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From: Norm of Bandersnatch (no email)
Date: Tue Jul 24 2007 - 11:20:16 EDT
I have a Velvet Drive, 72C, I think.
The case should not have any pressure. I would remove the breather fitting
and clean it out.
My dipstick is a threaded plug, it cannot pop out.
I did notice engine surge once. At first I thought I was hearing things,
but after the third time I payed attention and checked things out. The oil
level was indeed low. The nut securing the output flange was loose.
Further evidence was a spray of oil in the plane of the coupling. Adding
oil got us to port without loosing the transmission, then I removed the
coupling and tightened the nut. We have had no further problem here.
It really pays to pay close attention to odd sounds etc, like this. The
last time I did not was when the discharge hose came off the genset
seawater pump (reported on the list) when the hose clamp failed. The hose
still sat on top of the fitting and enough water went through the heat
exchanger and exhaust hose, but the rest of it sprayed the engine room
thoroughly. I did notice that the sound of the water coming through the
genset exhaust hose (which runs through the living quarters) was a little
odd, but chose to ignore it. My Bad! My Mess!
Norm
S/V Bandersnatch
Lying Gloucester Mass
> [Original Message]
> From: Alan Lewis <>
> To: <>
> Date: 7/22/2007 10:05:00 PM
> Subject: lv-ab: Borg Warner Velvet Drive
>
> The Velvet Drive transmission attached to my Perkins 4-108 has started to
> "pop" the fluid level dipstick after running for a short time.
Otherwise,
> the transmission works fine. I suspect that the pressure in the
> transmission must be high and that's what's popping the dipstick.
>
> I have also noticed that the engine RPM's suddenly increase a short time
> after running under load. I haven't checked, but it could be that the
RPM
> increase occurs at the time of the dipstick coming loose from its sleeve.
>
> Has anyone had a similar experience or some suggestions? Of course, the
> mechanic is always an option.
>
> Alan
>
> "Victoria"
> Gulfstar 41 #160
> K1ALL
> Lying Kittery, ME
>
> _________________________________________________________________
>
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>
>
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