First Aid; Functional Description - Makita UC3020A Manual De Instrucciones

First aid

Do not work alone. Always work within shouting
distance of a second person.
1. Always keep a first-aid box to hand. Replace any
items taken from it immediately.
2. Should you request assistance in the event of an
accident, state the following:
• Where did the accident happen?
• What happened?
• How many persons are injured?
• What injuries do they have?
• Who is reporting the accident?
NOTE:
Individuals with poor circulation who are exposed to
excessive vibration may experience injury to blood
vessels or the nervous system.
Vibration may cause the following symptoms to occur in
the fingers, hands or wrists: "Falling asleep "(numbness),
tingling, pain, stabbing sensation, alteration of skin colour
or of the skin.
If any of these symptoms occur, see a physician!
SAVE THESE INSTRUCTIONS.
WARNING:
DO NOT let comfort or familiarity with product (gained
from repeated use) replace strict adherence to safety
rules for the subject product. MISUSE or failure to
follow the safety rules stated in this instruction
manual may cause serious personal injury.

FUNCTIONAL DESCRIPTION

CAUTION:
• Always be sure that the tool is switched off and
unplugged before adjusting or checking function on the
tool.
Switch action (Fig. 5)
CAUTION:
• Before plugging in the tool, always check to see that
the switch trigger actuates properly and returns to the
"OFF" position when released.
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.
(Fig. 6)
To prevent the switch trigger from being accidentally
pulled, a lock-off button is provided.
To start the tool, depress the lock-off button and pull the
switch trigger.
Release the switch trigger to stop.
ASSEMBLY
CAUTION:
• Always be sure that the tool is switched off and
unplugged before carrying out any work on the tool.
12
Installing or removing saw chain
CAUTION:
• Always be sure that the tool is switched off and
unplugged before installing or removing the saw chain.
• Always wear gloves when installing or removing the
saw chain.
1. To remove the saw chain, move the lever in the
upright position. (Fig. 7)
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. (Fig. 8)
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. 9)
9. Place the sprocket cover on the chain saw so that the
hook at its back cover is inserted into a hole in the
chain saw and the adjusting pin is positioned in a
small hole in the guide bar. (Fig. 10)
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. 11)
Adjusting saw chain tension (Fig. 12)
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.
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. (Fig. 16)
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.