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Les langues disponibles
Model DTW285, DTW285XV
Proper fastening torque for standard bolt
N•m
(ft•lbs)
280
(207)
240
(177)
200
(148)
160
2
(118)
120
(89)
80
M12
(59)
40
(30)
0
1. Fastening time (second) 2. Fastening torque
Proper fastening torque for high tensile bolt
N•m
(ft•lbs)
280
(207)
240
(177)
200
(148)
160
2
(118)
120
(89)
80
(59)
40
(30)
0
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.
M20
M16
2
1
1
M16H
M14H
M12H
1
2
3
1
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 some-
what reduces the fastening force of the impact wrench.
Compensate by fastening for a longer period of time.
M20
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-
M16
tion in the fastening torque.
M12
MAINTENANCE
CAUTION:
switched off and the battery cartridge is removed before
attempting to perform inspection or maintenance.
NOTICE:
alcohol or the like. Discoloration, deformation or
cracks may result.
To maintain product SAFETY and RELIABILITY,
M16H
repairs, any other maintenance or adjustment should
be performed by Makita Authorized or Factory Service
Centers, always using Makita replacement parts.
M14H
M12H
OPTIONAL ACCESSORIES
CAUTION:
are recommended for use with your Makita tool
specified in this manual. The use of any other
accessories or attachments might present a risk of
injury to persons. Only use accessory or attachment
for its stated purpose.
If you need any assistance for more details regarding
these accessories, ask your local Makita Service Center.
•
Impact socket
•
Extension bar
•
Universal joint
•
Socket bit adapter
•
Makita genuine battery and charger
NOTE: Some items in the list may be included in the
tool package as standard accessories. They may
differ from country to country.
MAKITA LIMITED WARRANTY
Please refer to the annexed warranty sheet for the most
current warranty terms applicable to this product. If annexed
warranty sheet is not available, refer to the warranty details
set forth at below website for your respective country.
United States of America: www.makitatools.com
Canada: www.makita.ca
Other countries: www.makita.com
11 ENGLISH
Always be sure that the tool is
Never use gasoline, benzine, thinner,
These accessories or attachments
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