Operation - Makita BUC250 Bedienungsanleitung

Carabiner (rope attachment point)
1
1. Carabiner (rope attachment point)
011458
Carabiner (Rope attachment point) is for use of tool
hanging. Before using carabiner, pull it out and tie it with
a rope.
ASSEMBLY
CAUTION:
Always be sure that the tool is switched off and the
•
battery cartridge is removed before carrying out
any work on the tool.
Installing or removing saw chain
CAUTION:
Always be sure that the tool is switched off and the
•
battery cartridge is removed before installing or
removing the saw chain.
Always wear gloves when installing or removing
•
the saw chain.
1. To remove the saw chain, slightly slide the lever in
the direction of arrow so that it can be released
from the locked position and move the lever in the
upright position as shown in the figure.
Fig.5
Fig.6
2. Press the lever and with the lever pressed in, turn
it counterclockwise to loosen the nut until sprocket
cover comes off. (Pressing in the lever leads to
the fitting of lever into the nut.)
3. Turn the adjusting dial counterclockwise to
release the saw chain tension.
4. Remove the sprocket cover.
5. Remove the saw chain and guide bar from the
chain saw.
6. To install the saw chain, fit in one end of the saw
chain on the top of the guide bar and the other
end of it around the sprocket.
Downloaded from www.Manualslib.com manuals search engine
Fig.7
At this time, fit the saw chain as shown in the figure
because it rotates in the direction of arrow.
7. Rest the guide bar in place on the chain saw
8. Turn the adjusting dial counterclockwise to slide
the adjusting pin in the direction of arrow.
Fig.8
9. Place the sprocket cover on the chain saw so that
the adjusting pin is positioned in a small hole in
the guide bar.
Fig.9
10. Press in the lever and with the lever depressed
turn it fully clockwise to tighten the nut. Then
make it about a quarter turn counterclockwise to
loosen the nut lightly.
Fig.10
Adjusting saw chain tension
Fig.11
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.
Fig.12
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.)
Fig.13
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.
Fig.14
With the lever depressed, turn it fully clockwise to tighten
the nut firmly.
Fig.15
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.

OPERATION

Lubrication
Fig.16
Saw chain is automatically lubricated when the tool is in
operation.
11