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G2500
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GB-9
5. Fit the chain tensioner nut into the lower hole of the
guide bar, then install the chain cover, and fasten
the mounting nut to finger tightness.
When installing the chain cover, be sure to fit
the hook completely at the rear end of the cover.
6. 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.
7. Tighten the nuts securely with the bar tip held up
(11.8-14.7 N.m./120-150 kg-cm). Then check the
chain for smooth rotation and proper tension while
moving it by hand. If necessary, readjust with the
chain cover loose.
8. Tighten the tensioner screw.
A new chain will expand its length in the be-
ginning of use. Check and readjust the ten-
sion frequently as a loose chain can easily
derail or cause rapid wear of itseif and the
guide bar.
Open the box and install the guide bar and the saw
chain on the power unit as follows:
The saw chain has very sharp edges. Use
thick protective gloves for safety.
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. Fix the hanger on the rear of power unit by screw.
4. Mount the guide bar then fit the saw chain around
the bar and sprocket.
Note: Pay attention to the correct direction of the saw chain.
3. Installing Guide Bar and Saw Chain
A standard saw unit package contains the items as illustrated.
Chain tensioner nut
Moving direction
Hole
Chain cover
Power unit
Bar protector
Guide bar
Saw chain
Plug wrench
Screwdriver for
carburetor adjustment
Hanger
Tensioner screw
Loosen
Tighten
Tighten