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BARGES: All about barges and barging - building, buying, maintaining, equipment, handling on the water, etc.
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TOPIC: Velvet Drive - Oil Change

Velvet Drive - Oil Change 06 Jun 2020 14:54 #116468

  • Balliol Fowden
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Judy & Simon Lawson wrote: Brilliant Balliol,
I had been reading another version of the manual, less detailed than the one from the link that you sent me.
I can now see exactly what to do, thanks very much.
I love this forum :)
Have a great weekend.
Simon


Suggest you have a look at the new oil on the dipstick now. If not nice and clear as it came from the bottle then change again. It sounded as if the old oil may have been in there for a long time. Might be worth changing it regardless now the box has had a bit of a flush, especially if the old oil was mucky.

Balliol.

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Velvet Drive - Oil Change 05 Jun 2020 17:48 #116461

  • Judy Lawson
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Hi Balliol,
Just to let you know that I followed your advice, drained through the bottom cooler pipe, pumped a little residual out through filler and refilled.
Happily no leaks at all, following test run, and then down the Lea from Springfield to Limehouse yesterday and from there up to Chiswick Pier today. Now waiting for weather for Queenborough and then Faversham.
Thanks very much,
Simon

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Velvet Drive - Oil Change 24 May 2020 00:11 #116181

  • Judy Lawson
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Brilliant Balliol,
I had been reading another version of the manual, less detailed than the one from the link that you sent me.
I can now see exactly what to do, thanks very much.
I love this forum :)
Have a great weekend.
Simon

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Velvet Drive - Oil Change 23 May 2020 21:46 #116180

  • Balliol Fowden
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Para. 2-9 on page 5 of the manual (as per previous link) describes the procedure. You do need to disconnect the oil cooler return line to drain the oil cooler. This may well also drain the bulk of the gearbox oil, although the manual is not explicit on the point and it is too long since I last had one of these boxes to remember.

I suspect this may be the recommended procedure because if you just use the hand pump the oil cooler may not drain, meaning that not all the old oil gets drained. That might depend upon where the oil cooler is located and how it is plumbed. It might be that, if the oil cooler is above the gearbox, the oil in the cooler may possibly drain back to the gearbox (as you pump the gearbox out) if you slacken a top pipe on the cooler (oil pipe, not coolant) to allow air in, but that will depend upon the actual installation.

It is always preferable however to drain any engine or gearbox by gravity from whatever drain means is provided, in this case the oil cooler return line tapping. The outgoing rush of oil will drain out sediments and water better than a small hand pump through the filler. You may also fail to get the oil pump suction pipe right down to the bottom of the box.

Best therefore to bite the bullet and get the cooler pipe free.

Balliol.
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Velvet Drive - Oil Change 23 May 2020 21:12 #116178

  • Judy Lawson
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Having bought my ATF - and read the manual about changing the oil, in the BW Velvet Drive 72C, I had a look for the drain plug before getting started. As far as I can see the drain plug is on the RHS at the bottom rear of the box and has one of the cooling pipes connected to it.
I googled oil changes on these boxes and saw that I could use a manual vacuum pump to suck the oil out of the dipstick / filler tube. Is there any reason I should not do this? I really don't fancy disturbing the cooling pipe connections, which are not easy to access and have not been undone in goodness knows how long.
Balliol, Andy, Paul, anyone any thoughts?

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