Makita 8434D Drill User Manual


 
6
speed change lever positioned halfway between the
1 position, 2 position and 3 position, the tool
may be damaged.
Do not use the speed change lever while the tool is
running. The tool may be damaged.
Selecting the action mode
This tool employs an action mode change lever. Select
one of the three modes suitable for your work needs by
using this lever.
For rotation only, slide the lever so that it points toward
the mark on the tool body.
For rotation with hammering, slide the lever so that it
points toward the mark on the tool body.
For rotation with clutch, slide the lever so that the it points
toward the mark on the tool body.
NOTE:
When changing the position from to , it
may be a little difficult to slide the mode change
lever. At this time, switch on and run the tool for a
second at the position, then stop the tool and
slide to your desired position.
CAUTION:
Always set the lever correctly to your desired mode
mark. If you operate the tool with the lever
positioned halfway between the mode marks, the
tool may be damaged.
Adjusting the fastening torque
The fastening torque can be adjusted in 16 steps by turn-
ing the adjusting ring so that its graduations are aligned
with the arrow on the tool body. The fastening torque is
minimum when the number 1 is aligned with the arrow,
and maximum when the number 16 is aligned with the
arrow.
Before actual operation, drive a trial screw into your
material or a piece of duplicate material to determine
which torque level is required for a particular application.
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 side grip (auxiliary handle)
Always use the side grip to ensure operating safety.
Insert the side grip so that the protrusions on the grip
base fit in between the grooves on the tool barrel. Then
tighten the grip by turning clockwise.
Installing or removing driver bit or drill bit
Turn the sleeve counterclockwise to open the chuck jaws.
Place the bit in the chuck as far as it will go. Turn the
sleeve clockwise to tighten the chuck.
To remove the bit, turn the sleeve counterclockwise.
When not using the driver bit, keep it in the bit holders.
Bits 45 mm (1-3/4) long can be kept there.
1. Action mode
change lever
1. Graduations
2. Arrow
3. Adjusting ring
1
005781
1
2
3
006271
1. Grip base
2. Side grip
3. Steel band
4. Protrusion
5. Groove
1. Sleeve
1. Bit
2. Bit holder
1
2
3
4
5
006272
1
006267
1
2
005782