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For the, maybe, more ‘mature’ professionals repairers with good memories… does anyone know what oil the gearbox takes, Hotpoint p/n 151442 ?
Car transmission oil may be of the wrong viscosity and contain additives that might corrode bronze, hence my query.
Rob.
Re: Hotpoint 1509/10 transmission oil type
If you are the friend of James Rankin then I have already answered him. Any basic gearbox oil will be fine. The type of oil used was never listed in the specifications AFAIK, certainly not in manuals from 35 years ago and the gears move so slowly that the oil is not under any real duress.
Whilst I often opened up gearboxes to replace bendix springs and gearing salvaged from other gearboxes I would guess that 95{e5d1b7155a01ef1f3b9c9968eaba33524ee81600d00d4be2b4d93ac2e58cec2d} of engineers even forty years ago never bothered to do that.
Re: Hotpoint 1509/10 transmission oil type
If ever we had oil leaks whilst working for hotpoint then the general practise was to replace the complete power unit so never had to top up oil
Re: Hotpoint 1509/10 transmission oil type
In the ‘good old BDA Hotpoint days’ we used Multilube BB and the Hotpoint part number (back then) was HL1541 😀
Re: Hotpoint 1509/10 transmission oil type
They never did tell us just what the SAE grade of the oil was though did they.:)
I believe the OP could be a friend of Hotpointjames, the young Irish lad who also collects and restores old appliances and has stripped down the gearbox.
They did supply an oil seal for the bottom drive shaft but I only tried to do that once and it failed in short order.
I have stripped loads of gearboxes though, saving and re using the original oil every time. I got it down to a fine art and could remove the gearbox sump without even taking the cabinet off. I propped the machine up on four house bricks and with suitable support under the gearbox pulley was able to release the bolts and prise of the sump then lower it to the floor, ( well protected with plenty of old newspapers). 😉
Changed several broken Bendix drive springs that way. Memory not what it was but think the spring was a 150063. 🙂
Re: Hotpoint 1509/10 transmission oil type
Thanks for the interesting discussion Gents – sad that there’s no clarification on what the original spec oil might be.
I’ll try some classic car transmission oil EP80/90, without any soft metal eating additives and see what happens. The old oil is rather black and generally minging but it’s been in there for over 35 years…
R
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