ENGINE BRAKE CABLE  
4
1
Secure the engine brake cable to the engine brake  
(fig. 9). Note that the cable should be installed in  
the direction of the handle.  
1. Throttle control (*)  
2. Clutch loop  
3. Start/Stop loop  
4. Electric start (*)  
5. Variator control  
CABLE HOLDERS  
Secure the cables in the cable holders (fig. 10):  
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ENGLISH  
CHECK THE OIL LEVEL  
VARIATOR CONTROL  
Check before using the machine that the oil level is  
between ‘FULL/MAX’ and ‘ADD/MIN’ on the  
dipstick.  
When the mower is delivered, the variator cable is  
set so that the transmission cannot be damaged.  
The cable may need tightening, see under heading  
“ADJUSTING VARIATOR CABLE“ in the  
section “MAINTENANCE“.  
Remove and wipe off the dipstick (fig. 13, 14).  
Slide it down completely and tighten it. Unscrew  
and pull it up again. Read off the oil level. If the oil  
level is low, fill with oil up to the ‘FULL/MAX’  
mark.  
GRASS COLLECTOR  
Fit the fabric bag over the steel frame and then  
snap the bag onto the plastic lid (fig. 11).  
FILL UP THE PETROL TANK  
Open the flap on the machine and attach the grass  
collector to the brackets (fig. 12).  
Never remove the filler cap or fill with  
petrol while the engine is running or still  
warm.  
NOTE! The lawnmower can be operated without  
the grass collector. The grass is then left in a line  
behind the machine.  
Never completely fill the petrol tank.  
Allow a little room for the petrol to  
expand if necessary.  
BATTERY (*)  
Preferably use environmentally friendly petrol, i.e.  
alkylate petrol. This type of petrol has a  
composition that is less harmful to people and  
nature. It has e.g. no lead additives, no oxygenators  
(alcohols and ethers), no alkenes and no benzene.  
The electrolyte in the battery is toxic  
and corrosive. It can cause serious  
corrosion damage etc. Avoid all contact  
with skin, eyes and clothing.  
Before starting for the first time, the battery should  
be charged for 24 hours, see further information  
under the heading MAINTENANCE, BATTERY.  
NOTE! If you change to  
environmentally friendly petrol in an  
engine previously run on ordinary lead-  
free petrol (95), the petrol  
Insert ignition key (*) into the ignition lock.  
manufacturer’s recommendations must  
be followed carefully.  
USING THE MOWER  
Ordinary lead-free 95 octane petrol can also be  
used. You must never use 2-stroke petrol mixed  
with oil. NOTE! Bear in mind that ordinary lead-  
free petrol is a perishable; do not purchase more  
petrol than can be used within thirty days.  
When mowing, the grass is collected in the  
collector. Empty the grass onto the compost heap  
or spread it over borders as fertiliser. The machine  
is also ideal for collecting up leaves in the autumn.  
BEFORE STARTING  
STARTING THE MOTOR  
(Briggs & Stratton)  
FILL THE CRANKCASE WITH OIL  
1. Place the lawnmower on flat, firm ground. Do  
not start in long grass.  
The lawnmower is delivered without  
any oil in the engine crankcase. The  
crankcase must be filled with oil before  
the engine is started for the first time.  
2. Make sure the spark plug cable is connected to  
the spark plug.  
Remove the oil dipstick (fig. 13, 14). Fill the  
engine’s crankcase with 0.55 litres of good quality  
oil (service class SE, SF or SG). Use SAE 30 or  
SAE 10W-30 oil.  
3. When starting a cold engine: Press down the  
primer fully 6 times (fig. 15).  
When starting a warm engine, the primer does  
not need to be used. If the engine stops due to a  
lack of fuel, refill and press down the primer 3  
times.  
Slowly fill to ‘FULL/MAX’. Do not overfill.  
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ENGLISH  
5. Press the Start/Stop loopG towards the handle.  
NOTE! The Start/Stop loopG must be kept  
pressed in to prevent the engine stopping (fig.  
16).  
Keep hands and feet away from the  
rotating blade. Never put your hand or  
foot under the blade casing or in the  
grass ejector while the engine is  
running.  
6a Manual start: Grasp the starter handle and start  
the engine by pulling briskly on the starter cord.  
STOPPING THE ENGINE  
6b Electric start (*): Start the engine by turning the  
ignition key clockwise. Release the key as soon  
as the engine starts. Always make short  
attempts at starting in order to prevent  
discharging the battery.  
The engine may be very warm  
immediately after it is shut off. Do not  
touch the silencer, cylinder or cooling  
fins. This can cause burn injuries.  
1. Release the Start/Stop loop G (fig. 16) to stop  
the engine. This loop must not be disengaged  
(e.g. by setting it in the depressed position  
against the handle), as it will not be possible to  
stop the engine.  
For ease of starting, press down the handle so  
that the front wheels lift slightly from the  
ground. Do not start in thick grass.  
7. For the best mowing results, the engine should  
always be driven at full throttle.  
Honda: Close the fuel tap.  
