Adjusting Cutting Depth - Makita DRT50 Betriebsanleitung

Speed adjusting dial
The rotation speed of the tool can be changed by turn-
ing the speed adjusting dial. The table below shows
the number on the dial and the corresponding rotation
speed.
► Fig.4: 1. Speed adjusting dial
Number
1
2
3
4
5
NOTICE:
If the tool is operated continuously at
low speed for a long time, the motor will get over-
loaded, resulting in tool malfunction.
NOTICE:
When changing the speed dial from "5"
to "1", turn the dial counterclockwise. Do not turn
the dial clockwise forcibly.
Electronic function
The tool is equipped with the electronic functions for
easy operation.
• Constant speed control
The speed control function provides the constant
rotation speed regardless of load conditions.
• Soft start
The soft-start function minimizes start-up shock,
and makes the tool start smoothly.

Adjusting cutting depth

To adjust the cutting depth, open the lock lever, then
move the tool base up or down by turning the adjusting
screw. After the adjustment, close the lock lever firmly.
► Fig.5: 1. Lock lever 2. Adjusting screw
NOTICE:
If the tool is not secured after closing
the lock lever, tighten the hex nut, and then close
the lock lever.
► Fig.6: 1. Hex nut
Adjusting cutting depth with the
plunge base
Optional accessory
1. Place the tool on the flat surface.
2. Select the stopper screw by rotating the stopper
base.
► Fig.7: 1. Stopper screw 2. Stopper base
3.
Loosen the stopper pole fixing nut, then pull up the
stopper pole while pressing the feed button.
► Fig.8: 1. Stopper pole 2. Fixing nut 3. Feed button
4. Push down the tool until the tip of the trimmer bit
touches the flat surface, and then turn the fixing lever to
secure the tool.
► Fig.9: 1. Fixing lever 2. Trimmer bit
Speed
-1
10,000 min
-1
15,000 min
-1
20,000 min
-1
25,000 min
-1
30,000 min
5. Press down the stopper pole while pressing the
feed button until it contacts the stopper screw.
► Fig.10: 1. Stopper pole 2. Stopper screw 3. Feed button
6. Slide the depth pointer so that the pointer indi-
cates "0" on the scale.
► Fig.11: 1. Depth pointer
7.
Adjust the cutting depth by pulling up the stopper
pole while pressing the feed button.
► Fig.12: 1. Stopper pole 2. Feed button
8. To perform fine adjustment of the cutting depth,
turn the dial on the stopper pole so that it indicates "0".
► Fig.13: 1. Dial
9.
Turn the head of the stopper pole to obtain the desired
depth. To increase the depth, turn the head counterclock-
wise. To decrease the depth, turn the head clockwise.
► Fig.14: 1. Head of the stopper pole
10. Tighten the stopper pole fixing nut.
► Fig.15: 1. Fixing nut
11. Release the fixing lever.
► Fig.16: 1. Fixing lever
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.
Installing or removing trimmer bit
NOTICE:
Do not tighten the collet nut without
inserting the bit. The collet cone may break.
Insert the trimmer bit all the way into the collet cone. Press
the shaft lock and tighten the collet nut with the wrench or
tighten the collet nut securely with the two wrenches. To
remove the bit, follow the installation procedure in reverse.
► Fig.17: 1. Shaft lock 2. Loosen 3. Tighten
4. Wrench 5. Collet nut
► Fig.18: 1. Wrench 2. Loosen 3. Tighten 4. Collet nut
NOTE: The shaft lock may not return to the original
position when you tighten the collet nut at the instal-
lation of the trimmer bit. The shaft lock returns to the
original position when you start the tool.
► Fig.19: 1. Shaft lock
Installing or removing the trimmer base
1. Open the lock lever of the trimmer base, then
insert the tool into the trimmer base aligning the groove
on the tool with the protrusion on the trimmer base.
► Fig.20: 1. Lock lever
NOTE: You can use the trimmer base (resin) as an
optional accessory as shown in the figure. When
using the trimmer base (resin), loosen or tighten the
thumb nut instead of opening or closing the lock lever.
► Fig.21: 1. Thumb nut
16 ENGLISH