Bedienungsanleitung Makita UC4050A (Seite 13 von 120) (Deutsch, Englisch, Holländisch, Dänisch, Französisch, Italienisch, Portugiesisch, Spanisch, Türkisch)

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follow the safety rules stated in this instruction

manual may cause serious personal injury.

DESIGNATION OF PARTS

(Nut model: the sprocket cover is tightened by nuts.)

For Model UC3050A, UC3550A, UC3550AP, UC4050A,

UC4550A (Fig. 5)

(Lever model: the sprocket cover is tightened by lever.)

For Model UC3051A, UC3551A, UC4051A, UC4551A

(Fig. 6)

(For all models) (Fig. 7)

ASSEMBLY

CAUTION:

• Always be sure that the tool is switched off and

unplugged before carrying out any work on the tool.

Removing or installing sprocket cover

To remove the sprocket cover, perform the following

steps:

(For nut models) (Fig. 8)

Loosen the nut.

(For lever models) (Fig. 9)

Press and fully open the lever until it stops.

Turn the lever counterclockwise.

To install the sprocket cover, perform the above steps in

reverse.

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. Loosen the sprocket cover.

2. (For nut models) Turn the chain adjusting screw

counterclockwise to release the saw chain tension.

(For lever models) Turn the adjusting dial to “-”

direction to loosen the saw chain tension. (Fig. 10 &

11)

3. Remove the sprocket cover.

4. Remove the saw chain and guide bar from the chain

saw.

To install the saw chain, perform the following steps:

5. Make sure the direction of the chain. The arrow mark

on the chain shows the direction of the chain. (Fig. 12)

6. Fit in one end of the saw chain on the top of the guide

bar and the other end of it around the sprocket.

7. Place the guide bar on the chain saw.

8. Align the tension slide with the hole of the guide bar.

(Fig. 13)

9. Holding the guide bar, and turn the chain adjusting

screw/dial to adjust the saw chain tension.

10. Place the sprocket cover so that the hooks fit

alongside the holes and the pin fits its counterpart on

the sprocket cover. (Fig. 14)

11. Tighten the sprocket cover. (Fig. 15 & 16)

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. Loosen the sprocket cover lightly.

2. Lift up the guide bar tip slightly.

3. Turn the adjusting screw/dial to adjust saw chain

tension. (Fig. 17 & 18)

4. Tighten the saw chain until the lower side of the saw

chain fits in the guide bar rail (see circle).

5. 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.

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. 19)

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 connector. This helps prevent

unintentional disconnection.

OPERATION

CAUTION:

• Hold the tool firmly with right hand on the rear handle

and left hand on the front handle when performing the

tool.

Switch action (Fig. 20)

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.

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.

Lubrication

CAUTION:

• Always be sure that the tool is switched off and

unplugged before lubricating the saw chain.

Lubricate the saw chain and bar using biologically

degradable saw chain oil with an adhesion agent. The

adhesion agent in the saw chain oil prevents the oil from

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