Makita DUC303 Betriebsanleitung Seite 14

Switch action
WARNING:
For your safety, this tool is
equipped with lock-off lever which prevents the
tool from unintended starting. NEVER use the tool
if it runs when you simply pull the switch trigger
without pressing the lock-off lever. Return the
tool to our authorized service center for proper
repairs BEFORE further usage.
WARNING:
NEVER tape down or defeat pur-
pose and function of lock-off lever.
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 hard with-
out pressing the lock-off lever. This can cause
switch breakage.
To prevent the switch trigger from being accidentally
pulled, a lock-off lever is provided. To start the tool,
depress the lock-off lever and pull the switch trigger.
Release the switch trigger to stop.
► Fig.7: 1. Switch trigger 2. Lock-off lever
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.
Press the lock-off lever, then pull the switch trig-
1.
ger. 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.8: 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.
Adjusting the chain lubrication
You can adjust the oil pump feed rate with the adjusting
screw. The amount of oil can be adjusted using the
universal wrench.
► Fig.9: 1. Adjusting screw
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.
Removing or installing 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.
To install the saw chain, perform the following steps:
1. Make sure the direction of the chain. The arrow
mark on the chain shows the direction of the chain.
2. Fit in one end of the saw chain on the top of the
guide bar and the other end around the sprocket.
► Fig.10: 1. Sprocket
3.
Rest the guide bar in place on the chain saw.
Turn the adjusting dial to "-" direction to slide the
4.
adjusting pin in the direction of arrow.
► Fig.11: 1. Adjusting pin
5. 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
6. Turn the lever clockwise fully and a quarter turn
back to keep looseness for adjusting the chain tension.
Turn the adjusting dial to adjust the chain tension.
7.
(See the chapter on "Adjusting saw chain tension" for
procedure.)
8.
Turn the lever clockwise until the sprocket cover is
secured then return it to the original position.
► Fig.13: 1. Lever 2. Sprocket cover
To remove the saw chain, perform the following steps:
1. Pull the lever up while pressing its edge.
► Fig.14: 1. Lever
Turn the adjusting dial to "-" direction to release
2.
the saw chain tension.
► Fig.15: 1. Adjusting dial
3. Turn the lever counterclockwise until the sprocket
cover comes off.
► Fig.16: 1. Lever 2. Sprocket cover
4. Remove the sprocket cover then remove the saw
chain and guide bar from the chain saw body.
14 ENGLISH