Mountfield Lawn Mower 550 SP User Guide

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Mountfield  
550 SP TRI-CUT  
Owner’s Manual  
D
E
WA  
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Model: . . . . . . . . . . . . . . . .  
Type: . . . . . . . . . . .  
3
dB  
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(Year) . . . . . . .  
S/N° . . . . . . . . . . . . . . . .  
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G
O P S T  
Call our Helpline if you have any problems:  
Helpline Number  
J
0870 240 2114  
Open from 9:00am to 4:00pm daily  
Manufactured by:  
H
GGP ITALY SPA - Via del Lavoro, 6 - 31033 Castelfranco Veneto (TV) - ITALY  
5
71503852/0  
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ENGLISH  
GB  
GB  
C) OPERATION  
SAFETY REGULATIONS  
A) TRAINING  
1) Do not operate the engine in a confined  
space where dangerous carbon monoxide  
fumes can collect.  
2) Mow only in daylight or good artificial light.  
3) If possible, avoid operating the equipment in  
wet grass.  
4) Always be sure of your footing on slopes.  
5) Walk, never run and do not allow yourself to  
be pulled along by the lawnmower.  
6) Mow across the face of slopes, never up and  
down.  
7) Exercise extreme caution when changing  
direction on slopes.  
8) Do not mow on slopes of more than 20°.  
9) Exercise extreme caution when pulling the  
lawnmower towards you.  
10) Stop the blade if the lawnmower has to be  
tilted for transportation when crossing surfaces  
other than grass, and when transporting the  
lawnmower to and from the area to be mowed.  
11) Never operate the lawnmower with defec-  
tive guards, or without safety devices, such as  
the stone-guard and/or grass-catcher, in place.  
12) Do not change the engine governor settings  
or overspeed the engine.  
1) Read the instructions carefully. Get familiar  
with the controls and proper use of the equip-  
ment. Learn how to stop the engine quickly.  
2) Only use the lawnmower for the purpose for  
which it was designed, i.e. for cutting and col-  
lecting grass. Any other use can be hazardous,  
causing damage to the machine.  
3) Never allow children or people unfamiliar with  
these instructions to use the lawnmower. Local  
regulations may restrict the age of the operator.  
4) Never use the lawnmower:  
– When people, especially children, or pets are  
nearby.  
– If the operator has taken medicine or sub-  
stances that can affect his ability to react and  
concentrate.  
5) Remember that the operator or user is  
responsible for accidents or hazards occurring  
to other people or their property.  
13) On power-driven models, disengage the  
drive clutch before starting the engine.  
14) Start the engine carefully, following the  
instructions and keeping feet well away from  
the blade.  
B) PREPARATION  
1) While mowing, always wear sturdy footwear  
and long trousers. Do not operate the equip-  
ment when barefoot or wearing open sandals.  
2) Thoroughly inspect the area where the equip-  
ment is to be used and remove all objects which  
may be thrown by the machine or damage the  
cutter assembly and the engine (stones, sticks,  
metal wire, bones, etc.)  
15) Do not tilt the lawnmower when starting the  
engine. Start the engine on a flat surface that is  
free of obstacles and tall grass.  
16) Do not put hands or feet near or under rotat-  
ing parts. Keep clear of the discharge opening  
at all times.  
17) Never pick up or carry a lawnmower while  
the engine is running.  
3) WARNING: DANGER! Engine fuel is highly  
flammable:  
18) Stop the engine and disconnect the spark  
plug wire:  
– Store fuel in containers specifically designed  
for this purpose.  
– Before carrying out any work underneath the  
cutting deck or before unclogging the chute;  
– Before checking, cleaning or working on  
lawnmower;  
– Refuel using a funnel and outdoors only. Do  
not smoke while refuelling or whenever han-  
dling the fuel.  
– Add fuel before starting the engine. Never  
remove the cap of the fuel tank or add fuel while  
the engine is running or when the engine is hot.  
