Ranger 39 (YD-KU03-38) & Ranger 46 (YD-KU01-45A)
3. Installing Guide Bar and saw Chain
A stand saw unit package contains the items as illustrated.
Open the box and install the guide bar and the
saw chain on the power unit as follows:
The saw chain haw very sharp edges.
Use thick protective gloves for safety.
8. Pull the guard towards the front handle to
check that the chain brake is not engaged.
9. Loosen the nuts and remove the chain cover.
10.
Gear the chain to the sprocket and, while
fitting the saw chain around the guide bar,
mount the guide bar to power unit . Adjust the
position of chain tensioner nut on the chain
cover to the lower hole of guide bar.
11.
Fit the chain cover to the power unit and
fasten the nuts to finger tightness.
12.
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.
13.
Tighten the nuts securely with the bar tip
held up (12~15N.m). Then check the chain
for smooth rotation and proper tension while
moving it by hand . If necessary, readjust with
the chain cover loose.
14.
Tighten the tensioner screw.
Note: A new chain will expand is length in the
beginning of use. Check and readjust the
tension frequently as a loose chain can easily
derail or cause rapid wear of itself and the
guide bar.
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