Makita BUC250 Instruction Manual page 13

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,
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.
wear of the guide bar
Battery adapter (Accessory)
3
1. Battery cartridge
2. Button
3. Adapter
4. Hook
5. Tool
011636
Fig.16
CAUTION:
Before using battery adapter, read all instructions
•
on tools using battery.
When charging a battery cartridge, first remove it
•
from the battery adapter and then charge it. It is
not allowed to charge the battery cartridge while
using battery adapter.
Installing or removing battery adapter
Always switch off the tool before insertion or
•
removal of the battery adapter.
To remove the battery adapter, slide it from the
•
tool while sliding the button on the adapter.
To install the battery adapter, align the tongue on
•
the battery adapter with the groove in the housing
and slip it into place. Insert it all the way until it
locks in place with a little click. If you can see the
red indicator on the upper side of the button, it is
not locked completely.
CAUTION:
Always install the battery adapter fully until the red
•
indicator cannot be seen. If not, it may accidentally
fall out of the tool, causing injury to you or
someone around you.
Do not install the battery adapter forcibly. If the
•
adapter does not slide in easily, it is not being
inserted correctly.
The way of removing or installing a battery
•
cartridge from or on the battery adapter is the
same as that of removing or installing it from or on
the tools.
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