I have tried to post a pic of the engine on the 05. I have circled the sensors in question. Everytime I try to post I get file tooooo large.! I thought I was computer savy!!! I resized twice still no luck. It is posted on webshots. It is the only way I cab show it. The pic is on page 6. The name is DSC-0095. Any help would be appreicated!! http://home-and-garden.webshots.com/album/114111372sZFqzI?vhost=home-and-garden&start=60
(https://busconversionmagazine.com/forum/proxy.php?request=http%3A%2F%2Finlinethumb16.webshots.com%2F41359%2F2842323820053449967S500x500Q85.jpg&hash=b93804b381f98d9dafc5ecdc44caad1fe6d174f2) (http://home-and-garden.webshots.com/photo/2842323820053449967oTwmoP)
Hi Eric,
Hope that helps, go to the pic you want to post, click on "copy code to post this photo on a forum", choose the size, I chose 500, then right click and copy the code, then paste it on the page you are posting.
What engine is it by the way? 8v71?
Paul
How in the heckkk did you do yhat!!!!
I added the description on the page I posted after I posted the pic, wanted to make sure it worked.
I also use webshots and have lots of experience! ::)
You would think that as a mechanical engineer I would be able to do that!!! I use CAD in my business everyday to run my CNC machines, but I can't even re size a picture!! LOL I guess that is the difference between making cabinet doors and working on a bus!!! WE ALL NEED HELP ONE WAY OR ANOTHER!!! Thanks!!!
(https://busconversionmagazine.com/forum/proxy.php?request=http%3A%2F%2Finlinethumb41.webshots.com%2F42920%2F2842323820053449967S600x600Q85.jpg&hash=b506fff95095e21b47a02f7af7fecb54700d6392) (http://home-and-garden.webshots.com/photo/2842323820053449967oTwmoP)
This is the 600 size. I wanted to include this for a better view of what you need.
I'm still learning myself, so don't feel bad, it all changes so fast I can't keep up!
What is your question exactly regarding the sensors?
You also might get some help on www.eaglesinternational.net. Come join in the fun!
Paul
On the curb side, the rearmost/largest unit is your alarmstat for high temp shutdown. The front one is your engine temp sending unit. I can't see the driver's side unit clearly enough. Can you post a close up?
Good luck!
Glenn
also I just found what I was looking for! I have had trouble loading or resizing pictures here from day one! I recently found this thread and link very helpful! I down loaded it and now all I do is right click on the picture and click on re-size. Then when I get a choice I chose custom and put in 480 X 360 and it works like a charm!
If I can do it! You can too! FWIW ;D BK ;D
opps I forgot the link! LOL!
http://www.busconversions.com/bbs/index.php?topic=10049.msg0#new
Lets see if I have learned anything bout this resizn !!
Thanks for the close up Eric! That sure looks like another temp sending unit. Double check for any numbers on both units. If they have numbers and are the same, sweet!
Glenn
FWIW both heads should have a shut down stat in them and the right head (looking at it from the rear of the bus) should also have a temp sending too! (sometimes folks will put a temp sending unit in both heads with a temp gauge on both sides of the engine compartment for comparison purposes and not a bad idea either!)
If ya follow the wires or use an ohm meter you can tell which ones are hooked together which will be the shut downs.
Also if ya take a test lead and short them out to the block with the engine running it will either shut the engine off (if it has air and the system is working properly), or the temp gauge will peg full hot! One or the other it will not harm it to try this! FWIW ;D BK ;D
Thanks guys for the help with the temp sensors!! I am down to the emergency. shutdown system to have everything done. My thinking is that there are only two reasons for this system to shut off 12v power to the fuel skinner valve. Low oil, and over temp. This means that both would need to be hooked in a series with the fuel shutoff which is controlled by the ign/ switch. I am assuming that the overtemp sensors (Left, and right bank) are normally closed. The low oil sensor is remote mounted. It has 3 wires which I have not put an ohm meter on yet. I assume it would be normally open. If I hook all in series the low oil will always want to shut down before the engine starts. Not a problem if the air system is down. However if it is up it will not work. I know there is a simple answer, just need the think tank to ponder it!!
Only problem with chasing wires is that I took em all off!!! Smart! probably not!! But I have been able to rewire the entire bus using the existing wire harness. The emer. system is the last part of the puzzle.
I do not have my manual in the house with me (it lives in our bus), but I remember the my MC-8 schematic showed diodes to allow either low oil or hot engine to activate the appropriate warning device AND shut down the engine without activating the inappropriate warning device. The starter switch was also wired into this circuit to allow the starter switch to be used to override the auto shutdown, using a pressure switch on the secondary fuel filter to prevent the starter from energizing. (so you could at least pull off the road). Jack
Quote from: Ericbsc
I am assuming that the overtemp sensors (Left, and right bank) are normally closed. !!
Eric they are normally open and whenthey get hot enough they close! Hence the simple test of the system is to ground them! FWIW ;D BK ;D
I need to rethink my plan!!! I was going to run the 12v pos thru the watertemp and low oil to the shutoff fuel valve. That was assuming that they were all normally closed. If any one of those openen, it would cut power to the shutoff cell. and the fuel would shut off. Any suggestions?
Eric,
Doing what BK advises will check out the performance of all of the "over temp shutdown system" EXCEPT the actual sensing unit. I would have them out and in a pan of water on the stove with a thermometer in the mix.
I have been told that over the years and for different reasons these type devices get disconnected.. Instead of repaired at some point, I guess. They are all suspect for that reason.
I would check the operation of the low oil sensor during the drain step when I changed oil. Every time I changed oil.
I would opt for an "overfull oil sensor" for the oil as well. Collent leaks and fuel leaks into the sump will ruin the engine long before you detect the missing coolant or note the reduced MPG( :P )
I think a low coolant alarm is appropriate, also.
Not all these sensors need to shut down the engine but a buzzer and red light on the dash is a minimum alert. I have these added to my motor home.
John