CARE AND MAINTENANCE
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CARE AND MAINTENANCE
REPLACEMENT PARTS AND ACCESSORIES
Replacement parts and accessories can be ordered through Bose customer service.
Visit: worldwide.Bose.com/Support/B40
worldwide.Bose.com/Support/B40
WARNING:
Do NOT attempt to disassemble or service the inside of the earcups or
other parts of the headset.
Replacement Instructions
Only the side pad (single earcup), microphone windscreen, batteries, and ear cushions
are replaceable by the user.
Side pad (single earcup)
The side pad is attached to the headband with a dual lock tab.
1. Gently pull the old side pad away from the headband.
2. Align the new side pad with the dual lock tab and firmly press until secure.
Microphone windscreen
The microphone windscreen can be removed and replaced.
1. Carefully slide the windscreen off of the microphone.
2. Slide the replacement windscreen on and make sure it fits completely over the
microphone.
Ear cushion
Ear cushions should be replaced every 3 – 6 months. Replace the ear cushions
if you see:
• Flaking of the outer covering
• Cuts or tears
• Flattening of the cushion
You may have to replace the ear cushions more often if you:
• Have a full beard or thick facial hair
• Use the headset in extreme temperatures
• Damage the cushions because of improper storage
