ive torn vavle body apart and cleand and reassaembled also revomend plugs on valve body to check o rings they look fine remove trim cycylinder and clena and check oring fine also remove tilt cyleder clean and checked oring fill reservoir with 10w v 30w oil and raised and lowered to bleed cant get trim or tilt to move need help on bleeding correctly or app amount of fluid system will hold or any ideas on whatt to try next