Lukas SC 557 - Manual (Page 35)

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3. Position the new coupling and tighten the connection nuts of the hose assemblies
with a torque of M
A
= 40 Nm and push the cover of the couplings back on.
CAUTION!
Take care that the port ‘T’ of the rescue tool is always connected to the port ‘T’
of the mono-coupling.
10.3.8 Mono-couplings
The mono-couplings must be replaced in the event of:
- external visible damage,
- the locking device not working,
- hydraulic
fl uid continually leaking in a coupled/uncoupled state.
During assembly, tighten the connection nut of the hose assembly with a torque of M
A
= 40 Nm.
Procedure:
1. Remove the cover from the couplings.
2. Loosen the connection nuts of the hose assembly and remove the coupling.
WARNING / CAUTION!
Never repair couplings: they are to be replaced by original LUKAS parts!