Another MCI5 Air Pressure Problem, different symtoms

[Boise Belle]

I read all the info on the thred "Pressure runs too low on MCI-5C"

I had my air compressor governor replaced two years ago, and it worked fine for a while and then the cut in 115psi started creeping up, adjusted back to 115, and within a 100 miles, creep back up.

Replaced a second time, same end results over a few months.  This one re-adjusted 5 times.

Any ideas?

[richard5933]

I read all the info on the thred "Pressure runs too low on MCI-5C"

I had my air compressor governor replaced two years ago, and it worked fine for a while and then the cut in 115psi started creeping up, adjusted back to 115, and within a 100 miles, creep back up.

Replaced a second time, same end results over a few months.  This one re-adjusted 5 times.

Any ideas?

If by creep up you mean that the pressure goes higher and higher, then perhaps you have a blockage or leak in the air line that sends the pressure signal to the governor. If that line doesn't send the pressure through, the governor will not know you've arrived at proper pressure.

[niles500]

Did you set the lock nut on the governor ?

[Dave5Cs]

MCI 5 air pressure should be about 118 to 120 by the book. How high does it go up too.

[DoubleEagle]

When the governor was replaced, was it a genuine Bendix, or a Chinese knock-off? A Bendix will have raised letters in the casting.