Product Manual

12
Operation
Fuel and lubricant
 Fuel is a mixture of regular grade petrol and an air-cooled 2-stroke engine oil of reputable
brand name.
Minimum 89 Octane unleaded petrol is recommended.
Do not use fuel containing methyl alcohol or more than 10 % of ethyl alcohol.
 Recommended mixture ratio; 50 : 1 (2 %) for ISO-L-EGD Standard (ISO/CD 13738), JASO
FC, FD grade and ECHO Premium 50 : 1 oil or 25 : 1 (4 %) for JASO FB grade oil.
- Do not mix directly in engine fuel tank.
- Avoid spilling petrol or oil.
Spilled fuel should always be wiped up.
- Handle petrol with care, it is highly inflammable.
- Always store fuel in approved container.
Chain lubricant
Proper lubrication of the chain while in operation reduces the friction between the chain and
the guide bar to a minimum and assures a longer life time.
Use only special chain oil of high quality for this purpose.
Do not use any waste or reclaimed oil to avoid various problems with the oil pump.
In case of emergency, it is allowed to use motor oil for a short time.
SAE 30...in summer
SAE 10...in winter or for the cutting of wood with a high resin content
Winter operation
1. Cylinder cover
2. Plug
3. Cold weather "storage" position
4. Warm weather position
Use the plug to prevent carburettor troubles in winter.
 Release the cylinder cover latch and remove the cylinder cover.
 Remove the plug from warm weather position, and install into cold weather "storage"
position.
 For operation at normal temperature, return the plug to its original place.
CAUTION
Whenever opening up the fuel tank, always loosen the cap very slowly and wait for
the tank pressure to be equalized before removing the cap.
NOTE
 For operation at normal temperature, return the plug of the cylinder cover to its original
place.
 Failing to do so will cause the engine to be overheated.
 The plug should be installed to the "storage" position when the outside air temperature is
5 ºC or lower.