1985 TV antenna lifter motor

[Stephen Birtles]

Was bought by Danaher the linear drives are still available but are a
special order the old number was a warner number
the Blue bird part number is 3748985
Danaher can still cross the part over and it can be bought
It is expensive around 400.00 list
Stephen 77fc35

--- In WanderlodgeForum@yahoogroups.com, "Mike Hohnstein"
<MHOHNSTEIN@...> wrote:
>
> Warner Electric, Beloit WI, RIP many years now.
> MH
> ----- Original Message -----
> From: mrkane1952
> To: WanderlodgeForum@yahoogroups.com
> Sent: Sunday, January 13, 2008 6:46 PM
> Subject: [WanderlodgeForum] 1985 TV antenna lifter motor
>
>
> Greetings All:
>
> I wanted to watch the play-offs in HD via off-the-air digital
> broadcasts from the local stations, but the TV antenna lifter fails to
> raise the antenna on my 1985 PT40. The motor makes "slipping clutch"
> noises when run in either the "raise" or "lower" modes. After
> removing the extension assembly, it was possible to use the motor to
> raise the stubs to allow access to the (eighteen!!) cover screws, each
> of which required an impact driver to loosen.
>
> The lifter consists of a single assembly integrating motor and gear
> train. The only mark is a sticker "Warner Electric."
>
> There is a micro-switch positioned such that it probably was intended
> to open the circuit, stopping the motor when the antenna was
> completely retracted. However, the usual mode of operation during my
> ownership has been to raise or lower the antenna until slipping is
> heard. (This is a "tock-tock-tock" sound.)
>
> Anyone have any experience with R/R on this unit?
>
> Thanks--
> M.R.Kane
> 1985 PT40
> currently San Marcos, TX
>
> PS: I seem to be in one of those phases: on the last trip down from
> the roof, the plastic step-stool I've been using for some time
> shattered to pieces. Had a good grip on the ladder, so no harm.
> Managed to short out the power leads for the co-pilot seat by pinching
> them in the swivel. Symptom was repeated tripping of a DC circuit
> breaker in the curb-side forward load center. Troubleshooting was
> unusual, as several wires of different colors were all numbered "10."
> Last week discovered an inoperative slack adjuster on one side of the
> drive axle, which had existed for some time judging from the different
> wear on the brake shoes. Properly adjusted brakes work so much
> better! And the previous week, the 50 A. receptacle on the coach
> shorted out (at 1:08 A.M.,) burning a hole through the case. Was able
> to get a reference number from Earl at BB, as the original
> manufacturer, Arrow-Hart, is gone. Number is Bryant 7968 (Bryant is
> owned by Hubbell.) These are U.L. approved, but not to current
> (NEMA?) standards. In order to make the minimum order I also got the
> connector for the coach end of the cord. A local electric supply
> company in Seguin was able to get them overnight, but as usual there
> were issues. The receptacle did not include the strain relief/seal on
> the original--lucky that wasn't melted so I could reuse mine.
> Secondly, although cataloged as the same steel plug as on my cord, the
> new plug (Bryant 7764) is nylon, and about twice as long as the
> original. It will work, but the compartment door cannot be closed and
> locked as before...
>