Makita DTW281 Manuel D'instructions page 8

You can change the impact in three steps: hard,
medium and soft mode.
This allows a tightening suitable to the work.
Every time the button
changes in three steps.
For approximately one minute after releasing the switch
trigger, the impact force can be changed.
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.
Selecting correct socket
Always use the correct size socket for bolts and nuts. An
incorrect size socket will result in inaccurate and inconsistent
fastening torque and/or damage to the bolt or nut.
Installing or removing socket
1
014643
Align the hole in the side of the socket with the detent pin
on the square drive and push the socket onto the square
drive until it locks into place. Tap it lightly if required.
To remove the socket, simply pull it off.
Hook
1
014638
The hook is convenient for temporarily hanging the tool.
This can be installed on either side of the tool.
To install the hook, insert it into a groove in the tool
housing on either side and then secure it with a screw.
To remove, loosen the screw and then take it out.
is pressed, the number of blows
1. Socket
2. Square drive
2
1. Hook
2. Screw
3
3. Groove
2
OPERATION
CAUTION:
Always insert the battery cartridge all the way until
•
it locks in place. If you can see the red indicator on
the upper side of the button, it is not locked
completely. Insert it fully until the red indicator
cannot be seen. If not, it may accidentally fall out
of the tool, causing injury to you or someone
around you.
014822
Hold the tool firmly and place the socket over the bolt or
nut. Turn the tool on and fasten for the proper fastening
time.
The proper fastening torque may differ depending upon
the kind or size of the bolt, the material of the workpiece
to be fastened, etc. The relation between fastening
torque and fastening time is shown in the figures.
Standard bolt
N m
(ft.lbs)
280
(207)
240
(177)
200
(148)
160
(118)
120
M16
(89)
80
M12
(59)
40
(30)
1.0
0 0.5
Fastening time (S)
014827
8
M20
M20
M16
M12
2.0
1.5