Jonsered 625, 630, 670

108 87 07-26

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Contents

Main Symbols on the chain saw: KEY TO SYMBOLS Symbols in the operators manual: CONTENTS ! Contents Key to symbols .................................................... 2 Safety instructions What is what? Assembly ! What is what? PERSONAL PROTECTIVE EQUIPMENT 1 Chain brake and front hand guard C D 2 Throttle lock 3 Chain catcher Assembly General working instructions 4 Right hand guard ! 6 Stop switch 7 Muffler Inspecting, maintaining and servicing chain saw safety 8 Inspecting, maintaining and servicing chain saw safety equipment 1 Chain brake and front hand guard 1 Checking brake band wear 4 Checking the brake trigger 2 Checking the front hand guard 4 Right hand guard 5 Vibration damping system Maintenance 6 Stop switch 2 Throttle lock CUTTING EQUIPMENT The 5 basic rules C Some terms that describe the bar and chain Technical data Bar 1 Cutting equipment designed to minimise kickback Technical data A Bar B Saw chain 12 2 Sharpening your chain and adjusting raker clearance A General information on sharpening cutting teeth B Sharpening cutting teeth C General advice on setting raker clearance D Setting the raker clearance 3 Tensioning the chain 14 What is what 4 Lubricating cutting equipment A Chain oil B Filling with chain oil C Checking chain lubrication B D Lubricating the bar tip sprocket E Lubricating the clutch drum bearing F Checking wear on cutting equipment G Chain drive sprocket HOW TO AVOID KICKBACK What is kickback? Technical data. General rules GENERAL SAFETY PRECAUTIONS Technical data Assembly Maintenance Personal protective equipment GENERAL WORKING INSTRUCTIONS Important How to avoid kickback. 1 Basic safety rules 20 2 Basic cutting technique How to avoid kickback General Terms: There are five important factors you should consider before making a cut: ! 3 Tree felling technique A Safe distance B Felling direction 22 C Clearing the trunk and preparing your retreat D Felling DIRECTIONAL CUT FELLING CUT 4 Freeing a tree that has fallen badly = high accident risk A Freeing a Trapped tree B Cutting trees and branches that are in tension Preparations: WHAT IS WHAT? What is what? Mounting guide bar and chain ASSEMBLY Fitting a spike bumper Fuelmix Petrol Two-stroke oil FUEL HANDLING Chain oil FUEL HANDLING Fuelling Start and stop START AND STOP Start Cold engine Warm engine Stop Carburettor Functioning, Basic setting, Final setting H L Operation Starter device Starter device assembly Tensioning the recoil spring Changing the broken recoil spring Silencer Air filter B Needle bearing maintenance Spark plug Cooling system Winter use Temperature -5C or colder: Daily maintenance Monthly maintenance 34 Bar and chain combinations *xfh6r Noise levels Vibration levels Chain/bar TECHNICAL DATA