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

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3.3.3 Installing the battery
1. Open the engine casing and position the battery in the appropriate place. See fig. 5.
2. Secure the battery in position.
3. First connect the red cable to the battery’s  positive terminal (+).
4. Connect the black cable to the battery’s  negative terminal (-).
If the cables are interchanged, the 
generator and the battery will be 
damaged.
The engine must never be driven with 
the battery disconnected. There is a risk 
of serious damage to the generator and...

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4 DESCRIPTION
4.1 TRANSMISSION
4.1.1 4140H, 4155H
The machine is rear wheel drive.
The rear axle is equipped with a hydrostatic 
transmission with infinitely variable forward and 
reverse gear ratios.
The rear axle is also equipped with a differential to 
facilitate turning.
Front mounted tools are driven by drive belts.
4.1.2 4155H 4WD
The machine has 4-wheel drive. The power from 
the engine to the drive wheels is transferred 
hydraulically. The engine drives an oil pump, 
which pumps oil...

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4.4.5 Throttle and choke control (8:D)If the engine runs unevenly there is a 
risk that the control is too far forward 
so that the choke is activated. This 
damages the engine, increases fuel 
consumption and is harmful to the 
environment.
A control for setting the engine speed and to choke 
the engine when starting from cold.  1. Choke  – for starting a cold engine. The 
choke position is located at the front of the 
groove. 
Do not operate in this position when the 
engine is warm.
2....

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The quick connections allow the deck to be moved 
easily between the two positions:
 Normal position with fully tensioned belt.
 4 cm behind the normal position with slackened belt so that the deck gets closer to the base 
machine.
As the belt idler is released from the belt, the quick 
connections simplify belt and deck replacement, 
and also make shifting to the washing position and 
service positions easier.
Releasing the belt tension:
1. Remove the locking pins (12:G) from both  sides....

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6 STARTING AND OPERATION
The machine may not be operated 
unless the engine casing is closed and 
locked. Risk of burns and crushing 
injuries.
6.1 FILLING WITH PETROL (17:Q)Always use lead-free petrol. You must never use 2-
stroke petrol mixed with oil.
The tank holds 6 litres. The level can easily be read 
through the transparent tank.
NOTE! Ordinary lead-free petrol is a perishable 
and must not be stored for more than 30 days.
Environmental petrol can be used, i.e. alkylate 
petrol. This...

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6.4.2 Electrical safety checkThe operation of the safety system 
should always be checked every time 
before use.
6.5 START1.  Open the fuel cock. See 17:U.
2.  Check that the spark plug cable(s) is/are installed on the spark plug(s).
3.  Check to make sure that the power take-off is  disengaged. 
4. Do not keep your foot on the drive pedal. 
5. Starting cold engine – put the throttle control in  the choke position. 
Starting warm engine – put the throttle control 
at full throttle (approx....

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7 MAINTENANCE
7.1 SERVICEWe recommend that all service work is carried out 
by an authorised workshop. This guarantees that 
the work is performed by trained personnel and 
with genuine spare parts.
7.2 PREPARATIONAll service and all maintenance must be carried out 
on a stationary machine with the engine switched 
off.Prevent the machine from rolling by 
always applying the parking brake.
Stop the engine.
Prevent unintentional starting of the 
engine by disconnecting the spark plug...

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The oil plug will be damaged if it is 
tightened more to than 5 Nm. 
9.  Check that the gasket on the oil plug of the rear  axle is intact. See fig. 18:Y. Reinstall on the rear 
axle. Tighten the filter plug to 5 Nm.
10.Draw out the oil from the deeper section of the  reservoir using an oil extractor. See fig. 20.
11.Dispose of the oil according to local  regulations.
7.5.3 Filling The engine must never be run when the 
rear clutch release lever is pushed in 
and the front clutch release...

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If the cables are disconnected/
connected in the wrong order, there is a 
risk of a short-circuit and damage to the 
battery.
If the cables are interchanged, the 
generator and the battery will be 
damaged.
Tighten the cables securely. Loose 
cables can cause a fire.
The engine must never be driven with 
the battery disconnected. There is a risk 
of serious damage to the generator and 
the electrical system.
7.8.4 Cleaning
If the battery terminals are coated with oxide, they 
should be...

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7.12 LUBRICATIONAll lubrication points in accordance with the table 
below must be lubricated every 50 hours of 
operation as well as after every wash. 
7.13 FUSEIn the event of electrical faults, check/replace the 
fuse, 20 A. See 15, 16:S.
8 PATENT - DESIGN 
REGISTRATION
This machine or parts thereof is covered by the 
following patent and design registration:
SE9901091-0, SE9901730-3, SE9401745-6, 
US595 7497, FR772384, DE69520215.4, 
GB772384, SE0301072-5, SE04/000239 (PCT),...