Intended use Product description This product is intended for sawing in wood. The Husqvarna 120 is a chainsaw model with a combustion engine. Note: National regulations can set limit to the operation Work is constantly in progress to increase your safety of the product.
yyyywwxxx The rating plate shows serial number. yyyy Note: Other symbols/decals on the product refer to is the production year and ww is the produc- certification requirements for some markets. tion week. Safety Safety definitions dealer or an experienced chainsaw user. Do not attempt any task that you feel unsure of! Warnings, cautions and notes are used to point out Safety instructions for operation...
Do not • Lack of concentration can lead to kickback if the hesitate to contact your dealer or Husqvarna if you kickback zone of the bar accidentally touches a have any questions about the use of the product. We branch, nearby tree or some other object.
Chain brake and front hand guard Muffler Your product has a chain brake that stops the saw chain WARNING: The muffler becomes very hot if you get a kickback. The chain brake decreases the during/after operation and at idle speed. risk of accidents, but only you can prevent them.
your body that has come in contact with fuel. Use • Only use the guide bar/saw chain combinations and soap and water. filing equipment that we recommend. Refer to Accessories on page 27 for instructions. • If the product leaks fuel. Regularly do a check for leaks from the fuel tank, fuel cap and fuel lines.
For best results and performance use Husqvarna the product two-stroke oil. • If Husqvarna two-stroke oil is not available, use a 1. Make sure that the chain brake operates correctly two-stroke oil of good quality for air-cooled engines. and that it is not damaged.
Will the hand always engage the chain brake during a kickback? • Use Husqvarna chain oil for maximum saw chain life No. It is necessary to use some force to push the and to prevent negative effects on the environment.
near the guide bar, it is possible that the chain brake 4. Pull the starter rope handle slowly with your right does not have time to stop the saw chain before it hand until you feel resistance. hits you. WARNING: Do not twist the starter rope WARNING: Only you and the correct around your hand.
To use the cutting technique WARNING: Stop the engine if the saw chain gets caught in the trunk. Use a lever to open up the kerf and remove the product. Do not WARNING: Use full throttle when you cut try to pull the product out by hand. This can result in injury when the product suddenly and decrease to idle speed after each cut.
2. Make sure that no person is in the risk zone before To fell a tree or during felling. (Fig. 60) Husqvarna recommends you to make the directional To calculate the felling direction cuts and then use the safe corner method when you fell 1.
(Fig. 67) (Fig. 74) The safest procedure is to use one of the following WARNING: Be careful when you cut with the winches: guide bar tip. Start to cut with the lower section of the guide bar tip as you make a •...
Maintenance schedule Daily maintenance Weekly maintenance Monthly maintenance Clean the external parts of the prod- Clean the cooling system. Refer to Do a check of the brake band. Refer To clean the cooling system on page To do a check of the brake band uct and make sure that there is no oil 24 .
Daily maintenance Weekly maintenance Monthly maintenance Make sure that there is no damage on the right hand guard. Make sure that the muffler is correct- ly attached, has no damages and that no parts of the muffler are miss- ing. Clean or replace the air filter.
To examine if the carburetor is correctly To do a check of the start/stop switch adjusted 1. Start the engine. 2. Push the start/stop switch to the STOP position. The • Make sure that the product has the correct engine must stop. (Fig. 26) acceleration capacity.
Replace a worn or damaged guide bar or saw chain with To clean the air filter the guide bar and saw chain combination recommended by Husqvarna. This is necessary to keep the safety Clean the air filter regularly from dirt and dust. This Accessories on page functions of the product.
It is not easy to sharpen a saw chain correctly without 1. Use a flat file and a depth gauge tool to adjust the the correct equipment. Use Husqvarna file gauge. This depth gauge setting. Only use Husqvarna depth will help you to keep maximum cutting performance and gauge tool to get the correct depth gauge setting and the kickback risk at a minimum.
1. Make sure that there are no cracks in rivets and links and that no rivets are loose. Replace if it is CAUTION: Contamination in the tanks necessary. (Fig. 120) causes malfunction. 2. Make sure that the saw chain is easy to bend.
Product part to examine Possible cause Action Fuel tank Incorrect fuel type. Drain the fuel tank and fill with cor- rect fuel. The fuel tank is filled with chain oil. If you have tried to start the product, speak to your servicing dealer. If you have not tried to start the product, drain the fuel tank.
CAUTION: If the saw chain and guide 4. Do a complete servicing of the product. bar are not cleaned, they can become rigid or blocked. Technical data Husqvarna 120 Engine Cylinder displacement, cm Idle speed, rpm 2700-3300 Maximum engine power acc. to ISO 7293, kW/hp @ rpm 0.5/0.67@5000...
If you are not sure how to identify the type of saw chain on your product, refer to www.husqvarna.com for more Use a Husqvarna file gauge to sharpen the saw chain. A information. Husqvarna file gauge makes sure that you get the correct filing angles.