(1) Tensioner screw
(2) Loosen
(3) Tighten
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.
[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)
(1) Nut assembly
(2) Chain cover
(3) Loosen
(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.
(2)(1)
(3)(1) Moving direction
(4) (2) Sprocket of the clutch drum
(3) Guide bar
(4) Sprocket of the bar
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.
(3) | (1) Projection A |
|
(2) Projection B
(3) Projection C
(1)
G3300 / G3300EZ
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 | G |
nut assembly and fix the bar and chain cover. (You | |
can fix them even by tightening the lever.) | B |
Check if the saw chain fits on the bar rail. If not, |
|
readjust by loosen the nut assembly. |
|
(3)
(1) Nut assembly
(2) Chain cover
(3) Lever
(2) (1) | (4) Proper tension, |
No gap
(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}
(3)
| (1) |
|
(2) | (1) | Lever |
| ||
| (2) | Bar protector |
| (3) | Fully tighten |
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)
(1) Loosen | (2) Bar protector |
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.
GB-7
(2)
