67
NOTE! All the chain links must lie properly in the guide groove of the cutter bar.
Notes on tensioning the chain:
- The chain must be properly tensioned to ensure safe operation.
- When the saw chain can be raised by around 2 mm in the middle of the cutter bar, you
know that the chain tension is ideal.
- During cutting, the temperature of the chain rises and its length changes. It is important
therefore to check the chain tension at least every 10 minutes and to adjust it again as
required. This applies in particular to new saw chains. When you have finished working,
slacken the chain again as it will shorten when it cools down. This will help to prevent
damage to the chain.
OPERATION
Fuel and oil
Recommended fuels:
- Use only a mixture of unleaded petrol and special 2-stroke engine oil. Mix the fuel mix-
ture as indicated in the ‘fuel mixing table’.
- Pour the correct quantities of petrol and 2-stroke oil into the mixing bottle (see scale
printed on the bottle). Then shake the bottle well.
- Never use oil for 4-cycle engine or use water cooled 2-cycle engine. It can cause spark
plug fouling exhaust part blocking or piston ring sticking.
- Mixed fuels, which have been left unused for a period of one month or more, may clog
the carburetor or result in the engine foiling to operate property. Put remained fuel into
an airtight container and keep it in the dark and cool room.
NOTE: Do not use a fuel mixture which has been stored for longer than 90 days.
NOTE: Never use 2-stroke oil with a recommended mixing ratio of 100:1. The man-
ufacturer’s warranty will be voided in case of engine damage due to inadequate
lubrication.
NOTE: Only use containers designed and approved for the purpose to transport
and store fuel.
Fuel mixing table
Mixing procedure: 40 parts petrol to 1 part oil
Example:
- 1 l Petrol : 0,025 l 2-stroke oil
- 5 l Petrol : 0,125 l 2-stroke oil
WARNING! Take care of the emission of exhaust gases. Always shut off engine
before fueling. Never add fuel to a machine with a running or hot engine. Take
care of fire!
Filling with fuel. Fig. 19
WARNING! Danger of injury! Fuel is explosive! Turn off and cool the motor down
before filling the tank with fuel. You must observe all safety instructions relating
to handing fuel.
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