Makita DTW284 Instruction Manual page 10

Model DTW284
Proper fastening torque for standard bolt
280
240
200
160
2
120
80
M 12
40
0
1. Fastening time (second) 2. Fastening torque
Proper fastening torque for high tensile bolt
280
240
200
160
2
120
80
40
0
1. Fastening time (second) 2. Fastening torque
Model DTW285
Proper fastening torque for standard bolt
280
240
200
160
2
120
80
M12
40
0
1. Fastening time (second) 2. Fastening torque
M 20
M 16
1 2
1
M16H
M14H
M12H
1 2 3
1
M20
M16
2
1
1
Proper fastening torque for high tensile bolt
280
240
200
2 160
M 20
120
80
M 16
40
M 12
1. Fastening time (second) 2. Fastening torque
NOTE: Hold the tool pointed straight at the bolt or nut.
NOTE:
always perform a test operation to determine the
proper fastening time for your bolt or nut.
NOTE: If the tool is operated continuously until the
battery cartridge has discharged, allow the tool to rest
M16H
for 15 minutes before proceeding with a fresh battery
cartridge.
M14H
check the torque with a torque wrench.
M12H
completely, voltage will drop and the fastening
torque will be reduced.
2. Impact socket
will cause a reduction in the fastening torque.
or square end) will cause a reduction in the
fastening torque.
3. Bolt
class of bolt are the same, the proper fasten-
ing torque will differ according to the diame-
ter of bolt.
same, the proper fastening torque will differ
of bolt and the bolt length.
M20
bar somewhat reduces the fastening force of the
impact wrench. Compensate by fastening for a
M16
longer period of time.
M12
of driving position to be fastened will affect the
torque.
6. Operating the tool at low speed will cause a reduc-
tion in the fastening torque.
10 ENGLISH
M14H
M12H
0
1 2
1
M16H
M16H
M14H
M12H
3