Looking for RR-ACU Test Box RH 8851 - Rolls-Royce and Bentley Forums
 
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post #1 of 7 (permalink) Old 06-02-2011, 02:35 PM Thread Starter
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Looking for RR-ACU Test Box RH 8851

Hi,
Does anybody has or knows a RH8851 Air-conditioning test box for sale?
I've run into serious airco problems and in the TSD4200 manual al testing is done with the blasted test box.
Eventually a detailed electric circuit diagram might serve to build one.
Anybody?????
Cheers,
Joseph.
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post #2 of 7 (permalink) Old 02-08-2012, 10:51 AM
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I realize this request is quite old, but since I've run across it I thought I'd post a link to the Flying Spares web page where you can rent this test box. There is a very substantial (and justified) non-return/broken return fee of approximately $800 US on this unit. The rental fee as of today's date is 50 Pounds Sterling.

If anyone knows of other rental sources, these things are hard to come by, so please post.

Brian

The opposite of a correct statement is a false statement. But the opposite of a profound truth may well be another profound truth.
~ Niels Bohr


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post #3 of 7 (permalink) Old 07-13-2019, 03:44 AM
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Hi all, I'm looking for an ACU tester RH 8851 too. Just a diagram of it would help too in order to rebuild one. Thanks for any hint.
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post #4 of 7 (permalink) Old 07-13-2019, 05:30 AM
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Flying spares in UK should loan one, look on their website


https://www.flyingspares.com/shop/ro...ne-rh8851.html
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post #5 of 7 (permalink) Old 07-13-2019, 11:51 AM
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The test box just tells you servo action which for the most part you can hear yourself if you know where they are.

LRL-41587C
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post #6 of 7 (permalink) Old 08-11-2019, 12:43 PM
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Test box

Quote:
Originally Posted by Wraithman View Post
The test box just tells you servo action which for the most part you can hear yourself if you know where they are.
I have one for sale out of Italy (sardegna) 1300.00 euros
+39 353 322 6315 Marcus
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post #7 of 7 (permalink) Old 08-11-2019, 04:17 PM
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Quote:
Originally Posted by Wraithman View Post
The test box just tells you servo action which for the most part you can hear yourself if you know where they are.
I set my system up correctly without a test box.
Personally, the box is not necessary. Once you get your head round how it all works, it is not that difficult to fault find or set up.

Jake.
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