Tks to John from Skymaster now all OK, cleared an obstruction in one and the other wheel was not plugged in one spot, which I corrected, all fine now.
BTW, I have uploaded a vid from the nose gear sequence at http://www.youtube.com/watch?v=uPJlFQvf04Q

The gearspeed itself is already softened by a Festo restrictor on the outlet of the Jettronics valve, I see I need another one on the doors as well!
Systems consists of 2 X jettronics 2 way valves, sequencing by Weatronic.
The large front door is part of the door system, however the small doors get pressure from the gear DOWN air for opening, and for doors close gear UP air. However, pressure is blocked until the nose gear touches a mechanical pressure switch that then sends pressure to the small doors.

Took a while to get it all figured out........