Telex Airman 8, Maintenance & Overhaul Manual

Page: 37 / 52

Airman 8 Maintenance 37
3.1.2 Physical Inspection
3.1.2.1 Review all plastic parts for cracks or breaks
To review plastic parts , do the following:
• Note any parts which need to be replaced
3.1.2.2 Review all cables for obvious signs of damage to the insulting
materials
To review cables , do the following:
• Look for any cables which have been pulled out of the housings.
• Look for any cables with unnatural or unusual bends or breaks.
• Note any cable assemblies which need to be replaced.
3.1.2.3 Review user replaceable items
To review user replaceable items , do the following:
• Check ear cushions.
• Check headband pads.
• Check microphone windscreen.
• Check clothing clips.
• Note any replaceable items which need to be replaced.Talk Test
3.1.3 Talk Test
When performing a talk test, things to be aware of:
• Note any unusual or unexpected noises, static, and oscillations
• Note any distorted audio
• Turn ANR on and note noise reduction of fans, ambient noise etc.
• Turn ANR off and note noise levels return to normal.
• Verify sound is heard in both ears.