Lukas P 630 SG - Manual (Page 19)

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4. Now bleed the hydraulic power unit:
5. Set all levers of the distributor valve to circulation at static pressure (see also the chapter
"Valves"). Open and remove the tank cap so that air enters the tank.
6. Open the venting plug on the pump block, tilt the power unit backwards by approx. 45°
(see illustration) and wait until oil comes out from the bolt.
7. When oil comes out at the venting plug, the air has been removed from the pump. First
close the venting plug and then return the power unit to the level.
8. Check the
À uid levels. Top up if necessary.
9. Now connect the extension hoses and/or hose reels (unless already connected to the
unit) and/or couple the rescue equipment.
Venting plug Pump block P 630 SG