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Re: Why Do Heavy Trucks Use Air Brakes Instead Of Hydraulic?
Posted to Technical Theory Forum on 4/4/2010 2 Replies

At 11:30:15 PST on 04-04-10, Kevin McCartney wrote: Hi Kevin,

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Carl would be correct. The "Parking Brake" circuit releases the spring brake by applying air in that portion of the chamber. The "Servi... Login to read more.

2 Replies Received (View Replies)