I've been hung up on where to mount the electronics for the draw bar, I do not have enough space left in the main enclosure, so I need to mount a smaller enclosure some where else.

I didn't want to have constant pressure on the air cylinder when it was retracted. So I am using two pneumatic valves and a relay timer. The timer opens the main valve, and holds it for 2 or 3 seconds. When the momentary button is depressed, it triggers the relay and the secondary valve. Once released, the cylinder retracts and then the main valve closes air to the entire system.

So I have a power supply, relay, terminal blocks, and 2 air valves that I need to mount. I will try to get some pictures of the setup later this week. From the initial testing, I think this setup will work great, and with the main valve switching the entire system it should minimize air leaks.