CARE AND MAINTENANCE
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 ENG
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/A30support.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 eectiveness of the seal
NOTE:  To extend the life of the ear cushions, perform regular cleaning  
(see page 48).