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6
OPERATION
50
40
30
20
10
0
01
2
3
M12
(M12)
M10
(M10)
M8
(M8)
(408)
(204)
(510)
(306)
(102)
Standard bolt
N m
Fastening torque
Fastening time
Proper fastening torque
(kgf cm)
(S)
008339
High tensile bolt
N m
Fastening torque
Fastening time
Proper fastening torque
(kgf cm)
(S)
40
30
20
10
0
0123
M8
M6
(M8)
(M6)
(408)
(306)
(204)
(102)
008340
The proper fastening torque may differ depending upon
the kind or size of the screw/bolt, the material of the
workpiece to be fastened, etc. Before starting your job,
always perform a test operation to determine the proper
fastening time for your screw.
Fig.11
NOTE:
• Use the proper bit for the head of the screw/bolt
that you wish to use.
• Hold the tool pointed straight at the screw.
• 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.
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. Driver bit or socket bit
Failure to use the correct size driver bit or socket
bit 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 manner of holding the tool or the material of
driving position to be fastened will affect the
torque.
5. Operating the tool at low speed will cause a
reduction in the fastening torque.
MAINTENANCE
CAUTION:
• Always be sure that the tool is switched off and the
battery cartridge is removed before attempting to
perform inspection or maintenance.
To maintain product SAFETY and RELIABILITY, repairs,
any other maintenance or adjustment should be
performed by Makita Authorized Service Centers,
always using Makita replacement parts.
ACCESSORIES
CAUTION:
• These accessories or attachments 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.
• Phillips bit
• Bit piece
• Straight head
• Ratchet head
• Socket
• Socket adapter
• Various type of Makita genuine batteries and
chargers