12 ENGLISH6. Loosen the lock ring by turning the lock ring coun-terclockwise, then extend the pipe approximately 10 cmor more, and then tighten the lock ring by turning thelock ring clockwise.1 23Fig.12► 1. Lock ring 2. 10 cm or more 3. Pipe7. Insert the pipe into the head of the tool all the way,and then align the hole on the pipe with the hole on thehead of the tool.12Fig.13► 1. Hole 2. Pipe8. Tighten 2 bolts using the hex wrench.1Fig.14► 1. BoltInstalling or removing saw chainCAUTION: The saw chain and the guide barare still hot just after the operation. Let them cooldown enough before carrying out any work onthe tool.CAUTION: Carry out the procedure of install-ing or removing saw chain in a clean place freefrom sawdust and the like.Installing the saw chainTo install the saw chain, perform the following steps:1. Loosen the chain adjusting screw, then the retain-ing nut.2 31Fig.15► 1. Retaining nut 2. Chain adjusting screw3. Sprocket cover2. Remove the sprocket cover.3. Check the direction of the saw chain. Match thedirection of the saw chain with that of the mark on thetool body.1Fig.16► 1. Mark on chain saw body4. Fit one end of the saw chain on the top of theguide bar. Fit the other end of the saw chain around thesprocket. Make sure that the saw chain is properly fittedon the sprocket and properly fitted in the groove of theguide bar.