Maintenance And Service; Maintenance And Cleaning - Bosch GDS 24 Professional Notice Originale

18 | English
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 8
M 10
M 12
M 14
M 16
M 18
M 20
M 22
M 24
M 27
M 30
Examples for Determining the Impact Duration
(GDS 30)
Screw/bolt size M 24 of property class 8.8 =
Screw/bolt tightening torque 650 Nm
For 650 Nm, the GDS 30 diagram reveals an im-
pact duration of 0.8 seconds. (Diagram for GDS
30 see page 17)
Tips
Torque rods have shanks with precisely calibrat-
ed, reduced diameters. Thus, they act torque-lim-
iting. A torque rod is placed between the impact
wrench and the bit.
Rule of thumb for the application: Core diameter
of the screw/bolt = effective diameter of the
torque rod. The impact duration is to be deter-
mined through practical testing.
For hanging up, a suspension hook 1 is mounted
at the machine's centre of gravity.
The position of the handle can be changed with
an angle piece (accessory).
At temperatures below the freezing point, run
the machine for approx. 3 minutes at no-load to
improve its lubricating capacity.
1 609 929 M73 | (24.10.07)
Standard Screws/Bolts
3.6 4.6 5.6
6.57 8.7 11
13 17.5 22
22.6 30 37.6
36 48 60
55 73 92
75 101 126
107 143 178
145 190 240
185 245 310
275 365 455
370 495 615
4.8 6.6 5.8
11.6 13.1 14.6
23 26 29
40 45 50
65 72 79
98 110 122
135 151 168
190 214 238
255 290 320
325 370 410
480 445 605
650 740 820

Maintenance and Service

Maintenance and Cleaning

Before any work on the machine itself, pull
the mains plug.
For safe and proper working, always keep
the machine and ventilation slots clean.
If the machine should fail despite the care taken
in manufacturing and testing procedures, repair
should be carried out by an after-sales service
centre for Bosch power tools.
In all correspondence and spare parts order,
please always include the 10-digit article number
given on the type plate of the machine.
High-strength
Bolts
6.8 6.9 8.8
17.5 19.7 23
35 39 47
60 67 80
95 107 130
147 165 196
202 227 270
286 320 385
385 430 510
490 455 650
725 815 960
990 1110 1300 1830 2200
Bosch Power Tools
10.9 12.9
33 39
65 78
113 135
180 215
275 330
380 450
540 635
715 855
910 1100
1345 1615