How do I install a Donaldson air filter?

[blue_goose]

Filter minders do work.
Jack

[luvrbus]

Filter minders do work.
Jack

Maybe some do work but the ones I run into that people have purchased off Ebay and Amazon are nowhere close to be calibrated for the engine all diesel engines have a different restriction for clean and dirty filters 

[Iceni John]

Maybe some do work but the ones I run into that people have purchased off Ebay and Amazon are nowhere close to be calibrated for the engine all diesel engines have a different restriction for clean and dirty filters 

Is there one that's best for 2-strokes?   My present filter minder is cracked and needs to be replaced anyway, so I might as well get something better if I can.   I have a Racor ECO-BC air filter, the biggest one made, but Racor only offers what looks like the generic filter minders on their website.

John

[Iceni John]

One thing to remember with filter minders  -  if the filter is split or leaking air past bad seals, any restriction gauge such as a Filter Minder won't show anything wrong.   I had this situation a few years ago when I discovered my old air filter had several small splits in it.   After I had an oil analysis done to check for silicates (fortunately none found), I rebuilt my air filter intake plenum so I can now easily look down into the filter itself to check its internal condition (it's an inner-to-outer direction filter).   Only relying on a restriction gauge for the air filter won't always help you.

John

[blue_goose]

One thing to remember with filter minders  -  if the filter is split or leaking air past bad seals, any restriction gauge such as a Filter Minder won't show anything wrong.   I had this situation a few years ago when I discovered my old air filter had several small splits in it.   After I had an oil analysis done to check for silicates (fortunately none found), I rebuilt my air filter intake plenum so I can now easily look down into the filter itself to check its internal condition (it's an inner-to-outer direction filter).   Only relying on a restriction gauge for the air filter won't always help you.

John

You are quite correct, not only the filter has to be in good shape, but the tubes from the filter housing to the intake must be good to save the engine.  I check my tubes with either.  With the engine running spray around everything from the filter housing to the intake.  If you have a leak the engine will rev up.  Old filters even with low milage will go bad.  The glue and paper doesn't last forever. 
All the filter minder is, is a vacuum meter.  When the vacuum goes up the gauge goes up.  If you don't trust the filter minder use a good vacuum gauge with a hold indicator.
Jack

[luvrbus]

Is there one that's best for 2-strokes?   My present filter minder is cracked and needs to be replaced anyway, so I might as well get something better if I can.   I have a Racor ECO-BC air filter, the biggest one made, but Racor only offers what looks like the generic filter minders on their website.

John

I don't know John just read your book and get the right restriction off the top my head I think it is 12 for a clean filter and 20 for a dirty filter @ full throttle on a 6v92.I believe they are all made or own by Donaldson I know the Filter Minder is Donaldson    

[eagle19952]

Is there one that's best for 2-strokes?   My present filter minder is cracked and needs to be replaced anyway, so I might as well get something better if I can.   I have a Racor ECO-BC air filter, the biggest one made, but Racor only offers what looks like the generic filter minders on their website.

John

the best filter minder is the guy holding the wheel... take it out and look at it, feel it, tap it, or light bulb it, if dirt falls out or you can't seee the light .... get a new one

[eagle19952]

You are quite correct, not only the filter has to be in good shape, but the tubes from the filter housing to the intake must be good to save the engine.  I check my tubes with either.  With the engine running spray around everything from the filter housing to the intake.  If you have a leak the engine will rev up.  Old filters even with low milage will go bad.  The glue and paper doesn't last forever. 
All the filter minder is, is a vacuum meter.  When the vacuum goes up the gauge goes up.  If you don't trust the filter minder use a good vacuum gauge with a hold indicator.
Jack

in the arctic there is glacial silt every where...kinda like silica sand, bad stuff.

we always had the oilers wipe down the intake tubes with 90 weight...it was like/better than a tell tale indicator filter minder....it will hold any dust