Jonsered 50C, 70C manual Contents

CONTENTS

Contents
KEY TO SYMBOLS
Key to symbols	2
CONTENTS
Contents	3
Before using a new chain saw	3
SAFETY INSTRUCTIONS
Personal protective equipment	5
Machine′s safety equipment	5
Checking, maintaining and servicing the machine′s
safety equipment	8
Cutting equipment	10
How to avoid kickback	15
General safety precautions	17
General working instructions	18
WHAT IS WHAT?
What is what on the chain saw?	24
ASSEMBLY
Fitting the bar and chain	25
FUEL HANDLING
Fuel	26
Chain oil	26
Fuelling	27
STARTING AND STOPPING
Starting and stopping	28
MAINTENANCE
Carburettor	30
Starter	31
Air filter	32
Spark plug	32
Muffler	32
Needle bearing lubrication	33
Adjustment of the oil pump	33
Cooling system	33
Centrifugal cleaning “Turbo”	33
Heated handles	34
Electrical carburettor heating	34
Winter use	34
Daily maintenance	35
Weekly maintenance	35
Monthly maintenance	35
TECHNICAL DATA
Technical data	36
FEDERAL EMISSION CONTROL WARRANTY
STATEMENT
YOUR WARRANTY RIGHTS AND OBLIGATIONS	38

Before using a new chain saw

•Please read the operator’s manual carefully and make sure you understand the instructions before using the machine.

•Check that the cutting equipment is correctly fitted and adjusted. See instructions under the heading Assembly.

•Refuel, start the chain saw and check the carburettor settings. See the instructions under the headings Fuel Handling, Starting and Stopping, and Carburettor.

•Do not use the chain saw until sufficient chain oil has reached the chain. See instructions under the heading Lubricating cutting equipment.

IMPORTANT! If the carburettor mixture is too lean it greatly increases the risk of engine failure. Poor maintenance of the air filter will cause carbon build-up on the spark plug and lead to starting difficulties. If the chain is improperly adjusted it will cause increased wear or damage to the bar, drive sprocket and chain.

Maintenance, replacement, or repair of the emission control devices and system may be performed by any nonroad engine repair establishment or individual.

WARNING! Under no circumstances may the

!design of the machine be modified without the permission of the manufacturer. Always use genuine accessories. Non-authorized modifications and/or accessories can result in serious personal injury or the death of the operator or others. Your warranty may not cover damage or liability caused by the use of non-authorized accessories or replacement parts.

WARNING! A chain saw is a dangerous tool

!if used carelessly or incorrectly and can cause serious, even fatal injuries. It is very important that you read and understand the contents of this operator’s manual.

WARNING! The inside of the muffler contain

!chemicals that may be carcinogenic. Avoid contact with these elements in the event of a damaged muffler.

WARNING! Long term inhalation of the

!engine’s exhaust fumes, chain oil mist and dust from sawdust can represent a health risk.

English – 3