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: Husqvarna 334T/338XPT/336/339XP Contents 1. Introduction 3 2. Safety Instructions 4 3. Symbol Explanation 5 4. Technical Data 6 5. Tools 8 6. Trouble Shooting 10 7. Service Data 334T/338XPT 12 8. Service Data 336/339XP 14 9. Safety Equipment 16 10. Starter 23 11. Ignition System 25 12. Centrifugal Clutch 27 13. Carburettor 29 14. Tank Unit 41 15. AV - System 46 16. Crankshaft, Piston and Cylinder 47 17. Bar Bolt 51 18. Oil Pump 52