Makita UC3050A Bedienungsanleitung Seite 13

1 Rear handle
2 Switch trigger
3 Front handle
4 Front hand guard
5 Guide bar
6 Saw chain
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.1
Loosen the nut.
(For lever models)
► Fig.2: 1. Lever 2. Sprocket cover
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 ten-
sion.
(For lever models) Turn the adjusting dial to "-"
direction to loosen the saw chain tension.
► Fig.3: 1. Adjusting screw
► Fig.4: 1. Adjusting dial
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.
7 Lever
8 Adjusting screw/dial
9 Sprocket cover
10 Rear hand guard
11 Spike bumper
12 Oil level sight
► Fig.5: 1. Sprocket
6.
7.
8.
► Fig.6: 1. Guide bar 2. Hole
9.
10. Place the sprocket cover so that the hooks fit
► Fig.7: 1. Hook 2. Hole 3. Pin
11.
► Fig.8
► Fig.9: 1. Lever 2. Sprocket cover
The saw chain may become loose after many hours of use.
From time to time check the saw chain tension before use.
1.
2.
3.
► Fig.10: 1. Loosen 2. Tighten 3. Chain adjusting
► Fig.11: 1. Loosen 2. Tighten 3. Adjusting dial
4.
5.
Make sure the saw chain fits snugly against the lower
side of the bar.
13 ENGLISH
13 Oil filler cap
14 Lock-off button
15 Chain catcher
16 Guide bar cover
17 Cord hook
Adjusting screw for oil pump
18
(at the bottom)
Fit in one end of the saw chain on the top of the
guide bar and the other end of it around the sprocket.
Place the guide bar on the chain saw.
Align the tension slide with the hole of the guide
bar.
Holding the guide bar, and turn the chain adjusting
screw / dial to adjust the saw chain tension.
alongside the holes and the pin fits its counterpart
on the sprocket cover.
Tighten the sprocket cover.
Adjusting saw chain tension
Loosen the sprocket cover lightly.
Lift up the guide bar tip slightly.
Turn the adjusting screw / dial to adjust saw chain
tension.
screw 4. Guide bar 5. Saw chain
4. Guide bar 5. Saw chain
Tighten the saw chain until the lower side of the
saw chain fits in the guide bar rail (see circle).
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.
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.