Makita DUC101 Manuel D'instructions page 14

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.5: 1. Switch trigger 2. Lock-off lever
Checking the run-down brake
CAUTION:
If the saw chain does not stop
within a few seconds in this test, stop using the
tool and consult our authorized service center.
Run the tool, and then release the switch trigger com-
pletely. The saw chain must come to a standstill within
a few seconds.
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.
CAUTION:
Carry out the procedure of install-
ing or removing saw chain in a clean place free
from sawdust and the like.
Removing the saw chain
To remove the saw chain, perform the following steps:
1.
Pull the lever up.
► Fig.6: 1. Lever
2. Turn the lever counterclockwise until the sprocket
cover comes off.
► Fig.7: 1. Sprocket cover 2. Lever
3. Remove the sprocket cover then remove the saw
chain and guide bar from the tool body.
Installing the saw chain
To install the saw chain, perform the following steps:
1. Pull the lever up.
► Fig.8: 1. Lever
2. Turn the lever counterclockwise until the sprocket
cover comes off.
► Fig.9: 1. Lever 2. Sprocket cover
3.
Remove the sprocket cover.
4. Align the hole on the guide bar with the pin on the
tool body, and then place the guide bar as shown in the
figure.
► Fig.10: 1. Guide bar 2. Hole 3. Pin
5. Slide the guide bar toward the sprocket to lock the
pin.
► Fig.11: 1. Guide bar 2. Pin
6.
Remove the guide bar from the tool body.
7. Check the direction of the saw chain. Match the
direction of the saw chain with that of the mark on the
tool body.
► Fig.12: 1. Mark on tool body
8. Fit one end of the saw chain on the top of the
guide bar.
9.
Fit the other end of the saw chain around the
sprocket, then attach the guide bar to the tool body so
that the hole on the guide bar is aligned with the pin on
the body.
► Fig.13: 1. Sprocket
Press the guide bar against the tool body to release the
pin. The saw chain tension is automatically adjusted.
► Fig.14: 1. Saw chain 2. Pin 3. Sprocket
10. Place the sprocket cover so that the bolt and pin
on the tool body fit into the recesses on the sprocket
cover, and screw head on the sprocket cover fits into
the recess in the tool body.
► Fig.15: 1. Sprocket cover 2. Bolt 3. Pin 4. Screw
head 5. Recess
NOTICE:
Make sure that the mating surfaces of the
sprocket cover and the tool body are aligned.
11.
Turn the lever clockwise until the sprocket cover is
secured then return it to the original position.
► Fig.16: 1. Lever 2. Sprocket cover
Make sure that the saw chain does not loose and the
saw chain can be moved smoothly back and forth. If
necessary, adjust the tension of the saw chain by refer-
ring to the section for adjusting saw chain tension.
Adjusting saw chain tension
CAUTION:
A chain which is too loose can
jump off the bar and it may cause an injury or
accident.
The saw chain may become loose after many hours
of use. From time to time check the saw chain tension
before use.
If the saw chain is loose, adjust the saw chain tension.
1. Pull the lever up.
► Fig.17: 1. Lever
2. Turn the lever counterclockwise a little to loosen
the sprocket cover lightly. The chain tension is adjusted
automatically.
► Fig.18: 1. Sprocket cover 2. Lever
3. Turn the lever clockwise until the sprocket cover is
secured then return it to the original position.
► Fig.19: 1. Lever 2. Sprocket cover
14 ENGLISH