Mountfield Lawn Mower 4135H - 4155H - 4155 H 4WD Instructions Manual

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The seat can be folded. If the machine is parked 
outside when it is raining, fold the seat forward to 
protect the seat cushion from getting wet.
The seat is locked. To fold the seat up or down, re-
lease the catch (S).
4.5 Steering wheelSee fig. 7. In order to minimise the axial play in the 
steering column, the shim washers (D) and/or (E) 
must be installed on the steering column between 
the steering column jacket and the bracket as fol-
lows.
1. Install the steering column jacket on the...

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5.4.2 Clutch-parking brake (12:B)
Never press the pedal while driving. 
There is a risk of overheating in the 
power transmission.
The pedal has the following 
three positions:
•Released. The clutch is not activated. The park-
ing brake is not activated.
•Depressed halfway. Forward drive disengaged. 
The parking brake is not activated.
•Fully depressed. Forward drive disengaged. 
The parking brake is fully activated but not 
locked. This position is also used as emergency 
brake.
5.4.3...

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5.4.8 Clutch release lever 
A lever for disengaging the variable transmission.
HST is equipped with a lever, connected to the rear 
axle. See (16:N).
4WD is equipped with two levers, connected to the 
rear axle (17:O) and the front axle (17:P). 
The disengagement lever must never be 
between the outer and inner positions. 
This overheats and damages the trans-
mission.
The levers enable the machine to be moved by 
hand without the help of the engine. Two positions:
1. Lever in the inner...

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Never completely fill the petrol tank. Leave an 
empty space (= at least the entire filler tube plus 1 
- 2 cm at the top of the tank) to allow the petrol to 
expand when it warms up without overflowing. 
See fig. 18.
7.2 Checking the engine oil levelOn delivery, the crankcase is filled with SAE 10W-
30 oil.
Check the oil level every time before using to 
ensure it is correct. The machine should be 
standing on level ground.
Wipe clean around the oil dipstick. Un-
screw and pull it up. Wipe...

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9. When starting from cold, do not make the ma-
chine work under load immediately, but let the 
engine run for a few minutes first. This will al-
low the oil to warm up. 
When the machine is in operation, full throttle 
should always be used.
7.6 Operating tipsAlways check that there is the correct volume of 
oil in the engine. This is particularly important 
when operating on slopes. See 7.2 Checking the 
engine oil level. 
Be careful when driving on slopes. No 
sudden starting or stopping...

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Do not fill with too much oil. This can cause the 
engine to overheat. 
Change oil when the engine is warm.
The engine oil may be very hot if it is 
drained off directly after the engine is 
shut off. Therefore allow the engine to 
cool a few minutes before draining the 
oil.
1.  Attach the clamp on the oil drainage hose. Use 
a polygrip or similar. See fig. (21:V).
2.  Move the clamp up 3-4 cm on the oil drainage 
hose and pull out the plug.
3. Collect the oil in a collection vessel.
NOTE!...

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8.6 Belt transmissionsAfter 5 hours of operation, check that all the belts 
are intact and undamaged.
8.7 SteeringThe steering must be checked/adjusted after 5 
hours of operation and thereafter after 100 hours of 
operation.
8.7.1 Checks
Briefly turn the steering wheel back and forth. 
There must be no mechanical clearance in the 
steering chains.
8.7.2 Adjustment
Adjust the steering chains if required as follows:
1. Put the machine in the straight-ahead position.
2. Adjust the steering...

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3.  Dismantle the filter assembly (26:B). The pre-
filter is placed over the air filter. Make sure that 
no dirt gets into the carburettor. Clean the air fil-
ter housing.
4. Clean the paper filter by tapping it gently 
against a flat surface. If the filter is very dirty, 
replace it.
5. Clean the pre-filter. If the filter is very dirty, re-
place it.
6. Assemble in the reverse order.
Compressed air or petroleum-based solvents such 
as kerosene may not be used for cleaning the paper 
filter...

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12 ENVIRONMENT
For environmental reasons, we recommend that 
particular attention is given to the following 
points:
• Always use Alkylate petrol (“Environmental 
petrol“).
• Always use a funnel and/or a petrol can with 
overfill protection to avoid spillage when filling 
with petrol. 
• Do not fill the petrol tank right to the top. 
• Do not fill too much engine and/or transmission 
oil (see user instructions for the correct 
amount). 
• Collect up all oil during oil changes. Do not 
spill...

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1 GÉNÉRALITÉS
Ce symbole est un AVERTISSEMENT. 
Risque de blessure ou de dégât matériel 
en cas de non-respect des instructions.
Avant de démarrer la machine, lire at-
tentivement les instructions ainsi que 
les consignes contenues dans le fascicule 
« RÈGLES DE SÉCURITÉ » ci-joint.
1.1 SymbolesLes symboles suivants figurent sur la machine. Ils 
attirent votre attention sur les dangers et les 
mesures à respecter lors de l’utilisation et de la 
maintenance.
Explication des symboles :...