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Author Topic: Detroit Drip Catcher  (Read 546 times)
bigred
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« on: August 10, 2014, 01:14:52 PM »

I have found that they make a drip catcher for the older Detroit engines pn 23507154 air box drain kit.The installation instructions look very simple maybe an hour long job,but having been involved in these one hour going on two week installations before ,I am wondering if any of you guy's have installed them and if so ,how difficult was it to install and how well do they work.Thanks in advance for any insight you can shed on this project.   
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akroyaleagle
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« Reply #1 on: August 10, 2014, 01:19:06 PM »

Get two pieces of gas hose.
Cut to fit.
Put one end on the tubes and the others in a plastic antifreeze jar located anywhere you want it.
Mine is in my generator bay.

Works well
Easy and quick to install
Much less cost!
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Joe Laird
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Huron, South Dakota
luvrbus
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« Reply #2 on: August 10, 2014, 01:23:57 PM »

Walker products still sell the catch cans just about any transit bus in CA had those,I not a fan of the catch cans fwiw,keep the check valves clean and they drip very little
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bigred
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« Reply #3 on: August 10, 2014, 01:30:11 PM »

Joe:Is there enough pressure on the air box discharge tubes to push it to another compartment?I was thinking these things were just drained by gravity.I like your idea better because this drain kit is in the four hundred dollar range.Any fool knows that you can buy a lot of gas hose for that!
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luvrbus
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« Reply #4 on: August 10, 2014, 01:38:49 PM »

They pop up on Ebay for 50 bucks, if the check valves are right they only drip when stopped fwiw
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akroyaleagle
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« Reply #5 on: August 10, 2014, 01:43:44 PM »

There is no pressure on the tubes.

If they are working correctly they are opened with air pressure
when engine is started and closed when engine is shut down
and there is no airbox pressure.

The one way check valves are in the tubes toward the airbox.
Their design makes them close by springs when there is no pressure.

As Clifford said, make sure they are clean.

The catch bottle should be as low as possible.

Mine have been there for over 18 years.
I emptied them once with the old 8V71 and had maybe a tablespoon of oil.
The 8V92 has been there since 2000 and no oil has appeared in the bottle yet.

I'm no Clifford, but I think most problems with these drains are due to excess idling.

That's my story and I'm sticking to it (Unless Clifford re-educates me.)

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Joe Laird
'78 Eagle
Huron, South Dakota
robertglines1
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« Reply #6 on: August 10, 2014, 03:08:28 PM »

open til about 900rpm when pressure is great enough in the air box to close them to the outside air.  A stuck one will let it stay open. If it is closed as designed anything in air box will be redirected into combustion chambers rather than out hose.   Think they are available to close at 700rpm also /high idle speed. Just a observation.   Bob
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« Reply #7 on: August 11, 2014, 04:56:58 PM »

Instructions for the curious...
http://www.wanderlodgeownersgroup.com/downloads/Detroit_Diesel_Tips_Modifications/DETROIT%20DIESEL%20AIR%20BOX%20DRAIN%20KIT.pdf
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