June 23, 2018, 08:41:06 AM

Author Topic: Brake apply pressures-Service versus spring?  (Read 804 times)

Offline Low Class

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Brake apply pressures-Service versus spring?
« on: July 13, 2013, 08:55:12 PM »
Does a full service brake application deliver full system pressure to the diaphrams?

What about the spring brake?  I would guess that it would equate to the pressure that it begins to release, which would be what__40-50 psi?

Some time ago, I read a good article about brakes that was written by RJL.  I can't find it.  RJ, is it still available?  Link?
Jim Keefauver/1985 Wanderlodge PT36/6V92TA/MT654CR/East Tn.

Offline bevans6

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Re: Brake apply pressures-Service versus spring?
« Reply #1 on: July 13, 2013, 09:50:30 PM »
A normal spring brake application is about equal to 60 psi.  If your brake system is working properly a full brake application at the pedal should send 100% of available air pressure to the chambers.

1980 MCI MC-5C, 8V-71T from a M-110 self propelled howitzer
Spicer 8844 4 speed Zen meditation device
Tatamagouche, Nova Scotia