| Author |
Message |
T. (Bluegrass)
Rating: N/A
Votes: 0 (Vote!) | | Posted on Thursday, March 30, 2006 - 10:27 am: | |
Does anybody know how to hook up an exaust brake on a cummins engine |
Gary Stadler (Boogiethecat)
Rating: N/A
Votes: 0 (Vote!) | | Posted on Thursday, March 30, 2006 - 2:13 pm: | |
Yes... but you probably should be a bit more specific as to your question...
What model Cummins, what manufacturer of brake... air or electric (or combination) activated? Do you have it or are you still looking... if you have it do you have any of the switches/control parts for it...can you weld...etc
Basically they are pretty simple. If you post more info, I or others can help |
T. (Bluegrass)
Rating: N/A
Votes: 0 (Vote!) | | Posted on Friday, March 31, 2006 - 2:15 pm: | |
Yes Gary I can weld, yes I already have the exaust break, and Its for a Cummins 8.3 engine and yes It Is air with electric activated. I do have the switches the exaust break was taken off a 2000 ford truck about 4 yrs ago and I cant remember how to put it back on.
Thanks
Tony |
Gary Stadler (Boogiethecat)
Rating: N/A
Votes: 0 (Vote!) | | Posted on Friday, March 31, 2006 - 3:10 pm: | |
Hi Tony,
Basically the circuitry should go like this:
You need a dash switch fed from the main ignition terminal of your key (or main power bus from a key-activated relay if that's what you have) that turns the exhaust brake system off and on, then the voltage from the dash switch goes through two more switches before it goes to the solenoid...
One switch would be on the clutch pedal that is normally on but turns the brake off if you push on the clutch (this one is optional)
...and another similar switch on the fuel pedal that turns the solenoid off when you step on the gas.
The air pressure to the solenoid comes from your brake tanks. As an alternative to the main dash switch, you could instead install a dash-mounted air valve that feeds the solenoid, and turn air on and off instead if electricity, but that's probably a lot more complicated.
When you weld your exhaust brake in the exhaust line, put it after the turbo if you have one, but before the muffler, and if you can get it right after the turbo but before any flange connections, flexible piping, or removable joints, all the better. It will create 25-45 psi in the exhaust system and putting it nearer the engine eliminates possible leak points, which would reduce it's efficiency.
I like to add a pressure gauge on the dash that indicates exhaust back-pressure when the brake is on...
I also like to add two indicator lights.. one hooked to the dash switch that tells you the system is enabled,
-and another of a different color hooked to the solenoid to tell you the system is activated.
These are handy in that they give me reassurance that it's all working correctly, and they help sort out problems if any arise.
Hope that is the info you need... if you have any more questions, we're all here!!! |
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