Adjusting Saw Chain Tension - Makita BUC250 Manuel D'instruction

Adjusting saw chain tension

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The saw chain may become loose after many hours of use.
From time to time check the saw chain tension before use.
Move the lever in the upright position.
1
2
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Press in the lever. With the lever depressed, make a
quarter turn on it counterclockwise to loosen the nut
lightly. (Pressing in the lever leads to the fitting of lever
into the nut.)
1
2
3
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Turn the adjusting dial to adjust saw chain tension. Grasp
the saw chain in the middle of the guide bar and lift up.
The gap between the guide bar and the tie strap of the
saw chain should be approx. 2 - 4 mm. If the gap is not
approx. 2 - 4 mm, slightly turn the adjusting dial which
secures the guide bar. At this time, adjust with the tip of
guide bar slightly pointing up.
1
2
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1. Lever
1
1. Press in
2. Loosen
1. Low
2 - 4 mm
2. High
3. Adjusting dial
4. Guide bar
5
5. Saw chain
4
1. Press in
2. Tighten
With the lever depressed, turn it fully clockwise to tighten
the nut firmly.
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Return the lever to its original position.
CAUTION:
Excessively high tension of saw chain may cause
•
breakage of saw chain, wear of the guide bar and
breakage of the adjusting dial.
Installing or removing saw chain should be carried
•
out in a clean place free from sawdust and the like.
Battery adapter (Accessory)
3
1. Battery cartridge
2. Button
3. Adapter
4. Hook
5. Tool
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1
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10
1
5
2
3
1. Hook
2. Belt
2
2
4