What are the responsibilities and job description for the Truck Refrigeration Expert position at Interstate Trailer?
**Responsibilities**
- Provide technical service to vehicles and equipment
- Read job orders, observe, and listen to vehicles in operation to resolve malfunctions
- Examine protective guards, loose bolts, and specified safety devices on trucks and adjust as needed
**Requirements**
- Must have experience working on transportation reefer units
- Ability to test drive units to ensure they run smoothly