– If fuel is spilled, do not attempt to start the  
engine but move the machine away from the  
area of spillage and avoid creating any source  
of ignition until the fuel has evaporated and the  
vapour dispersed.  
– After striking a foreign object. Inspect the  
lawnmower for damage and make repairs  
before restarting and operating the lawnmower;  
– If the lawnmower starts to vibrate abnormal-  
ly (find and remove the cause of the vibration  
immediately).  
19) Stop the engine:  
– Whenever you leave the lawnmower unat-  
tended. Remove the key from models with elec-  
tric starters.  
– Replace all fuel tanks and containers caps  
securely.  
4) Substitute faulty silencers.  
– Before refuelling.  
5) Before use, always inspect the machine,  
especially the condition of the blades, and  
check that the screws and cutting assembly are  
not worn or damaged. Replace worn or dam-  
aged blades and screws in sets to preserve bal-  
ance.  
– Every time you remove or replace the grass-  
catcher.  
– Before adjusting the cutting heigh.  
20) Reduce the throttle before turning off the  
engine and turn the fuel off when you have fin-  
ished mowing, following the instructions in the  
engine handbook.  
6) Before mowing, attach the discharge opening  
guards (grass-catcher or stone-guard).  
21) When mowing, always keep to a safe dis-  
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ENGLISH  
GB  
GB  
tance from the rotating blade. This distance is  
the length of the handle.  
Do not dispose of used lead-acid batteries in a  
rubbish bin. Take them to a battery collection  
point for recycling (applies to battery-powered  
machines and machines with battery start).  
Replace the silencer if faulty. When carrying out  
repairs, always use original spare parts.  
If the machines was originally equipped with a  
catalyser which is now faulty, a new one must  
be fitted when the silencer is replaced.  
Always seek professional help when the carbu-  
rettor requires adjustment.  
Clean the air filter according to the directions.  
When, after many years of service, your  
machine needs to be replaced or is no longer  
required, we recommended that the machine is  
returned to your distributor for recycling.  
D) MAINTENANCE AND STORAGE  
1) Keep all nuts, bolts and screws tight to be  
sure the equipment is in safe working condition.  
Regular maintenance is essential for safety and  
performance.  
2) Never store the equipment with fuel in the  
tank inside a building where vapour may reach  
a flame or a spark or a source of extreme heat.  
3) Allow the engine to cool before storing in an  
enclosed space.  
4) To reduce the fire hazard, keep the engine,  
exhaust silencer, battery compartment and fuel  
storage area free of grass, leaves, or excessive  
grease. Do not leave containers with grass cut-  
tings in rooms.  
5) Check the stone-guard and grass-catcher  
frequently for wear and deterioration.  
6) If the fuel tank has to be drained, this should  
be done outdoors and when the engine is cool.  
7) Wear strong work gloves when removing and  
reassembling the blade.  
8) Check the blade’s balance after sharpening.  
9) For reasons of safety, do not use the equip-  
ment with worn or damaged parts. Parts are to  
be replaced and not repaired. Use genuine  
spare parts (blades should always bear the  
PRODUCT IDENTITY  
The identity of the product is determined by the  
article and serial numbers of the machine.  
These can be found on the label fixed to the chas-  
sis of the machine:  
symbol  
). Parts that are not of the same qual-  
ity can damage the equipment and be danger-  
ous for your safety.  
10) Whenever the machine is to be handled,  
transported or tilted you must:  
ART. NR  
SERIE NR.  
– wear strong working gloves;  
– grasp the machine at the points that offer a  
safe grip, taking account of the weight and its  
distribution.  
Use this identification whenever you contact a  
service workshop or buy replacement parts.  
As soon as possible after buying the machine,  
write the above numbers on the back page of this  
booklet.  
THE ENVIRONMENT  
In order to protect the environment, we recom-  
mend that the following points should be given  
special consideration:  
The manufacturer reserves the right to make  
changes to the product without prior notice.  
