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Author Topic: Where to get water temp??  (Read 5067 times)

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Offline Judge

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Where to get water temp??
« on: December 03, 2012, 09:13:39 PM »
I recently acquired a Hesse Hornet air �compressor. �In case you don't know what one is, it is an air compressor based on a Jeep L134 engine with cylinders numbers 1 and 4 operating as per usual, but 2 and 3 pumping air. �The Hesse company of KC, MO made them in the 1970's???. �This unit does not have a water temp guage and as far as I can tell, never had one. �I want to use a �mechanical gauge, so my question is :Where does a CJ "plug" into the L134 with a sensor for the gauge?? �Thanks
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Offline F Bill

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Re: Where to get water temp??
« Reply #1 on: December 03, 2012, 09:17:49 PM »
Should be a large threaded hole in the side of the head for your gage sender, usually requires an adapter bushing for the gage tube fitting to thread in. �What your Hesse has could be is anyone's guess...but I would try to get the gage somehow mounted in to the head water jacket.

I went looking for some  HH pics and found this thread over on the gee: �http://www.g503.com/forums/viewtopic.php?f=129&t=199375 � but after checking out the pics linked to in the thread I saw no place in the HH head for your gage...You may end up having to use the upper water hose to thread your sender into the water system but it will only work when the thermostat is open that way....
« Last Edit: December 03, 2012, 09:52:08 PM by F_Bill »
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Offline athawk11

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Re: Where to get water temp??
« Reply #2 on: December 03, 2012, 11:15:26 PM »
I'm familiar with the Hesse Hornet compressor, but not enough to know they didn't have some way to gauge the temperature.  The threaded hole that Bill mentions is just behind the distributor on the L134 head in the CJ.   The head on the Hesse is clearly different.

What about the water pump?  One of the heater hose connections for a Willys is a threaded hole in the water pump.  This may be a point of entry.  

This makes me wonder...if your Hesse doesn't have provisions to gauge the temperature, did any of them?  Seems to me that you would want to know what your temp is in any internal combustion engine.

Tim
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Offline Judge

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Re: Where to get water temp??
« Reply #3 on: December 04, 2012, 02:49:18 PM »
The head on the L134 was made by Hesse for the compressor. �It has no water outlet that I could find, which I think is strange, bearing in mind that the engine will run as a stationary engine and if using lots of air, it will be a hard run for the L134. �My unit is a complete unit and running unit when I bought it. �It has an air pressure gauge (of course) and an oil pressure gauge as well as an on/off switch and a push to start button. That's it. �It does not have a gen or alt. or fuel tank and I think it was most likely mounted on a service truck and used the truck's fuel and electric. �I will install a temp gauge on it somehow.
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Offline athawk11

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Re: Where to get water temp??
« Reply #4 on: December 04, 2012, 07:29:20 PM »
Judge,
Did you check the water pump for a threaded entry?  Now I'm curious.

Tim
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Offline Judge

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Re: Where to get water temp??
« Reply #5 on: December 04, 2012, 08:44:57 PM »
There is a large plug on the right (Passenger) side of the water pump behind the oil filter.  That is probably where I'll try i to get a probe in, but now that I type this, I wonder how deep that will be.  Will the probe hit bottom or worse, the pumb impellers?  Hmm. Well, this is all on the to do list.  I broke the stud off where the exhaust pipe attaches to the maniford.  Of course, the bolt on the opposite side, came right off.    i\I did notce some hair line cracks on the intake --wonder if it is sucking air?    I'll put that on the list to check out when it is back to running .   Thanks guys for yur continued help and interest.  
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Offline athawk11

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Re: Where to get water temp??
« Reply #6 on: December 04, 2012, 11:35:28 PM »
That is a concern. �Maybe you could use an appropriate length of threaded pipe and a couple? �

Let us know what you come up with. �Thanks for sharing. �Pictures would be great. �We all like pictures. [smiley=thumbsup.gif]

Tim
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Offline DTFM33

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Re: Where to get water temp??
« Reply #7 on: December 29, 2012, 06:10:56 PM »
If the head was the same as the CJ, I wonder if the 2-3 cylinder being cold, non firing would give you a false reading. I like the water pump port idea.
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Offline Judge

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Re: Where to get water temp??
« Reply #8 on: January 27, 2013, 06:36:08 PM »
Still looking for an entry for the temp gauge. �I removed the water �drain on the right side of the block , but unfortunately the temp probe was too long. �Talked to another HHornet owner and he said his never had a temp gauge. �I guess they never had a temp gauge.
« Last Edit: January 28, 2013, 09:36:43 PM by Judge »
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Offline 1955CJ-5

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Re: Where to get water temp??
« Reply #9 on: January 27, 2013, 07:20:30 PM »
You might check the radiator itself for an access point for a temp probe, probably in the lower tank.  
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Offline Judge

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Re: Where to get water temp??
« Reply #10 on: February 01, 2013, 05:24:34 PM »
I finally got  to fitting the temp probe to my Jeep engine on the Hesse Hornet.  It appears from what you guys told me earlier, that the stock 4 cy Jeep  L134 had a place in the head for the probe.  Because Hesse made their own head for the compressor, no fitting.  I finally used the plug on the right side of the water pump --as you look at it from the front.  I had to get creative because the probe was too long and wide for the opening. I will not be surprised if it reads low, but then Hesse never saw fit to put any temp gauge on their units.   However, I have some more work on the unit before I refill it with anti-freeze to see if this all works.  
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Offline athawk11

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Re: Where to get water temp??
« Reply #11 on: February 03, 2013, 05:59:07 AM »
Hey Judge,

Post a photo of the set up when you get a chance.  

Tim
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