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8
ENGLISH
Proper fastening torque for high tensile bolt
2
1
140
(1430)
N•m
(kgf•cm)
2
1
0
80
(816)
60
(612)
40
(408)
20
(204)
3
100
(1020)
120
(1224)
M10
M12
M12
M8
M8
M10
1.
Fastening time (second)
2.
F astening torq ue
NOTE:
H old th e tool pointed straigh t at th e 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 minutes before proceeding with a fresh battery
c artrid ge.
The fastening torque is affected by a wide variety of
factors including the following. After fastening, always
c h ec k th e torq ue w ith a torq ue w renc h .
. When the battery cartridge is discharged almost
completely, voltage will drop and the fastening
torq ue w ill be red uc ed .
2.
I mpac t soc ket
•
F ailure to use th e c orrec t siz e impac t soc ket
w ill c ause a red uc tion in th e f astening torq ue.
A worn impact socket (wear on the hex end
or square end) will cause a reduction in the
f astening torq ue.
3.
Bolt
Even though the torque coefficient and the
c lass of bolt are th e same, th e proper f asten-
ing torq ue w ill d if f er ac c ord ing to th e d iame-
ter of bolt.
•
Ev en th ough th e d iameters of bolts are th e
same, th e proper f astening torq ue w ill d if f er
according to the torque coefficient, the class
of bolt and th e bolt length .
. The use of the universal joint or the extension
bar somew h at red uc es th e f astening f orc e of th e
impact wrench. Compensate by fastening for a
longer period of time.
5 .
T h e manner of h old ing th e tool or th e material
of d riv ing position to be f astened w ill af f ec t th e
torq ue.
6 .
O perating th e tool at low speed w ill c ause a red uc -
tion in th e f astening torq ue.
MAINTENANCE
CAUTION:
Always be sure that the tool is
switched off and the battery cartridge is removed
before attempting to perform inspection or
maintenance.
NOTICE:
Never use gasoline, benzine, thinner,
alcohol or the like. Discoloration, deformation or
cracks may result.
T o maintain prod uc t S A F ET Y and R EL I A BI L I T Y ,
repairs, any other maintenance or adjustment should
be performed by Makita Authorized or Factory Service
Centers, always using Makita replacement parts.
OPTIONAL
ACCESSORIES
CAUTION:
These accessories or attachments
are recommended for use with your Makita tool
specified in this manual.
The use of any other
ac c essories or attac h ments migh t present a risk of
injury to persons. Only use accessory or attachment
f or its stated purpose.
If you need any assistance for more details regard
-
ing these accessories, ask your local Makita Service
C enter.
•
I mpac t soc ket
•
H ook
•
Ex tension bar
Universal joint
•
S oc ket bit ad apter
Plastic carrying case
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.
Содержание TW141D
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