OBJ_BUCH-1523-001.book Page 17 Monday, August 22, 2011 10:06 AM
For a spring-loaded seat as well as for a soft seat, the
maximum tightening torque is lower than for a hard
seat. Also, a clearly longer impact duration is
required.
Reference Values for Maximum Screw/Bolt Tightening Torques
Calculated from the tensional cross-section; utilization of the yield point 90 % (with friction coefficient
μ
= 0.12). As a control measure, always check the tightening torque with a torque wrench.
total
Property Classes
according to DIN 267
M 6
M 8
M 10
M 12
Tips
Before screwing larger, longer screws into hard mate-
rials, it is advisable to predrill a pilot hole with the core
diameter of the thread to approx.
length.
Maintenance and Cleaning
❏ Before any work on the machine itself (e. g.
maintenance, tool change, etc.) as well as
during transport and storage, remove the
battery from the power tool. There is danger
of injury when unintentionally actuating the
On/Off switch.
❏ For safe and proper working, always keep
the machine and ventilation slots clean.
When the battery is no longer operative, please refer
to an authorised after-sales service agent for Würth
power tools.
If the machine should fail despite the care taken in
manufacturing and testing procedures, repair should
be carried out by a Würth master-Service.
In all correspondence and spare parts orders, please
always include the article number given on the type
plate of the machine.
The current spare parts list for this power tool can be
viewed in the Internet under
"http://www.wuerth.com/partsmanager"
or be requested from your next Würth branch office.
Standard Screws/Bolts
3.6
4.6
5.6
4.8
2.71
3.61
4.52
4.8
6.57
8.7
11
11.6
13
17.5
22
23
22.6
30
37.6
40
For this Würth power tool, we provide a guarantee in
2
/
of the screw
accordance with the legal/country-specific regula-
3
tions from the date of purchase (verified by invoice or
delivery document). Damage that has occurred will
be corrected by replacement or repair.
Damage caused by normal wear, overloading or
improper handling is excluded from the guarantee.
Claims can only be accepted if the power tool is sent
undisassembled to a Würth branch office, your Würth
sales representative or a customer service agent for
Würth power tools.
The contained lithium-ion batteries are subject to the
Dangerous Goods Legislation requirements. The user
can transport the batteries by road without further
requirements.
When being transported by third parties (e.g.: air
transport or forwarding agency), special requirements
on packaging and labelling must be observed. For
preparation of the item being shipped, consulting an
expert for hazardous material is required.
Dispatch batteries only when the housing is undam-
aged. Tape or mask off open contacts and pack up
the battery in such a manner that it cannot move
around in the packaging.
Please also observe possibly more detailed national
regulations.
6.6
5.8
6.8
6.9
5.42
6.02
7.22
8.13
13.1
14.6
17.5
19.7
26
29
35
39
45
50
60
67
Guarantee
Transport
High-strength
Bolts
8.8
10.9 12.9
9.7
13.6
16.2
23
33
39
47
65
78
80
113
135
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