McCulloch B28 PS Operator's Manual download pdf (Page 13)

English--- 13

115432326 Rev. 4 2/17/12

FUEL HANDLING

Petrol

CAUTION! Always use a quality petrol/oil

mixture at least 90 octane (RON). If your

machine is equipped with a catalytic con-

verter (see chapter on Technical data)

always use a good quality unleaded petrol/

oil mixture. Leaded petrol will destroy the

catalytic converter.

Use low--emission petrol, also known as

alkylate petrol, if it is available.

S The lowest octane recommended is 90.

If you run the engine on a lower octane

than 90, it can result in knocking. This

gives rise to a high engine temperature and

increased bearing load, which can result in

serious engine damage.

S When working at continuous high revs, a

higher octane rating is recommended.

Two -- stroke oil

S For best results and performance, use

Universal Outdoor Accessories two-

stroke oil, which is specially formulated

for our two--stroke engines.

S Never use two--stroke oil intended for

water--cooled outboard engines, some-

times referred to as outboard oil (rated

TCW).

S Never use oil intended for four--stroke

engines.

S A poor oil quality and/or too high oil/fuel

ratio may jeapordise function and decrease

the lifetime of catalytic converters.

Mixing ratio

1:50 (2%) with Universal Outdoor Acces-

sories two-stroke oil.

1:33 (3%) with oils class JASO FB or ISO

EGB formulated for air-cooled, two-stroke

engines.

Fuel safety

Never start the machine:

1. If you have spilled fuel on it. Wipe off the

spillage and allow remaining fuel to evapo-

rate.

2. If you have spilled fuel on yourself or your

clothes, change your clothes. Wash any

part of your body that has come in contact

with fuel. Use soap and water.

3. If the machine is leaking fuel. Check regu-

larly for leaks from the fuel cap and fuel

lines.

Transpor t and stor age

S Store and transport the machine and fuel

so that there is no risk of any leakage or

fumes coming into contact with sparks or

naked flames, for example, from electri-

cal machinery, electric motors, electrical

relays/switches or boilers.

S When storing and transporting fuel al-

ways use approved containers intended

for this purpose.

S When storing the machine for long peri-

ods the fuel tank must be emptied. Con-

tact your local petrol station to find out

where to dispose of excess fuel.

S Ensure the machine is cleaned and that

a complete service is carried out before

long--term storage.

S The transport guard must always be

fitted to the cutting attachment when the

machine is being transported or in stor-

age.

S In order to prevent unintentional starting

of the engine, the spark plug cap must

always be removed during long--term

storage, if the machine is not under

close supervision and when performing

all service measures.

S Secure the machine during transport.

Fuel

CAUTION! The machine is equipped with a

two--stroke engine and must always be run

using a mixture of petrol and two-stroke

engine oil. It is important to accurately mea-

sure the amount of oil to be mixed to ensure

that the correct mixture is obtained. When

mixing small amounts of fuel, even small

inaccuracies can drastically affect the ratio

of the mixture.

50,100,15

10 0,20 0,30

15 0,30 0,45

20 0,40 0,60

Petrol,

litre

Two -- stroke oil, litre

2% (1:50) 3% (1:33)

W ARNING: Fuel and fuel fumes

are highly inflammable and can

cause serious injury when inhaled

or allowed to come in contact with

the skin. For this reason observe

caution when handling fuel and

make sure there is adequate ven-

tilation.

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