TM 9-2320-364-103-19Table 3-1. Troubleshooting - CONT.MalfunctionTest or InspectionCorrective ActionAIR SYSTEM (CONT).1.LOW AIR BUZZER SOUNDS AND LOW AIR INDICATOR LIGHT IS ON (CONT).Step 3. Check that TRAILER AIR SUPPLY control (3) is pulled out (OFF position).·Pull out TRAILER AIR SUPPLY control (3).Step 4. Listen for leaks at hoses, fittings and connectors.·If leaks are found, tighten connectors and fittings. Notify Unit Maintenance to repair damaged hoses.·If no leaks are found and problem still exists, notify Unit Maintenance.