Always use pure unleaded petrol.  
Always use a funnel and/or a petrol can with a  
level control to avoid spillage when refilling the  
fuel tank.  
Do not fill the fuel tank completely.  
Do not overfill with engine and/or transmission  
oil.  
When changing the oil, ensure that all the used  
oil is collected. Avoid spillage. Take the used oil  
to a recycling unit.  
Do not dispose of used oil filter in a rubbish bin.  
Take it to a recycming unit.  
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IMPORTANT  
INSTALLATION  
For the instructions relative to the engine and  
the battery, please read the relevant instruction  
handbooks.  
LOOSE PARTS IN THE BOX  
2 brackets for the grass collector  
4 screws for the brackets  
1 Allen key  
1 socket wrench  
+ Instruction books  
SYMBOLS  
The following symbols can be found on the  
machine to remind you of the care and attention  
that are required during use.  
HANDLE  
1. Fold up the lower part of the handle.  
The symbols mean:  
2. Secure the upper part of the handle with wash-  
ers and locking wheels. There is a lug on the  
right hand side for the starter handle (fig. 1).  
Important: Read the instruction handbook  
before using the  
3. Then tighten the locking wheels onto the lower  
part of the handle. When these have been tight-  
ened, the height of the handle can be adjusted  
by tightening the screws A with the wrench pro-  
vided. (fig. 2)  
Warning! Keep onlookers away. Beware of  
objects being flung out.  
CABLE HOLDER  
Warning! Keep hands and feet clear of the  
cutting deck when the machine is running.  
Secure the cables in the cable holders (fig. 3):  
D: Start/Stop cable + Clutch cable  
E: Throttle cable + Clutch cable  
Warning! Before starting any repair work,  
remove the spark plug cable from the spark  
plug.  
GRASS COLLECTOR  
Warning! Always tilt the lawnmower  
backwards when cleaning the  
Raise the collector flap and attach the two brack-  
ets to the grass collector with the screws provided.  
The brackets are marked with «L» and «R» and  
should be installed at the corresponding mark on  
the rear of the mower (fig. 4).  
underside. Petrol and oil can run out  
if the lawnmower is tilted in the other direction.  
Fit the fabric bag over the steel frame and then  
snap the bag onto the plastic lid (fig. 5).  
INTRODUCTION  
Open the flap on the machine and attach the grass  
collector to the brackets.  
G
P O  
S T  
J
NOTE! The lawnmower can be operated without  
the grass collector. The grass is then left in a line  
behind the machine.  
USING THE MOWER  
COMBI  
Your new lawnmower combines two different func-  
tions in the same machine:  
H
1. “MULCHING“  
G
H
J
Start/Stop loop  
Throttle control  
Clutch loop  
The machine comes equipped with a plug (P),  
installed in the ejector opening (fig. 6). The machine  
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ENGLISH  
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can be used for ‘Mulching’ i.e. the blade finely cuts  
up the grass during mowing. The grass then falls  
into the lawn where it is allowed to rot.  
This provides the lawn with nourishment.  
To remove the plug, press in the catch (R - fig. 6).  
On reinstalling the plug ensure that both pins are  
pressed firmly into the holes so that the plug snaps  
in place.  
REAR WHEEL DRIVE (*)  
Engage the drive by pressing the clutch loop J  
towards the handle. Disengage the drive by releas-  
ing the clutch loop J (fig. 7).  
CUTTING HEIGHT  
2. COLLECTION  
Do not set the cutting height so low that  
the blade(s) come into contact with  
uneven ground.  
Assemble the grass collector provided (fig. 5).  
Open the flap, remove the plug and instead hook  
the collector onto the rear of the machine.  
When mowing, the grass is collected in the collec-  
tor.  
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.  
The mower has single-lever control for adjusting  
the cutting height. Pull the lever out, and set the  
cutting height to one of the nine positions best  
suited to your lawn (fig. 8).  
