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12 ENGLISH
Ring
Country specific
CAUTION:
Before using the ring, always
make sure that the bracket and ring are secured
and not damaged.
CAUTION:
Use the hanging/mounting parts
for their intended purposes only.
Using for unin-
tended purpose may cause accident or personal
injury.
►
Fig.16:
1.
Bracket
2.
Ring
3.
Screws
The ring is convenient for hanging the tool with hoist.
First, place the rope through the ring. Then hang the
tool up to the air with hoist.
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.
►
Fig.17
Hold the tool firmly and place the impact 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.
Proper fastening torque for standard bolt with max
impact mode (4)
100
200
300
0
1
2
3
(3060)
400
(4080)
(2040)
(1020)
N
•
m
(kgf•cm)
2
1
M22
M24
(M22)
(M24)
M20
(M20)
M16
(M16)
1.
Fastening time (second)
2.
Fastening torque
Proper fastening torque for high tensile bolt with
max impact mode (4)
100
200
300
0
1
2
3
(3060)
(2040)
(1020)
N
•
m
(kgf•cm)
2
1
M16
M16
M14
M14
M12
M12
1.
Fastening time (second)
2.
Fastening torque
NOTE:
Hold the tool pointed straight at the bolt or nut.
NOTE:
Excessive fastening torque may damage the
bolt/nut or impact socket. Before starting your job,
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
for 15 minutes before proceeding with a fresh battery
cartridge.
The fastening torque is affected by a wide variety of
factors including the following. After fastening, always
check the torque with a torque wrench.
1. When the battery cartridge is discharged almost
completely, voltage will drop and the fastening
torque will be reduced.
2. Impact socket
•
Failure to use the correct size impact socket
will cause a reduction in the fastening torque.
•
A worn impact socket (wear on the hex end
or square end) will cause a reduction in the
fastening torque.
3. Bolt
•
Even though the torque coefficient and the
class of bolt are the same, the proper fasten-
ing torque will differ according to the diame
-
ter of bolt.
•
Even though the diameters of bolts are the
same, the proper fastening torque will differ
according to the torque coefficient, the class
of bolt and the bolt length.
4. The use of the universal joint or the extension
bar somewhat reduces the fastening force of the
impact wrench. Compensate by fastening for a
longer period of time.
5. The manner of holding the tool or the material
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.
Содержание DTW701ZJ
Страница 2: ...2 1 2 3 Fig 1 1 2 Fig 2 1 Fig 3 1 Fig 4 1 Fig 5 1 A B Fig 6 Fig 7 ...
Страница 4: ...4 1 2 3 Fig 16 Fig 17 ...