Lukas P 640 TG - Manual (Page 16)

16
6.3 Quick-disconnect couplings
6.4 Adapter for direct connection to mono-coupling valve block
On the connecting block of the hydraulic unit, the connection nipples are replaced by quick-
disconnect couplings to enable connection of hoses equipped with this coupling system.
First of all, remove the connection nipples and then screw in the quick-disconnect couplings.
The return hose connection (marked in blue) must always be equipped with a female
quick-disconnect coupling. Both the female quick-disconnect couplings and the male quick-
disconnect couplings are screwed into the valve block with a tightening torque of M
A
=
40 Nm. To conclude, quick-disconnect couplings must be sealed with matching dust
protection caps.
Connection nipples and adapters must be mounted on the connecting block of the hydraulic
unit so that the hoses can be screwed onto them directly.
To achieve this, first of all remove the mono-couplings and locking screws of the return
connections, then screw in the connection nipples and adapters.
The connection nipples and adapters are screwed into the valve block with a tightening
torque of M
A
= 40 Nm.
To conclude, suitable locking elements (e.g. locking ball with nut) must be screwed onto the
connection nipples or the hoses must be connected immediately.