TM  11-5820-890-20-2 8-2 8.1. INSPECTION PROCEDURES.   Continued COMPONENT ITEM CHECK FOR: d. Vehicular Antenna Element Complete? Broken? Threads clean and lubricated? Base O-ring distorted? Clean and lubricated? Safety wire In place? Correctly installed? Mounting bracket Complete? Broken? Ground Correctly installed? Corroded or rusted? Good bond? Cables Complete? Correctly routed? Pins bent or missing? Cover worn or torn? Connectors damaged? e. Power Supply Adapter Case Cracked or dented? Hardware missing? Connectors Threads damaged or stripped? Cracks or chips between contacts? Protective caps Protective caps broken or missing? Chains or cords broken or missing? DS1 Tight connection to chassis? Lens damaged or missing? Bulb burned out? Thumbscrews Thumbscrews serviceable? f. Battery Tray Case Cracked or dented? Connectors Threads damaged or stripped? Cracks or chips between contacts? Strike catches Screws loose or missing? Catches damaged? Gasket Cut or torn? Properly seated? g. Control Monitor Case Cracked or dented? Screws missing? Displays Cracked? Discolored? Damaged? Controls Knobs missing? Set screws missing? Knobs tightly mounted on shaft?