Lukas P 630 Lite - Manual (Page 34)

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11.3.4 Mono-couplings
The mono-couplings must be replaced if:
- there is external damage,
- the locking does not function,
- hydraulic
À uid continues to leak in the coupled/uncoupled state.
WARNING/CAUTION!
Never repair couplings: they must be replaced by genuine LUKAS parts!
3. Release the union nuts on the hose lines and remove the coupling.
Procedure for coupling to hose pairs:
1. First empty the hydraulic tank as described in the chapter "Replacing the hydraulic
À uid".
2. Pull the cover back from the couplings.