The Craftmans Shop > New from Old
Puma / Dorman 6LE / MacFarlane B46B / 110 kVA Generator Resurrection
edward:
It's always rather tickled me that the German DIN standard Scuba regulator connector has a G5/8 thread :-)
awemawson:
Yes it’s nice to see Whitworth form threads still exist in the modern world and crop up in the most surprising places. Joseph would be (rightly) proud that all his work wasn’t in vain.
V8DRUID:
--- Quote from: awemawson on September 29, 2019, 08:06:31 AM ---Thanks chaps :thumbup:
Today's objectives:
A/ Remove and identify battery charging alternator
B/ Strip out the old relay controller and it's wiring.
Now this charging alternator has a pressed plate on the rear secured by three slotted head screws, but in such a position that you can't easily get a screw driver at them due to the oil filter housing, and they were VERY tight. They'd been soaking in 'Plusgas' over night but even so I ended up having to use my impact driver - anyway eventually they unscrewed revealing a mess and a bodge. The main output 'faston' terminal has obviously grossly over heated and is corroded and slack, and one of the other terminals has been bodged with ty-wraps and what looks like a bolt :scratch:
Now previously I'd mentioned a mystery wire from a water temperature sensor that went into the alternator - no, the cable just passes through and behind the rear plate so at least that mystery is solved.
Try as I might I could not shift the through pivot mounting bolt, again it's not in the easiest of places but never the less it's 'spanner bending tight' and has been given another anointment of Plusgas.
It seems that the engine has 'pad mount' provision for an alternator, but has a bracket attached to the pad converting it to a more conventional 'J180' mounting but the spacing of the pivot 'ears' is rather short at about 75 mm. It may be that I end up removing the pad mount adaptor and alternator as one and attack it on the bench.
The external charging alternator controller is a CAV 440A so I suppose it is probable that the alternator itself is a CAV - if anyone recognises it please shout. I think I'd prefer to replace it with one with an integral regulator but if I can get it off I'll take it to my local 'auto electrician' who rebuilds starters and alternators and see what he has to say about it.
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Identical to what I used to have on a Grove TMS180 crane and on my Ransome Rapier HS10 crane .... regrettably i can not for the life of me recall the makers name ..... the control units went wrong for a past time and always had a few spares sat about ... and a second unit on board the Grove .... which lived in the cab and was an easy change when the charge light failed to go out/came on .... the name will come to me ... eventually
awemawson:
All fixed now thanks Graeme.,
It’s a CAV unit. The original was pretty trashed, rear bearing has collapsed peppering the slip rings. I sourced a working unit with noisy bearing and Put new bearings in and it worked fine, but I’ve also recently rebuilt the original unit as a spare.
V8DRUID:
--- Quote from: awemawson on October 08, 2019, 12:44:26 PM ---Joe, the paint was from Bitec who feature on eBay:
http://www.ebaystores.co.uk/MDA-Bitec/Hamer-Finish-/_i.html?_fsub=25448221011&_sid=210466991&_trksid=p4634.c0.m322
!
--- End quote ---
I use Firwood Paints, Bolton, for my hammer finish paints ..... and just about every other paint requirement ...
used them for decades ... good prices and excellent products ...
their oil and petrol resisting aluminium primer is just awesome and incredibly long lasting as a finish with a couple of coats .. looks like a galv finish and stays the course for years
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