Application and Release

Application and Release

Application and Release (Class 3 Air Brake Test) is required (on UPRR) under the following conditions:

Test must be conducted when:
? Any change is made to a locomotive consist.
? A caboose is changed.
? Picking up a block of previously tested cars.
? Helper locomotives are added anywhere in the train or removed from other than the
rear end of the train.
or
? One or more consecutive cars are set out of the train (excludes any set out of defective
equipment). However, a Class 3 Air Brake Test is required after setout of defective
equipment.

Application and Release

Application and Release

The Application and Release air brake test is very simple and requires little time to perform. There has been recently a crew

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