Husqvarna chainsaws This workshop manual provides a detailed description of procedures for trouble shooting, repair and testing of these chain saws. Safety precautionsthat should be taken during repair are also described. This workshop manual applies to the engine assembly in the following chain saws: Contents Introduction 3 Safety Regulations 4 Symbols 5 Technical Data 6 Service Tools 8 Trouble Shooting 10 Service Information 12 Safety Equipment 14 Starter 19 Electrical System 21 Centrifugal Clutch 26 Lubrication System 28 Carburettor 30 Tank Unit 38 Anti - Vibration System 40 Piston and Cylinder 41 Crankcase and Crankshaft 45