Re: [Phys-l] vacuum pump repairs

["Pete Lohstreter" <plohstreter@mail.hockaday.org>]

Forum for Physics Educators <phys-l@carnot.physics.buffalo.edu> writes:
> I am hoping someone on the list can be of help.  I have 3 old (how old?
> they
> were here when I started teaching in 1968), Cenco and Welch vacuum pumps
> that have been merily gurgling along for over 40 years, with only oil
> changes.  Currently (surprise!) teh seals are leaking very badly and I
> would
> like to eitehr have them repaired or find where I can get seals and try to
> repair them myself (which I have never done before).
> The pumps do not have any model numbers. All teh info I can find si as
> follows
> pump 1

I was able to obtain a gasket set from Welch for my old pump..  Give 'em a
call.

Pete Lohstreter                           "Happy is he who gets to know 
The Hockaday School                 the reasons for things. "
11600 Welch Rd                          Virgil (70-19 BCE) Roman poet.
Dallas, TX  75229

214-360-6389 

plohstreter@mail.hockaday.org

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