FAQ No 8 – Bleeding The Hydraulic System
Judging from some of the posts on the forum, it seems that a lot of members have problems with their hydraulic lift especially after changing the oil. The following guides may help avoid possible unnecessary work of dismantling and checking the valves in the valve chest when all that may be necessary is to expel air from the system By way of explanation on ‘livedrive’ models, the pump is constant and is active as soon as the engine starts. As it takes a short while for the oil to reach the pump and circulate, this is the point where the air gets in As a first step after oil and filter change the following bleed procedure is suggested.
Thanks to Powerrabbitt for the above information.