Bosch rexroth M1-16 Series Instruction Manual page 30

30/54 Control blocks for mobile applications | Installation
Risk of confusion with
threaded connections
Port overview
Tightening torques
Procedure
Bosch Rexroth AG, RE 64025-B/2021-08-12
The control blocks are used in application areas with metric as well as with the
Anglo-American (inch) system of units.
Both the system of units as well as the size of the female thread and stud end
(e.g. threaded plug) must match.
There is a risk of confusion due to the limited ways of visually telling them apart.
Observe the parameters contained in the offer drawing. Unless otherwise stated,
in general the SI units apply.
WARNING! Leaky or bursting stud ends!
If a stud end which is of a different measurement system and size with respect to
the female thread is pressurized, the threaded plug may loosen itself or even be
ejected from the stud end in a projectile-like manner. This can result in serious
injury and property damage. Hydraulic fluid can escape from this leakage point.
▶ Use the drawings (offer drawing) to determine the required stud end for each
fitting.
▶ Ensure that, during the assembly of fittings, mounting and threaded plugs, the
items are not confused.
▶ For all female threads, use a stud end from the same system of units and
of the correct size.
For an overview of line connections, refer to the respective data sheet and the
offer drawing.
Observe the parameters in the standards or the manufacturer's specifications for
the stud ends, fittings and threaded plugs on hydraulic ports. Apart from this, be
aware that tightening torques can also depend on the permissible pressure and
temperature range and the application conditions.
To connect the control block 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!). Mark all properly
tightened fittings, e.g. with a permanent marker.
6� Check all pipes and hose lines and every combination of connecting pieces,
couplings or connecting points with hoses or pipes to ensure they are in safe
working condition.