Snow Joe iON8PS 40-Volt Cordless 8-Inch Pole Chain Saw - Manual (Page 10)

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2. Remove the guide bar and chain from the mounting
surface (Fig. 3).
3. Remove the old chain from the bar.
4. The big gear that controls the chain tension comes
pre-installed on the original guide bar, when replacing the
guide bar, remove it off the old guide bar and reinstall it on
the new guide bar (Fig. 4).
5. Lay out the new saw chain in a loop and straighten any
kinks. THE SHARP SIDE OF THE TEETH MUST FACE
AWAY FROM YOU IN THE DIRECTION OF THE CHAIN
ROTATION INDICATED ON THE GUIDE BAR . If
the teeth face backwards, turn the loop over (Fig. 5).
6. Starting at the tip, mount the chain drive links into the
bar groove, leaving a loop at the back of the bar. The
chain will loosely fit until it is placed on the sprocket.
(Figs. 6 & 7)
NOTE: Make certain of the direction of the chain .
If the chain is mounted backwards, the saw will vibrate
abnormally and will not cut.
7. Hold the chain in position on the bar and place the loop
around the sprocket. Fit the bar flush against the mounting
surface so that the bar stud is in the long slot of the bar
and the adjusting pin is in the chain tension pin hole
(Fig. 8)
30
º
0º
Fig. 3
Guide bar
Chain
Fig. 4
30
º
0º
Big gear
Guide bar
Fig. 5
Chain rotation
Sharp cutting edge
Chain drive link
Fig. 6
Fig. 7
Loop
30
º
0º
Fig. 8
Sprocket
Bar stud
Chain tension pin hole
(with chain adjusting pin)