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Question:
When the air system is fully charged (usually at 125 psi), you should turn off the engine, let off the parking brake, and time the air pressure drop.
Comments
Alkam 2126
4 years ago
It a great app to study for your CDL tests
Cbow33
Great app
Livvy2u
Mom
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Comments
Alkam 2126
4 years ago
It a great app to study for your CDL tests
Cbow33
4 years ago
Great app
Livvy2u
4 years ago
Mom