Makita LXT DUC303Z - Инструкция по эксплуатации - Страница 13

13 ENGLISH

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 lever, then pull the switch trig-

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 remove the saw chain, perform the following steps:

1.

Pull the lever up while pressing its edge.

► 

Fig.10:

1.

 Lever

2.

  Turn the adjusting dial to "-" direction to release 

the saw chain tension.

► 

Fig.11:

1.

 Adjusting dial

3.

Turn the lever counterclockwise until the sprocket 

cover comes off.

► 

Fig.12:

1.

 Lever 

2.

 Sprocket cover

4.

Remove the sprocket cover then remove the saw 

chain and guide bar from the chain saw body.

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.13:

1.

 Sprocket

3.

Rest the guide bar in place on the chain saw.

4.

  Turn the adjusting dial to "-" direction to slide the 

adjusting pin in the direction of arrow.

► 

Fig.14:

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.15:

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.

7.

  Turn the adjusting dial to adjust the chain tension.

8.

Turn the lever clockwise until the sprocket cover is 

secured then return it to the original position.

► 

Fig.16:

1.

 Lever 

2.

 Sprocket cover

Adjusting saw chain tension

CAUTION:

Carry out the procedure of install-

ing or removing saw chain in a clean place free 

from sawdust and the like.

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.

CAUTION:

A chain which is too loose can 

jump off the bar and it may cause an injury 

accident.

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.17:

1.

 Lever 

2.

 Sprocket cover

2.

  Lift up the guide bar tip slightly and adjust the 

chain tension. Turn the adjusting dial to the "-" direction 

to loosen, turn to the "+" direction to tighten. Tighten the 

saw chain until the lower side of the saw chain fits in the 

guide bar rail as illustrated.

► 

Fig.18:

1.

 Adjusting dial 

2.

 Guide bar 

3.

 Saw chain

3.

Keep holding the guide bar lightly and tighten the 

sprocket cover. Make sure that the saw chain does not 

loose at the lower side.

4.

Return the lever to the original position.

► 

Fig.19:

1.

 Lever 

2.

 Sprocket cover

Make sure the saw chain fits snugly against the lower 

side of the bar.