LT230 to Isuzu GB

**Ancient Mariner** · 6th July 2015, 08:49 PM

First thanks for the interest .Of the three ways of building the housing -solid billet-casting or steel fabrication all three will do what we need if done correctly mainly no flex and exact alignment .The fabricated steel has the advantage of being easily modified if needed .First steel sizes 12mm is about right for the TC end and 14mm not available so 16mm for the GB end with 5mm for the walls First step is to trace the GB end housing ditto the TC onto some cardboard allowing an extra 25mm to top of GB and the extra bit for the LH mounting pad on the TC bit.After getting the bits laser cut the GB end housing is drilled thru .The centre determined and bored this needs to be accurate as it is used as a datum for future machining

AM

**Ancient Mariner** · 7th July 2015, 08:51 PM

Next step is position output flange in position on plate and draw an outline that clears the flange and keeps the wall as close as weld to bolts permits as per pic ( white out pen great for marking) .Next the walls are folded to suit the outline 150x5mm steel allows about 1mm for a trim after welding .Pic showing weld thru angles on inside it is then welded outside a temp brace fitted and milled parallel The TC plate is now set up on the TC with the seal hole and mounting holes drilled with the exception of the 2 dowel holes .Next the GB part is located on a plug with centre hole bolted to the mill table and the spindle centered the TC plate with a centre plug is then placed on top and held in alignment with the spindle centre. The plate can then be rotated to suit a different TC drop My 4he1 I kept level accross the top this one suits the R380

AM

**brad56** · 8th July 2015, 07:59 PM

I will follow this post with great interest.

**Ancient Mariner** · 9th July 2015, 07:07 AM

After welding the TC plate to the desired angle the top section welded in then the mount pad welded on and dressed up. Back to the mill to be faced .That earlier bored accurate hole in the GB plate is then fitted to a centered plug in the faceplate and a hole bored to clear the drive flange and use for TC alignment

**Dervish** · 9th July 2015, 10:49 AM

Look at those welds! Beautiful stuff.

**Ancient Mariner** · 10th July 2015, 06:23 AM

Originally Posted by Dervish

Look at those welds! Beautiful stuff.

Thanks amazing what you can photoshop these days

**Ancient Mariner** · 10th July 2015, 06:46 AM

A plug is now made to fit the adapter case and the TC which is fitted with hollow dowels .The two are now bolted together and drilled thru the hollow dowels Back to the mill where the holes are centered and bored one at 8mm and the other 15mm This is as far as I can go till I receive my GB which is sitting in Yandina

**Ancient Mariner** · 20th July 2015, 09:04 AM

Bit of a setback the GB I was waiting on turned out to be a MXA not a MSA so I have machined the adaptor to suit the bigger bearing MXA . If anyone has the end housing ( the part that is not used )in the MSA conversion has one they don't want I can buy - borrow swap would be good .I can machine a spacer ring which would make the housing suitable for either GB

Noel

**puma130tc** · 20th July 2015, 09:05 PM

I have one, in adelaide, can post, not needed at the moment.
Would probably prefer to retain ownership, sometime in the future...

Regards
Pete

**Ancient Mariner** · 21st July 2015, 08:55 PM

Thanks Pete I really need to buy one as when machined as pic make a ideal jig for machining the recess for the layshaft instead of using measurements with no chance of error

Noel

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LT230 to Isuzu GB

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