F6-4

F6-5

F6-6

English

6. Installing guide bar and saw chain

1.Pull the guard towards the front handle to check that the chain brake is not engaged.

2.Loosen the nuts and remove the chain cover.

3.Gear the chain to the sprocket and, while fitting the saw chain around the guide bar, mount the guide bar to the power unit. Adjust the position of the chain tensioner. (F6-4)

(1)Tensioner nut

(2)Chain cover

NOTE

Pay attention to the correct direction of the saw chain. (F6-5)

(1) Moving Direction

4.Fit the chain cover to the power unit and fasten the nuts to finger tightness.

5.While holding up the tip of the bar, adjust the chain tension by turning the tensioner screw until the tie straps just touch the bottom side of the bar rail.

(F6-6)

6.Tighten the nuts securely with the bar tip held up (12~15 N·m). Then check the chain for smooth rotation and proper tension while moving it by hand. If necessary, readjust with the chain cover loose.

7.Tighten the tensioner screw.

(2)Loosen

(3)Tighten

(4)Tensioner screw

(5)Lift up

NOTE

A new chain will expand its length in the beginning of use. Check and readjust the tension frequently as a loose chain can easily derail or cause rapid wear of itseif and the guide bar.

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Zenoah GZ400 manual Tensioner nut Chain cover, Moving Direction, Loosen Tighten Tensioner screw Lift up