Lukas P 650 Series - Manual (Page 45)

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3. Loosen the union nuts on the hose lines and remove the coupling.
CAUTION!
As the case may be, make sure that port 'T' / 'T1' of the hose reel is always
connected to port 'T' of the mono-coupling.
4. Position the new coupling and tighten the union nuts on the hose lines to a torque of
M
A
= 40 Nm and push the cover back over the couplings.
Procedure for couplings on hose pairs:
1. First of all, empty the hydraulic reservoir as described in the chapter "Replacing the
hydraulic À uid".
2. Pull the cover back from the couplings.
5. The hydraulic
À uid reservoir must then be ¿ lled and the unit vented.