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G3300 / G3300EZ
GB-7
G
B
[G3300EZ]
1. Pull the guard towards the front handle to check that
the chain brake is not engaged.
2. Loosen the nut assembly and dismount the chain
cover.
(1)
(2)
(3)
3. Set the guide bar to the power unit, gear the chain
to the sprocket of clutch drum and fit it into the groove
of the bar and the sprocket at the tip of the bar.
• Pay attention to the correct direction of the
saw chain.
• Make sure to fit the chain into the groove
of the bar and the sprocket. If not, you may
fail to tighten the chain.
(1)
(2)
(3)
(4)
4. Move the guide bar back and forth to adjust the po-
sition of projection A, B and C to fit in each hole. By
inserting the projections into the bottom of holes,
attach the chain cover securely.
(1)
(2)
(3)
(1) Tensioner screw
(2) Loosen
(3) Tighten
(1) Nut assembly
(2) Chain cover
(3) Loosen
(1) Moving direction
(2) Sprocket of the
clutch drum
(3) Guide bar
(4) Sprocket of the bar
6. Tighten the nut 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 nec-
essary, readjust with the chain cover loose.
7. Tighten the tensioner screw.
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.
While temporary tightening, you may hear the
“click” sound. But do not stop tightening at
that time. This sound does not mean that the
saw chain and guide bar were assembled.
5. While holding the chain cover, temporary tighten the
nut assembly and fix the bar and chain cover. (You
can fix them even by tightening the lever.)
Check if the saw chain fits on the bar rail. If not,
readjust by loosen the nut assembly.
(1)(2)
(3)
(4)
(4)
6. After fixing them, attach the bar protector for your
safety.
Pull the lever up and tighten it securely.
Tightening torque:
7.9 ~ 12.8 N·m {80~130kgf-cm}
(1)
(2)
(3)
7. If the chain becomes loose while using the unit, at-
tach the bar protector and loosen the nut assembly
around 4 turns.
Dismount the protector and check if the chain fits
on the bar rail. If not, readjust by loosen the nut as-
sembly.
Temporary tighten the nut assembly. The chain is to
be tensioned automatically. After fixing the guide bar,
mount the protector and tighten the lever securely
for fully tightening.
(1)
(2)
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 itself and the guide bar.
• Replace the guide plate when its file is worn.
(1) Projection A
(2) Projection B
(3) Projection C
(1) Nut assembly
(2) Chain cover
(3) Lever
(4) Proper tension,
No gap
(1) Lever
(2) Bar protector
(3) Fully tighten
(1) Loosen (2) Bar protector