Bose A30 Aviation English Owners Guide - Page 50

Care and M aintenance REPLACEMENT PARTS AND ACCESSORIES Through normal use, parts like windscreens and ear cushions may require periodic ­replacement. Replacement parts and accessories can be ordered through Bose customer service. Visit: support.Bose.com/A30 Available accessories • Ear cushions (pair) • Headband cushions (pair) • Electret microphone windscreen • Dynamic microphone windscreen • Service kit (ear cushions, electret microphone windscreen, headband cushions) • Carry case • Terminator cover • Control module with cable and microphone assembly • 6-pin to Dual plug cable adapter • 6-pin to U174 cable adapter • 3.5 mm AUX audio cable • Installation kit • Cable clip Ear cushions Ear cushions should be replaced every six months or every 350 hours of use. You may need to replace them more often if you: • Have a full beard or heavy whiskers. • Subject the headset to severe temperature extremes such as parking your airplane outside in severe cold or heat. • Put excess strain on the cushions because of improper storage. Indications that the ear cushions need replacing include: • Flaking of the outer covering • Cuts or tears • Flattening of the cushion, reducing the effectiveness of the seal NOTE: To extend the life of the ear cushions, perform regular cleaning (see page 48). | 5 0 E N G