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Air lines should be securely connected to:
A.  The fifth wheel.
B.  The proper glad hands.
C.  The kingpin.
D.  The pintle hook.
When inspecting the convertor dolly, ensure that all components are present and in proper working condition. The air lines should be securely attached to the proper glad hands and should not contain any leaks. They should be attached with enough slack to allow for easy turning.

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