Keep hands and feet away from the  
rotating blade. Never put your hand or  
foot under the blade casing or in the  
grass ejector while the engine is  
running.  
2. If the lawnmower is left unattended, remove the  
spark plug cable from the spark plug. Also  
remove the ignition key (*).  
If the start/stop loop ceases to work, stop  
the engine by removing the spark plug  
cable from the spark plug. Immediately  
take the lawnmower to an authorised  
workshop for repair.  
STARTING THE ENGINE (Honda)  
1. Place the lawnmower on flat, firm ground. Do  
not start in long grass.  
DRIVE  
2. Make sure the spark plug cable is connected to  
the spark plug.  
Engage the drive by pressing the clutch loop I  
towards the handle. Disengage the drive by  
releasing the clutch loop I (fig. 16).  
3. Open the fuel tap (fig. 17).  
4. Set the throttle control B in the choke  
position . NOTE! It is not necessary to use the  
choke position when the engine is warm (fig.  
16).  
SPEED  
Do not touch the variator control when  
the engine is not running. This can  
damage the operation of the variator.  
5. Press the Start/Stop loopG towards the handle.  
NOTE! The Start/Stop loopG must be kept  
pressed in to prevent the engine stopping (fig.  
16).  
Set to a suitable speed by moving the variator  
control to one of the 4 positions (fig. 18).  
The various positions have the following speeds:  
6. Grasp the starter handle and start the engine by  
pulling briskly on the starter cord.  
Position :approx. 2.8 km/h  
Position 2: approx. 3.1 km/h  
Position 3: approx. 3.6 km/h  
7. When the engine starts, move the throttle  
control backwards until max. revs are obtained.  
NOTE! The engine should always be run at  
maximum revs to avoid abnormal machine  
vibrations.  
Position :approx. 4.5 km/h  
CUTTING HEIGHT  
Shut off the engine before adjusting the  
cutting height.  
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ENGLISH  
Do not set the cutting height so low that the  
blade comes into contact with uneven ground.  
OIL CHANGE  
Change the oil when the engine is warm  
and the fuel tank is empty. In order to  
prevent burns, take care while draining  
as the oil is hot.  
The mower has single-lever control for adjusting  
the cutting height. Pull the lever out, and set the  
cutting height to one of the positions best suited to  
your lawn (fig. 19).  
Change the oil the first time after 5 hours of  
operation, and subsequently every 50 hours of  
operation or once a season. Remove the dipstick,  
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  
No servicing may be carried out on the  
engine or lawnmower without first  
removing the spark plug cable from the  
spark plug.  
Fill with new oil: Use SAE 30 or SAE 10W-30 oil.  
The crankcase holds approx. 0.55 litres. Fill until  
the oil reaches the “FULL/MAX” mark on the  
dipstick.  
Stop the engine and remove the spark  
plug cable if the mower is to be lifted,  
e.g. during transportation.  
AIR FILTER  
If the lawnmower needs to be tilted, it  
must be tilted so that the engine’s spark  
plug faces upwards. Tilt the lawnmower  
when the fuel tank is empty.  
A dirty and blocked air filter reduces the engine  
output and increases engine wear.  
Briggs & Stratton (fig. 21):  
Undo the screw and fold down the cover of the air  
cleaner. Carefully remove the filter cartridge.  
Knock it against a flat surface. Replace the filter  
cartridge with a new one if it is still dirty.  
CLEANING  
After use, the mower should be cleaned. This is  
particularly important on the underside of the  
mower casing. Rinse clean with the garden hose.  
The mower will then last longer and work better.  
High-pressure washers should not be used.  
Clean the filter every three months or after every  
25 hours of use, whichever occurs first. More  
frequently if the engine is working on dusty  
ground.  
If grass has dried on to the mower casing, it can be  
scraped clean. If necessary, touch up the underside  
with paint to prevent rust damage.  
Honda (fig. 22): Remove the cover and take out the  
filter. Carefully check the filter for holes or other  
damage. A broken or damaged filter must be  
replaced.  
Clean the silencer and the surrounding  
area regularly to remove grass, dirt and  
flammable waste products.  
To remove dirt, carefully knock the filter several  
times against a hard surface or use compressed air  
from the back of the filter to blow-clean. Do not try  
to brush the filter clean as this forces dirt down into  
the fibres. A very dirty filter should be replaced.  
Remove the transmission casing by removing the  
screws S (fig. 20) and clean around the  
transmission and drive belts with a brush or  
compressed air once or twice a year.  
The drive chain should be lubricated once per  
season. Remove the right-hand cover from the  
roller and apply a little chain spray onto the chain.  
Clean the air filter after every 25 hours of  
operation or once a season. More frequently if the  
engine is working on dusty ground.  
COOLING SYSTEM  
SPARK PLUG  
Before each use, the engine’s cooling system must  
be cleaned. Clean the cylinder’s cooling flanges  
and air intake of grass remains, dirt, etc.  
Never remove the spark plug or spark  
plug cable when checking to see if there  
is a spark. Use an approved test  
instrument.  
