40/68 Installation
Bosch Rexroth AG
, A4CSG, Series 3x, RE 92105-01-B/06.2017
The following tightening torques apply:
• Fittings:
Observe the manufacturer's specifications regarding the tightening torques of the
used fittings.
• Female threads in the axial piston unit:
The maximum permissible tightening torques
M
G max
are the maximum values of the
female threads and must not be exceeded. For values, see Table 11.
• Threaded plugs:
For the metallic threaded plugs supplied with the axial piston unit, the required
tightening torques of threaded plugs
M
V
apply. For values, see Table 11.
• Mounting bolts:
For mounting bolts with metric ISO thread according to DIN 13 or thread according
to ASME B1.1, we recommend checking the tightening torque in individual cases in
accordance with VDI 2230.
Table 11: Tightening torques for female threads and threaded plugs
Ports
Maximum permissible
tightening torque of the
female threads
M
G max
Required tightening torque of
the threaded plugs
M
V
wAF hexagon socket of the
threaded plug
Standard
Thread size
ISO 6149
M8 x 1
10 Nm
7 Nm
4 mm
M10 x 1
30 Nm
15 Nm
5 mm
M12 x 1.5
50 Nm
25 Nm
6 mm
M14 x 1.5
80 Nm
45 Nm
6 mm
M16 x 1.5
100 Nm
55 Nm
8 mm
M18 x 1.5
140 Nm
70 Nm
8 mm
M20 x 1.5
170 Nm
80 Nm
10 mm
M22 x 1.5
210 Nm
100 Nm
10 mm
M27 x 2
330 Nm
170 Nm
12 mm
M30 x 2
420 Nm
215 Nm
17 mm
M33 x 2
540 Nm
310 Nm
17 mm
M42 x 2
720 Nm
330 Nm
22 mm
M48 x 2
900 Nm
420 Nm
22 mm
DIN 3852
M8 x 1
10 Nm
7 Nm
1)
3 mm
M10 x 1
30 Nm
15 Nm
2)
5 mm
M12 x 1.5
50 Nm
25 Nm
2)
6 mm
M14 x 1.5
80 Nm
35 Nm
1)
6 mm
M16 x 1.5
100 Nm
50 Nm
1)
8 mm
M18 x 1.5
140 Nm
60 Nm
1)
8 mm
M22 x 1.5
210 Nm
80 Nm
1)
10 mm
M26 x 1.5
230 Nm
120 Nm
1)
12 mm
M27 x 2
330 Nm
135 Nm
1)
12 mm
M33 x 2
540 Nm
225 Nm
1)
17 mm
M42 x 2
720 Nm
360 Nm
1)
22 mm
M48 x 2
900 Nm
400 Nm
1)
24 mm
Tightening torques
