Makita BTD144 Instruction Manual page 6

Reversing switch action
A
1
009211
This tool has a reversing switch to change the direction
of rotation. Depress the reversing switch lever from the A
side for clockwise rotation or from the B side for
counterclockwise rotation.
When the reversing switch lever is in the neutral position,
the switch trigger cannot be pulled.
Hammering force grade
displayed on panel
Hard
S H
Medium
S H
Soft
S H
009800
The hammering force can be changed in three steps:
hard, medium and soft.
This allows a tightening suitable to the work.
Every time the hammering force button
number of blows changes in three steps.
For approximately one minute after releasing the switch
trigger, the hammering force can be changed.
1. Reversing
switch lever
B
Maximum blows
Tightening when force
-1
3,400 (min )
and speed are desired.
Tightening when a good
-1
2,800 (min )
finishing is needed.
Tightening when excessive
tightening need to be avoided
because of potentially clogged
-1
1,300 (min )
female screw and broken or
damaged screw head.
is pressed, the
CAUTION:
Always check the direction of rotation before
•
operation.
Use the reversing switch only after the tool comes
•
to a complete stop. Changing the direction of
rotation before the tool stops may damage the tool.
When not operating the tool, always set the
•
reversing switch lever to the neutral position.
Changing the hammering force
1
S H
2
S H
3
S H
4
009212
Application
NOTE:
When all lamps on the switch panel go out, the tool
•
is turned off to save the battery power. The
hammer force grade can be checked by pulling the
switch trigger to the extent that the tool does not
operate.
During the operation of switch trigger, the hammer
•
force grade cannot be changed.
6
1. Changed in
three steps
2. Hard
H 3. Medium
S
4. Soft
5. Hammering
force button
5
Work
Tightening in underwork
material/ Tightening long
screws/ Tightening bolts.
Tightening in the finishing
board, plaster board.
Tightening sash screw/
Tightening small screws
such as M6.