Clean the spark plug regularly (every 100 hours of  
run time). Use a wire brush for cleaning.  
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ENGLISH  
Change the spark plug if the electrodes are  
1. When the clutch loop is released, it should be  
possible to push the mower without any  
resistance. If this is not the case, screw in the  
nipple T until the mower can be pushed (fig.  
26).  
excessively burnt or if the plug is damaged. The  
engine manufacturers’ recommendations are as  
follows:  
Briggs & Stratton: Champion J19LM (RJ19LM),  
Spark gap 0.76 mm.  
2. When the clutch loop is  
pressed in approx. 2 cm  
(position 1), there should be  
some resistance when  
Honda: NGK BPR6ES,  
Spark gap 0.7-0.8 mm.  
pushing the lawnmower.  
With the clutch loop fully  
pressed in (position 2) it  
should not be possible to push  
the mower. Unscrew the  
nipple T until this position is  
achieved.  
BATTERY (*)  
The electrolyte in the battery is toxic  
and corrosive. It can cause serious  
corrosion damage etc. Avoid all contact  
with skin, eyes and clothing.  
In normal use during the season, the battery is  
charged by the engine. If the engine cannot be  
started with the ignition key, it may be because the  
battery is ‘dead’.  
ADJUSTING VARIATOR CABLE  
If the speed difference between the settings in the  
variator control giving the fastest speed (position 3  
and ) appears insignificant or nothing at all, the  
variator cable might need tightening (fig. 18).  
Dismantle the battery by opening the battery  
cover, disconnecting the terminal on the engine  
and removing the battery (fig. 23). Connect the  
battery charger (provided) to the battery, then  
connect the charger to a wall socket and charge for  
24 hours (fig. 24).  
1. Run the mower for a few minutes in position  
.
2. If the variator cable shows some play in nipple  
Y it needs tightening. Undo the locking nut X  
and tighten the cable by unscrewing the nipple  
Y until the cable ceases to show any play.  
After charging, the battery may be reinstalled and  
the terminal on the battery connected to the  
terminal on the engine (fig. 25).  
The battery charger may not be connected directly  
to the engine terminal. It is not possible to start the  
engine with the charger as the power source and  
the charger could be damaged.  
3. Tighten the locking nut X.  
NOTE! Do not stretch the cable beyond the point  
where there is no play in the nipple Y. If the cable is  
over-tightened, the drive belt could break and/or  
other parts of the transmission be damaged. When  
setting after e.g. belt change, always start with the  
nippleY completely screwed in.  
WINTER STORAGE  
Remove the battery and store it fully charged (see  
above) in a dry, cool place (between 0°C and  
+15°C). The battery should be maintenance-  
charged at least once during the winter storage  
period.  
CHANGING BLADES  
Use protective gloves when changing  
blade to avoid cutting yourself.  
Before the start of the season, the battery should be  
charged once again for 24 hours.  
Check the blade system regularly. Check  
particularly the curved area behind the  
blade edge for traces of wear. If the blade  
shows traces of damage it should be  
replaced. A worn blade creates imbalance  
and can damage the mower.  
ADJUSTING CLUTCH CABLE  
If the drive does not engage when the clutch loop  
is pressed against the handle, or if the lawnmower  
feels cumbersome or slow, this may be because the  
clutch in the transmission is slipping. To rectify  
this situation, adjust the clutch cable as follows:  
Always check the blade after an impact. First  
disconnect the spark plug cable. If the blade  
system has been damaged, defective parts should  
be replaced. Always use genuine spare parts.  
10  
 
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ENGLISH  
To replace the blade, undo the screw (fig. 27). Fit  
the new blade so that the stamped logo is turned up  
facing the blade holder (not facing the grass).  
Reinstall as illustrated. Tighten the screw properly.  
Tightening torque 40 Nm.  
When replacing the blade, the blade screw should  
also be replaced.  
The guarantee does not cover damage to the blade,  
blade holder or engine caused by running into  
obstacles.  
When replacing the blade, blade holder and blade  
screw, always use genuine spare parts. Non-  
genuine spare parts can entail a risk of injury or  
damage, even if they fit the machine.  
SHARPENING THE BLADES  
Sharpening of the blades must be done by wet  
method grinding, using a whetstone or a  
grindstone.  
For safety reasons, the blades should not be  
sharpened on an emery wheel. A very high  
temperature could cause the blades to become  
brittle.  
Once the blade has been sharpened, it  
must then be balanced to avoid  
vibration damage.  
STORAGE  
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.  
Tip up the mower and unscrew the spark plug.  
Pour a tablespoon of engine oil into the spark plug  
hole. Pull out the starter handle slowly so that the  
oil is distributed in the cylinder. Screw in the spark  
plug.  
Thoroughly clean the mower and store it indoors in  
a dry place.  
SERVICING  
Genuine spare parts are supplied by service  
workshops and by many dealers.  
11  
 
M O W I N G A H E A D  
GGP Sweden AB  
·
Box 1006  
·
SE-573 28 TRANÅS  
w w w.s t iga.co m  
 

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