Bosch Rexroth 3 Series - Page 40

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