3M XT-1 Bollettino tecnico - Pagina 7

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Replacing the Headband Assembly

Tools Required:

1 - Small size Phillips Screwdriver

1 - Tweezers

1 - Soldering iron

¼'' Polyimide Film Tape (SKU# 70-0160-3918-5)

3M OEM Parts and SKUs:

Procedure:

Replacing the Headband Assembly requires you to disassemble

both the Electronics Side and the Battery Housing Side of the headset. See Fig 24.

Battery Housing Side:

You may follow the first 5 steps outlined in the procedure Replacing Battery

PWA (Printed Wiring Assembly). Or, alternatively, follow the steps outlined below.

1. Make sure the power is off and remove the battery from the headset. See Fig 25.

2. Disassemble the battery housing side of the headset by removing

screws and carefully separating the two halves of the housing. See Fig 26.

3. Carefully pull the Battery Holder PWA off the mounting posts, and

use a soldering iron to remove the two wires from the PWA. See Fig 27.

4. Install a replacement headband assembly by soldering the Red wire

to the (+) connection point on the Battery Holder PWA, and the black wire

to the (-) connection point. See Fig 28.

5. Reposition the Battery Holder PWA on the mounting posts of the

battery half of the housing.

6. Make sure the wires are centered to the headband and

wind around the guide posts as illustrated in Fig 29.

NOTE: Use a small piece of double sided tape (illustrated in Blue in Fig 29)

on the end of the metal headband to ensure the wire is centered.

Doing this avoids any possibility of the wires getting pinched when

reassembling the Battery Cover.

7. Apply a strip of 3M

sure the wires are held in place as shown in Fig 29.

8. Reassemble the battery cover and replace the screws.

1/4'' Polyimide Film Tape

¼'' Polyimide Film Tape to make

Double Sided Tape

FIGURE 29

FIGURE 24

Electronics Side

FIGURE 26

Battery

Cover

FIGURE 27

Battery Holder PWA

Headband

Guide Posts

Battery Housing Side

FIGURE 25

Battery half

of housing

FIGURE 28

Mounting

Posts