3. REAR EJECTION  
MAINTENANCE  
Use the mower without the plug or the grass col-  
lector (flap closed). The grass is released behind  
the machine without being cut up.  
IMPORTANT – Regular, careful maintenance is  
essential for keeping the safety level and origi-  
nal performance of the machine unchanged in  
time.  
STARTING THE ENGINE  
Wear strong working gloves during any cleaning,  
maintenance or adjustment operation on the  
machine.  
1. Place the lawnmower on flat, firm ground. Do  
not start in long grass.  
Should it be necessary to access the lower part,  
only tilt the machine from the side shown in the  
engine handbook; following the relative instruc-  
tions.  
2. Make sure the spark plug cable is connected to  
the spark plug.  
3. Press in the Start/Stop loop G towards the han-  
dle. NOTE! The Start/Stop loop G must be kept  
pressed in to prevent the engine stopping (fig.  
7).  
CLEANING  
4. Grasp the starter handle and start the engine by  
pulling briskly on the starter cord.  
Carefully clean the machines with water after each  
cut; remove the grass debris and mud accumulat-  
ed inside the chassis to avoid their drying and thus  
making the next start-up difficult.  
5. For the best mowing results, the engine should  
always be driven at full throttle.  
The paintwork on the inside of the chassis may  
peel off in time due to the abrasive action of the cut  
grass; in this case, intervene promptly by touching  
up the paintwork using a rustproof paint to prevent  
the formation of rust that would lead to corrosion of  
the metal.  
STOPPING THE ENGINE  
The engine may be very warm immedi-  
ately after it is shut off. Do not touch the  
silencer, cylinder or cooling flanges. This  
can cause burn injuries.  
Remove the transmission casing by removing the  
screws S (fig. 9) and clean around the transmission  
and drive belts with a brush or compressed air  
once or twice a year.  
Release the Start/Stop loopG (fig. 7) to stop the  
engine.  
Once every season, the drive wheels should be  
cleaned internally. Remove both wheels.  
If the start/stop loop ceases to work,  
stop the engine by removing the spark  
plug cable from the spark plug.  
Immediately take the lawn mower to an  
authorised workshop for repair.  
Clean the gear wheel and the wheel gear rim of  
grass and dirt using a brush or compressed air (fig.  
10).  
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LUBRICATING DRIVE SHAFT  
STORAGE  
Once per season, the wedge on the drive shaft  
should be greased. Remove the wheel (wheel cap,  
screw and washer).  
The same petrol must not remain in the tank for  
more than one month.  
Then remove the circlip and washer so that the  
gear wheel can be removed from the shaft.  
Lubricate the wedge with universal grease.  
Thoroughly clean the mower and store it indoors in  
a dry place.  
Reinstall the wedge (the wedge is installed differ-  
ently on the right and left side, fig. 11 - 12). Install  
the gear wheel so that the «L» faces out on the left  
side and the «R» faces out on the right side  
(machine viewed from the rear).  
SERVICING  
Genuine spare parts are supplied by service work-  
shops and by many dealers.  
We recommend that you take the machine to an  
authorised service station for annual servicing,  
maintenance and inspection of safety equipment.  
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.  
For service and spare parts, please contact the  
dealer where the machine was purchased.  
To rectify this situation, adjust the clutch cable as  
follows (with the engine off):  
1. When the clutch loop is released, it should be  
possible to push the mower backwards without  
any resistance. If this is not the case, screw in  
the nipple T until the mower can be pushed (fig.  
13).  
2. When the clutch loop is pressed in approx. 2 cm  
(position 1), there should be some resistance  
when 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.  
CHANGING BLADES  
To replace the blade, undo the screw (fig. 14).  
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.  
SHARPENING THE BLADES  
Sharpening of the blades must be done by wet  
method grinding, using a whetstone or a grind-  
stone.  
For safety reasons, the blades should not be  
sharpened on an emery wheel. A very high temper-  
ature could cause the blades to become brittle.  
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