Installation 59/78
RE 66170-B/2019-05-15, Control block SB24/34, Bosch Rexroth AG
Observe the specifications in the standards or the manufacturer's specifications
for the threaded plugs, stud end, fittings, valves, screw plugs, etc. Apart from this,
be aware that tightening torques can also depend on the permissible pressure and
temperature range and the application conditions.
Table 35: Tightening torques
Metric
thread size
Tightening torques
M12 x 1.5
25
+3
Nm
M14 x 1.5
45
+5
Nm
M16 x 1.5
55
+6
Nm
M18 x 1.5
70
+7
Nm
M22 x 1.5
125
+13
Nm
M27 x 2
180
+20
Nm
M33 x 2
310
+30
Nm
To connect the control block/control block segment to the hydraulic system:
1.
Remove the protective plugs or threaded plugs from the ports where the
connections should be made according to the hydraulic circuit diagram.
2.
Make sure the sealing surfaces of the hydraulic ports and functional surfaces
are not damaged.
3.
Use only clean hydraulic lines or flush them before installation.
4.
Connect the lines according to the offer drawing supplied with the machine
diagram. Check whether all ports are piped up or plugged with threaded plugs.
5.
Properly tighten the fittings (observe tightening torques!).
Tightening torques
Procedure
