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Vintage Diesel and Oil Engines Fairbanks Morse, Lister, Petter, Witte and other pump injected Diesel oil engines.

Vintage Diesel and Oil Engines

Old CAV Injector Tester


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  #1  
Old 01-12-2013, 08:23:10 AM
bocephus_k6 bocephus_k6 is offline
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Default Old CAV Injector Tester

Just wondered if anyone has or knows where I could get info or a schematic on an old CAV Injector tester. Don't find much info anywhere on the web on them.

Brian
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Old 01-12-2013, 06:26:43 PM
Heins Heins is offline
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Default Re: Old CAV Injector Tester

Here is a picture of my nozzle tester. You could build one out of a hydraulic jack. I think mine has a 3000 lb gauge on it.
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  #3  
Old 01-12-2013, 06:46:29 PM
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Default Re: Old CAV Injector Tester

You may have luck on the British forum.
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  #4  
Old 01-13-2013, 06:32:28 AM
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ListerDiesel ListerDiesel is offline
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Default Re: Old CAV Injector Tester

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Originally Posted by bocephus_k6 View Post
Just wondered if anyone has or knows where I could get info or a schematic on an old CAV Injector tester. Don't find much info anywhere on the web on them.

Brian
I have two of the old-style testers, what information do you need?

Peter
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  #5  
Old 01-13-2013, 09:57:07 PM
bocephus_k6 bocephus_k6 is offline
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Default Re: Old CAV Injector Tester

Hi Peter, well on the tester, up near the guage there is a horizontal valve that shuts off fuel flow to the injector line it looks like. On mine if I open that valve it leaks around the copper gasket on the nut that holds that valve in the housing.....I machined a new shaft for the valve and knob as the old one was broken off......but something seems to be missing to seal that shaft off when pressure is sent to the injector.

Would you have a manual or parts book by chance.?

Brian
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Old 01-20-2013, 03:53:39 PM
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Default Re: Old CAV Injector Tester

I'll have a look in my CAV manuals, might be something there.

There are two types:

7044-122 The 'old' type with an injection pump as part of the rig.

7144-664 The 'new' type, all enclosed.

I have instruction books for both.

Peter
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Old 01-20-2013, 10:47:33 PM
bocephus_k6 bocephus_k6 is offline
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Default Re: Old CAV Injector Tester

I believe it is the old one Peter.....has a 6 inch brass guage on it.....

Brian
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  #8  
Old 01-23-2013, 09:11:49 AM
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Default Re: Old CAV Injector Tester

OK, I'll have a look at my two and see what gives.

I'll also scan the instruction books and put them in the CAV Diesel section on the websites, won't be for a few days though.

Peter
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Old 01-31-2013, 02:53:15 PM
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Default Re: Old CAV Injector Tester

I'm waiting for some parts lists that show a breakdown of the unit.

Peter
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Old 01-31-2013, 09:30:03 PM
bocephus_k6 bocephus_k6 is offline
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Default Re: Old CAV Injector Tester

Ok no rush Peter.....thanx a million for the effort.

Brian
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Old 03-08-2013, 10:55:24 PM
gustavus gustavus is offline
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Default Re: Old CAV Injector Tester

Urgently needed.. I'm looking for pipes used to connect the injector being tested to the CAV Pop unit.

If anyone has spares to sell let me know, the after-market testers all have metric fittings which will not connect to the British made tester.
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  #12  
Old 08-08-2017, 04:35:55 PM
DunlopBob DunlopBob is offline
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Default Re: Old CAV Injector Tester

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Originally Posted by ListerDiesel View Post
OK, I'll have a look at my two and see what gives.

I'll also scan the instruction books and put them in the CAV Diesel section on the websites, won't be for a few days though.

Peter
Hello , did you put these instructions up as I have aquired a CAV pop tester , but the knob does not seem to work and it also leaks around the copper washer . Can you tell me where you put the instructions please . Regards Robbie .
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Old 08-11-2017, 07:47:46 AM
DunlopBob DunlopBob is offline
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Default Re: Old CAV Injector Tester

This is the injector tester in question, does any one have any literature or information on is as some repairs will be required?
Cheers Robbie
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  #14  
Old 08-12-2017, 06:38:36 AM
Oil Power Oil Power is offline
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Default Re: Old CAV Injector Tester

Bob you are not the first to have a leakage problem with one of these testers! The gauge isolating valve can be dismantled by unscrewing the hexagon bush behind the hand wheel. The hand wheel is retained by a roll pin that can be driven out with a pin punch. A spring within the hand wheel presses the spindle in the outward direction and loads the flange on the inner end of the spindle, against the retaining bush. The faces of the bush and spindle flange may need lapping to get the faces to seal. Cant remember if there is a washer used and an O ring. If the leakage is from the copper washer on the retaining bush you might only need a new washer or to face and anneal the old washer. Will look for a parts list tomorrow.
Hugh
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Old 08-12-2017, 06:58:17 AM
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Default Re: Old CAV Injector Tester

Thanks Hugh.
Any information on this tester will be great, I always like to have manuals and literature for every thing old I have as they are sometimes very hard to obtain.
Thanks again Robbie
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Old 08-15-2017, 08:56:00 AM
Oil Power Oil Power is offline
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Default Re: Old CAV Injector Tester

No luck with a parts list but have scanned the instruction book. Readers may fine it interesting. A parts list may be hard to find. Perhaps Internal Fire Museum may help.
Hugh
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Old 08-15-2017, 09:00:36 AM
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Default Re: Old CAV Injector Tester

More pages.
Hugh
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Old 08-15-2017, 12:06:45 PM
DunlopBob DunlopBob is offline
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Default Re: Old CAV Injector Tester

brilliant Hugh, this should be usefull.
Thanks Robbie
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Old 11-19-2017, 02:31:04 AM
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Default Re: Old CAV Injector Tester

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Originally Posted by Oil Power View Post
More pages.
Hugh
Thanks very much. I have one of those testers and it's nice to have the manual. If you have a larger or finer resolution scan sometime that would be great too.
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Old 06-30-2018, 03:19:32 PM
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Default Re: Old CAV Injector Tester

Hi did anyone have any info on on the 7144-664 cav pop tester ive got a leak from the knob on the right side tester seems to work when this is shut also at the rear there is an adjusting screw with lock nut this was screwed right out and tester wouldnt pressurize till i screwed this in
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