G2501 / G2501 OPS
GB-8
Open the box and install the guide bar and the saw
chain on the power unit as follows:
WARNING
The saw chain has very sharp edges. Use thick pro-
tective 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.
Hanger
4. Mount the guide bar then fit the saw chain around
the bar and sprocket.
Chain tensioner nut
Hole
Chain cover
NOTE
Pay attention to the correct direction of the saw chain.
Moving direction
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.
WARNING
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.
Tensioner screw
Loosen
Tighten
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.
Tighten
8. Tighten the tensioner screw.
WARNING
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.
3. Installing Guide Bar and Saw Chain
Plug wrench
File
Grip
Choke knob
Throttle lever
Engine switch
Saw chain
Bag
Guide bar
Muffler
Air cleaner cover
Chain catcher
Chain cover
A standard saw unit package contains the items as illustrated.
Screwdriver for
carburetor adjustment
Bar protector
Guide bar
Saw chain
*01_G2501 G2501ops_GB_CS5_六.indd 8
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