Makita TW1000 Manual De Instrucciones página 5

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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
CAUTION:
Always be sure that the tool is switched off and
unplugged before installing or removing the socket.
For socket without O-ring and pin
1
2
005973
To install the socket, push it onto the anvil of the tool until
it locks into place.
To remove the socket, simply pull it off.
For socket with O-ring and pin
1
005972
Move the O-ring out of the groove in the socket and
remove the pin from the socket. Fit the socket onto the
anvil of the tool so that the hole in the socket is aligned
with the hole in the anvil. Insert the pin through the hole in
the socket and anvil. Then return the O-ring to the
original position in the socket groove to retain the pin. To
remove the socket, follow the installation procedures in
reverse.
OPERATION
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 figure.
All manuals and user guides at all-guides.com
1. Socket
2. Anvil
1. O-ring
2
2. Pin
N m
High tensile bolt
(ft lbs)
1000
M24(1")
(740)
800
M22(7/8")
(590)
600
(440)
400
(300)
200
(150)
0
1
2
3
Fastening time(S)
005976
Hold the tool firmly and place the socket over the bolt or
nut. Turn the tool on and fasten for the proper fastening
time.
NOTE:
Hold the tool pointed straight at the bolt or nut.
Excessive fastening torque may damage the
bolt/nut or socket. Before starting your job, always
perform a test operation to determine the proper
fastening time for your bolt or nut.
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.
Voltage
Voltage drop will cause a reduction in the fastening
torque.
2.
Socket
Failure to use the correct size socket will cause
a reduction in the fastening torque.
A worn 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 fastening
torque will differ according to the diameter 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
M24
(1")
M22
(7/8")
4
5

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