[AT] Hydraulic fittings

Mattias Kessén davidbrown950 at gmail.com
Fri Aug 14 14:11:08 PDT 2009


Oh, I didn't get it how you got the tape into the system ;-)
Mattias

2009/8/14 charliehill <charliehill at embarqmail.com>

> When you find tape in the hydraulic system it's because of the way the tape
> was installed.  I use the paste but with the tape you start at the root of
> the threads not the end of the pipe and wrap the tape the same was as the
> threads run and stop it a couple of threads back from the end of the pipe.
> That way when you screw the pipe into the fitting the tape doesn't try to
> unwrap and it doesn't get down into the fluid flow.   A lot of folks wrap
> the stuff so that it's hanging all over the end of the pipe nipple.
> ----- Original Message -----
> From: <K7jdj at aol.com>
> To: <at at lists.antique-tractor.com>
> Sent: Friday, August 14, 2009 4:19 PM
> Subject: Re: [AT] Hydraulic fittings
>
>
> > In a message dated 8/14/2009 11:06:46 A.M. Pacific Daylight Time,
> > moscowengnr at yahoo.com writes:
> >
> > The first thing that is needed is knowledge of which type of fitting or
> > thread that you have. For pipe threads there are 2 common type in the US
> -
> > NPT
> > and NPTF (for Fuel). They may go together, but they are different. For
> > either  type I would recommend either a paste or a Teflon tape. There is
> > also
> > straight  pipe threads which may also screw together, but does not seal
> > without some other  sealing mechanism such as a combination of a sealer
> > and a jam
> > nut.
> >
> >
> > Very good summary.  Like so many mechanical devices a little common
>  sense
> > goes a long way.
> >
> > I have noticed Teflon tape in filters.
> >
> > A  couple of months ago I spent a several days working on a new to me
> > "skid
> > steer"  that lost drive on one side.  This machine is driven by two pumps
> > and  motors.  The pumps each have their own suction filters and pick ups.
> > The problem turned out to be a plastic cap (the type that comes on new
> > hose
> > fittings etc) that had been sucked up and completely blocked the pick up
> > for
> > the  pump that powered the motor on the left side.
> >
> > I felt a little dumb when I  located the problem but glad I didn't need
> to
> > speed a couple of thousand on new  pump and/or motor.
> >
> > Gary
> >
> > Renton, WA
> >
> > _______________________________________________
> > AT mailing list
> > http://www.antique-tractor.com/mailman/listinfo/at
>
> _______________________________________________
> AT mailing list
> http://www.antique-tractor.com/mailman/listinfo/at
>



More information about the AT mailing list