Steve,
We have found that the easiest way to put in a seal is to drive the bottom
bush in about an extra 3/16 inch and then using a 1/8 inch piece cut from
the old bush to hold an "O" ring in the assembly. This keeps the oil in and
the dirt out.
Gerry
> -----Original Message-----
> From: Steve Moore [SMTP:steve.moore@tag.csiro.au]
> Sent: Wednesday, April 14, 1999 6:02 PM
> To: John T. Blair; morgans@autox.team.net
> Subject: Re: one-shot lubrication
>
> >Other than for authentisity, they really didn't work out. I shouldn't
> say
> >that. They do an excellent job of keeping the front wings and wire
> wheels
> >from rusting. But as to their intended purpose of extending the live of
> the
> >king pins, it didn't really work.
>
> >John
> >
> >
> >John T. Blair WA4OHZ email: jblair@exis.net
> >Va. Beach, Va Phone: (757) 495-8229
> >
> > 48 TR1800 65 Morgan 4/4 Series V
> >71 Saab Sonett III 75 Bricklin SV1 77 Spitfire
> >
>
> Not so John,
>
> I had converted my 4/4 from the one shot system to grease nipples but
> recently changed it back. The recommendation is to use molybdenum
> disuplphite grease in the front suspension. The trouble is that this
> grease
> tends to weep and dry out. The one shot system is great at replacing the
> lost fluid. If the system is leaking oil everywhere then you are using it
> too often or your kingpin bushes are shot.
>
> The major wear in the front end is at the bottom bush and is mainly due to
> dust getting in the excess grease and effectively turning it into grinding
> paste. The top bush is protected by the dust cover that sits inside the
> top
> coil spring. A good solution to this is to fit an oil seal under the stub
> axle (above the rebound spring). This reqires having a cup machined which
> will take the seal and fit snugly around the bottom of the stub axle. The
> kigpins are 1" diameter and thin seals of this dimension are available at
> most stockists. Leather is best but becoming hard to find.
>
> Hard chroming the kingpins helps also as does the use of bushes made out
> of
> the newer nylon based materials. The trouble is that you have to find
> someone who really knows what they're doing to ream these nylon bushes.
>
> Cheers
>
> Steve
>
>
>
> Stephen S. Moore
> Principal Research Scientist
> Beef CRC Molecular Genetics Sub Program Leader
> CSIRO, Tropical Agriculture
> Molecular Animal Genetics Centre
> Level 3, Gehrmann Laboratories
> University of Queensland, St. Lucia, 4072
>
> ph 61 7 3214 2476
> fax 61 7 3214 2480
>
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