How does the Jacobs Extarder work?
My m/h is a 1994 Allegro Bus, 5.9B 230 hp (mechanical engine) Cummins DP. It is equipped with a Jacobs Extarder. From what I understand, to stop confusion in what it's called, it is now just called ...
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There is a bleed hole in the flapper valve. If that hole has eroded, and is larger than it should be, the braking power will be reduced.
If the flapper valve edges are eroded, the braking power will be reduced.
If the flapper valve is not closing all the way, the braking power will be reduced.
IMO, you need to take it to a good Cummins shop and have it checked out by someone who knows what to look for.
If the flapper valve edges are eroded, the braking power will be reduced.
If the flapper valve is not closing all the way, the braking power will be reduced.
IMO, you need to take it to a good Cummins shop and have it checked out by someone who knows what to look for.
