Switch Action; Adjusting Saw Chain Tension; Operation - Makita UC3041A Instruction Manual

ASSEMBLY
CAUTION:
Always be sure that the tool is switched off and
•
unplugged before carrying out any work on the
tool.
Removing or installing saw chain
CAUTION:
Always wear gloves when installing or removing
•
the saw chain.
To remove the saw chain, perform the following steps:
1. Press and fully open the lever until it stops.
Fig.1
2. Turn the lever counterclockwise to loosen the
sprocket cover until it comes off.
3. Turn the adjusting dial to "-" direction to release
the saw chain tension.
Fig.2
4. Remove the sprocket cover.
5. Remove the saw chain and guide bar from the
chain saw.
To install the saw chain, perform the following steps:
6. Make sure the direction of the chain. The arrow
mark on the chain shows the direction of the
chain.
Fig.3
7. Fit in one end of the saw chain on the top of the
guide bar and the other end of it around the
sprocket.
8. Rest the guide bar in place on the chain saw.
9. Align the tension slide with the hole of the guide
bar.
Fig.4
10. Holding the guide bar, and turn the adjusting dial
to "+" direction to adjust the saw chain tension.
11. Place the sprocket cover so that the hooks fit
alongside the holes and the pin fits its counterpart
on the sprocket cover.
Fig.5
12. Turn the lever clockwise to secure the sprocket
cover.
Fig.6
13. Press and return the lever to its original position.

Adjusting saw chain tension

The saw chain may become loose after many hours of
use. From time to time check the saw chain tension
before use.
1. Press and fully open the lever until it clicks. Turn
it counterclockwise a little to loosen sprocket
cover lightly.
Fig.7
2. Lift up the guide bar tip slightly.
Fig.8
3. Turn the adjusting dial to adjust the saw chain
tension. Tighten the saw chain until the lower side
of the saw chain fits in the guide bar rail (see circle).
4. Keep holding the guide bar lightly, tighten the
sprocket cover after adjusting the chain tension.
Make sure that the saw chain does not loose at
lower side.
5. Press and return the lever to its original position.
Fig.9
Make sure the saw chain fits snugly against the lower
side of the bar.
CAUTION:
Do not tighten the saw chain too much.
•
Excessively high tension of saw chain may cause
breakage of saw chain, wear of the guide bar and
breakage of the adjusting dial.
A chain which is too loose can jump off the bar,
•
and therefore presents an accident risk.
Carry out the procedure of installing or removing
•
saw chain in a clean place free from sawdust and
the like.
Engaging extension cord
CAUTION:
Make sure that the extension cord is unplugged to
•
the mains outlet.
Fig.10
When engaging the extension cord, secure it to the
chain saw's cord with the cord hook.
Attach the cord hook about 100 - 200 mm from the
extension cord
unintentional disconnection.

OPERATION

Switch action

Fig.11
CAUTION:
Always be sure that the tool is switched off and
•
unplugged before checking function on the switch
trigger.
Before plugging in the tool, always check to see
•
that the switch trigger actuates properly and
returns to the "OFF" position when released.
Fig.12
NOTE:
Do not turn on and off too often within a short time
•
(five seconds or less). The temperature inside the
tool will rise and may cause the tool damage. The
time varies by atmosphere temperature and other
conditions.
12
connector. This helps prevent