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3M XT-1 Technical Bulletin
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3M XT-1 Technical Bulletin

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3M™ Wireless Communication System Model XT-1
Headset Service Procedures – Using assemblies
Technical Bulletin - #140
The document below
Lists the 3M™ Wireless Communication System Model XT-1 headset assemblies available for servicing (with 3M OEM SKUs)
Describes the standard procedure for conducting break-fix and maintenance tasks on the 3M™ Wireless Communication
System Model XT-1 headset using readily available assemblies from 3M
Only 3M OEM parts (SKU's listed below) should be used for servicing. These procedures should be conducted in a repair center
facility.
.
3M™ Wireless Communication System Model XT-1 Headset Service Parts – Assemblies
3M™ Wireless Communication System Model XT-1 Headset Standard Break-Fix Service Procedures
1. Replacing the Ear Cup and/or Ear Pad and/or Head Pad and/or Microphone Windscreen.
2. Replacing the Inner Case Assembly, Outer Case Assembly, and Boom Microphone Assembly.
3. Replacing Battery Latch Parts, Battery Latch Spring, or Battery Holder PWA.
4. Replacing the Headband Assembly.
5. Replacing the Indicator LED Lens and the Programming Station IR Lens.

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Summary of Contents for 3M XT-1

  • Page 1 Describes the standard procedure for conducting break-fix and maintenance tasks on the 3M™ Wireless Communication System Model XT-1 headset using readily available assemblies from 3M Only 3M OEM parts (SKU‘s listed below) should be used for servicing. These procedures should be conducted in a repair center facility.
  • Page 2 Replacing the Ear Cup and/or Ear Pad and/or Head Pad and/or Microphone Windscreen Replacing the Ear Cup and/or Ear Pad Tools Required: None 3M OEM Parts and SKUs: Procedure: 1. To replace the ear cup or ear pad, use your fingers to twist and pull the ear cup and ear pad together, from the speaker on the headset case.
  • Page 3 Replacing the Inner Case Assembly Tools Required: 1 - Small size Phillips screwdriver 1 - External retaining ring removal tool 3M OEM Parts and SKUs: FIGURE 4 Procedure: Important Note: Be careful to avoid pinching wires between case halves when reassembling the electronics case.
  • Page 4 Replacing Boom Microphone Assembly Tools Required: 1 - Small size Phillips screwdriver 1 - External retaining ring removal tool FIGURE 8 3M OEM Parts and SKUs: Procedure: 1. Repeat steps 1-4 from the previous procedure Replacing Inner Case Assembly. Retaining Ring PC Board 2.
  • Page 5 Tools Required: 1 - Number 0 Phillips Screwdriver 1 - Tweezers 1 - Small size Phillips screwdriver 3M OEM Parts and SKUs: FIGURE 17 Procedures: 1. Make sure power is off and remove the battery from the headset. See Fig 16.
  • Page 6 Doing this avoids any possibility of the wires getting Soldering Iron pinched when reassembling the Battery Cover. 8. Apply a strip of 3M ¼’’ Polyimide Film Tape to make sure the wires are held in place as shown in Fig 22.
  • Page 7 Doing this avoids any possibility of the wires getting pinched when reassembling the Battery Cover. Battery Holder PWA 7. Apply a strip of 3M ¼’’ Polyimide Film Tape to make sure the wires are held in place as shown in Fig 29.
  • Page 8 FIGURE 33 Large capacitor 12. Apply a strip of 3M ¼’’ Polyimide Film Tape to make sure the wires are held in place as shown in Fig 29. 13. Make sure the LED Lens is still in place. Otherwise, follow the procedure...
  • Page 9 FIGURE 11 Replacing the Indicator LED Lens: Tools Required: 1 - Small size Phillips Screwdriver 3M OEM Parts and SKUs: FIGURE 12-a FIGURE 12-b Procedure: 1. Make sure the power is off and remove the battery from the headset. See Fig 11 2.
  • Page 10 3M’s option, repair or replacement of the 3M product or refund of the purchase price. This warranty does not cover: (1) the cost of shipping products to or from 3M for repair, (2) repair or replacement of existing cable or wiring, (3) product failure caused by misuse, abuse, improper installation, or unapproved modifications, or (4) intercom products that are installed or serviced by a non-3M authorized party.