| 摘要 |
A heated box assembly including a case and a case support is mounted on a tractor chassis behind the cab. Within that case are electrical cable connections, heating elements, insulation, an electrical cable connection for a trailer mounted on a reel, and two air hoses mounted on reels for connection to the air brake system of a trailer. An alcohol injector used in combination with heating of the box avoids freezing of the hose. The heated box keeps the hose from freezing while the hose is in the box. When the air brakes are applied, the alcohol is injected into the hose and keeps the hose from freezing while in use.
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