having gotten this far -- it'd tilt and rotate, I'd been searching for a rotary coupling that was small enough to fit the available space, in the lower section - and I didn't have a lot .. max diameter had to be 100mm or less from memory ...if I wanted to feed oil through the beast to give me an aux. supply and ultimately a hyd QH ... then one of these came up on fleabay for 100 quid, plus shipping and eventually VAT and handling at this end - was over 50% of the purchase cost .... one of these is over 3k new, so bit of a bargain really
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IIRC it was 90mm OD - perfect ... originally used in CNC machining centres for feeding oil to carousel pallets in the work holding areas of the machines - had spent ages researching WTF they were, when it first came up, spec. wise (and found a significant time later that I actually had a full CD ROM of their interactive catalogue




), before buying it, having decided it'd to the job a treat.
these also arrived around the same time .....
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Mog had been creating on his duck and had come up with a great solution for hose routing from the dipper to the att. ... rings to feed his hoses through and keep 'em safe ... great idea and knocked a few out for the Miller
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removable if required - undo the lock nut and spin the ring off the pin's nut ...
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also stuck two new pins in the dipper end, whilst I was at it

... was mid December and apart from the bloody rain it'd also snowed, so was early Feb, 'fore I got back to the VA-r
and separated it
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bottom was still welded to the plate I'd stitched it to to take it for a ride to Raglan
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so split it off the plate and flipped it oer to find the original centre marks from when i'd originally built the bar bender
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to put a small pilot hole in it - used the mag to get it perfectly upright / square
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needed the hole for the circle cutter on the gas axe to put a hole in to suit the Roemheld and while I had a datum on t'other side scribed in some reference lines for 'ron'
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and four suitable notches to accommodate the blanking plugs in its head
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dropped it back together to suss 'fits'
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sadly I had a couple of bits which looked like they'd originally been welded in for a rotary unit that were in the way of the Roemheld ... so it was gonna have to come to bits to sort
top half off and secured
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nothings ever o have "easy building something like this from scratch