Makita DUC307 Manual De Instrucciones página 15

Switch action
WARNING:
For your safety, this tool is
equipped with the lock-off button which prevents
the tool from unintended starting. Never use the
tool if it starts when you pull the switch trigger
without pressing the lock-off button. Ask your local
Makita Service Center for repairs.
WARNING:
Never disable the lock function or
tape down the lock-off button.
CAUTION:
Before installing the battery car-
tridge into the tool, always check to see that the
switch trigger actuates properly and returns to
the "OFF" position when released.
NOTICE:
Do not pull the switch trigger forcibly
without pressing the lock-off button. The switch
may break.
► Fig.5: 1. Lock-off button 2. Switch trigger
To prevent the switch trigger from being accidentally
pulled, a lock-off button is provided. To start the tool,
press the lock-off button and pull the switch trigger.
Release the switch trigger to stop.
Checking the chain brake
CAUTION:
Hold the chain saw with both
hands when switching it on. Hold the rear handle
with your right hand, the front handle with your
left. The bar and the chain must not be in contact
with any object.
CAUTION:
Should the saw chain not stop
immediately when this test is performed, the
saw may not be used under any circumstances.
Consult our authorized service center.
1. Press the lock-off button, then pull the switch
trigger. The saw chain starts immediately.
2. Push the front hand guard forwards with the back
of your hand. Make sure that the chain saw comes to an
immediate standstill.
► Fig.6: 1. Front hand guard 2. Unlocked position
3. Locked position
Checking the run-down brake
CAUTION:
If the saw chain does not stop
within one second in this test, stop using the
chain saw and consult our authorized service
center.
Run the chain saw then release the switch trigger com-
pletely. The saw chain must come to a standstill within
one second.
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.
CAUTION:
Do not touch the saw chain with
bare hands. Always wear gloves when handling
the saw chain.
Installing or removing saw chain
CAUTION:
The saw chain and the guide bar
are still hot just after the operation. Let them cool
down enough before carrying out any work on
the tool.
CAUTION:
Carry out the procedure of install-
ing or removing saw chain in a clean place free
from sawdust and the like.
Installing the saw chain
To install the saw chain, perform the following steps:
1. Release the chain brake by pulling the front hand
guard.
2.
Pull the lever up while pressing its edge.
► Fig.7: 1. Lever
3. Turn the lever counterclockwise until the sprocket
cover comes off.
► Fig.8: 1. Lever 2. Sprocket cover
4. Remove the sprocket cover.
5. Check the direction of the saw chain. Match the
direction of the saw chain with that of the mark on the
chain saw body.
► Fig.9: 1. Mark on chain saw body
6. Fit one end of the saw chain on the top of the
guide bar.
7. Fit the other end of the saw chain around the
sprocket, then attach the guide bar to the chain saw
body.
► Fig.10: 1. Sprocket
8. Turn the adjusting dial to "-" direction to slide the
adjusting pin in the direction of arrow.
► Fig.11: 1. Adjusting dial 2. Adjusting pin
9. Place the sprocket cover on the chain saw so that
the adjusting pin is positioned in a small hole on the
guide bar.
► Fig.12: 1. Sprocket cover 2. Guide bar 3. Hole
10. Turn the lever clockwise fully and turn back the
lever a little to keep looseness for adjusting the chain
tension.
11. Adjust the chain tension. Refer to the section for
adjusting saw chain tension for procedure.
12. Turn the lever clockwise until the sprocket cover is
secured then return it to the original position.
► Fig.13: 1. Lever 2. Sprocket cover
15 ENGLISH