Aircraft Water System Cold Weather Servicing And Filling Instructions Warning: Before Opening Cap

Aircraft Water System Cold Weather Servicing And Filling Instructions Warning: Before Opening Cap 1. Close The Air Shutoff Valve 2. Raise Slowly And Carefully The Cap Lever To Release All The Air Pressure In The Tank 3. Turn And Open The Cabin Filling Cap 4. Fill With Potable Water Only. Use Funnel As Necessary 5. After Closing The Filling Cap Ensure That The Cap Level Is Lowered To The Closed Position 6.Open The Air Shutoff Valve