Search results

With the help from above I found it. The TM only lists a quantity of 2 of these switches on the truck when in fact 3 are used. The one truck I have the light will operate at well below 60psi, as it will function almost down to zero air in the tank. After finding it in the book, I decided to...

Bingo!!! That's it. I did not see it in the 27 times I looked and none of the vendors saw it in the books either. I will pass the word to them as well. Thanks

Where did you find that number???

Castle, That is actually the low air pressure switch. The spring brake override pressure switch operates at a much lower pressure then the 60psi rating. I am looking to find it in the TM so I can get the correct switch. I have 5 trucks here and every one has a different switch in it, 2 of...

On the M939 trucks attached to the Emergency Air Brake Release valve mounted on the instrument panel is a pressure switch that is connected to the safety control module. It controls the light on the panel in front of the driver to tell the driver the emergency brakes have been disabled. I need...