Maintenance And Service; Maintenance And Cleaning - Bosch Professional GDS 18 E Manual Original

OBJ_BUCH-544-001.book Page 17 Friday, October 26, 2007 1:35 PM
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 Standard Screws/Bolts
according to DIN 267
M 6
M 8
M 10
M 12
M 14
M 16
M 18
M 20
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.
The thumbwheel 2 must be set to max.
For hanging up, a suspension hook 1 is mounted
at the machine's centre of gravity.
At temperatures below the freezing point, run
the machine for approx. 3 minutes at no-load to
improve its lubricating capacity.
Bosch Power Tools
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
36 48 60 65
55 73 92 98
75 101 126 135
107 143 178 190

Maintenance and Service

Maintenance and Cleaning

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.
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
72 79 95 107
110 122 147 165
151 168 202 227
214 238 286 320
Before any work on the machine itself, pull
the mains plug.
For safe and proper working, always keep
the machine and ventilation slots clean.
1 609 929 M70 | (26.10.07)
English | 17
High-strength
Bolts
8.8 10.9 12.9
9.7 13.6 16.2
23 33 39
47 65 78
80 113 135
130 180 215
196 275 330
270 380 450
385 540 635