AT6101C BTDU-3 Battery Replacement | FRONTLINE Maintenance Tool

Last Updated: 05/02/2025 1:37 AM

The following table lists all the components that make up the document.

Title	Type	Status	Last Updated
Atomtex AT6101C Backpack	Device	Published	06/27/2024 1:47 PM
1849 - 1358 - Remove BT-DU3 Adapter; Remark:	Procedure Step	Published	11/20/2020 9:37 AM
1358 - Remove BT-DU3 Adapter	Instruction	Published	11/19/2020 5:29 PM
1353 - 878 - Power off BT-DU3 Adapter; Remark:1348	Procedure Step	Published	04/07/2025 4:27 PM
878 - Power off BT-DU3 Adapter	Instruction	Published	05/28/2020 5:04 PM
1348 - The BT-DU3 Adapter is located in the middle compartment of the backpack. Hold...	Remark	Published	11/19/2020 5:31 PM
1356 - 1355 - Remove all detector cables from BT-DU3 Adapter; Remark:1354	Procedure Step	Published	11/19/2020 6:00 PM
1347 - Caution : Ensure the BT-DU3 adapter unit is powered off before removing or connecting d...	Annotation	Published	11/23/2020 5:29 PM
1355 - Remove all detector cables from BT-DU3 Adapter	Instruction	Published	11/19/2020 5:29 PM
1354 - To remove the push-pull type connector, hold by the collar and pull.	Remark	Published	11/19/2020 5:32 PM
1359 - 1358 - Remove BT-DU3 Adapter; Remark:1357	Procedure Step	Published	11/19/2020 5:59 PM
1357 - Removing the BT-DU3 adapter from the AT6101C backpack	Remark	Published	11/19/2020 6:02 PM
1850 - 1808 - Disassemble BT-DU3 Adapter; Remark:	Procedure Step	Published	11/20/2020 9:37 AM
1808 - Disassemble BT-DU3 Adapter	Instruction	Published	11/20/2020 9:36 AM
1851 - 1809 - Remove rubber guards; Remark:1848	Procedure Step	Published	11/20/2020 9:38 AM
1829 - Caution : Do not use a tool to pry the guards as this may damage the BT-DU3 Adapter cas...	Annotation	Published	11/20/2020 9:10 AM
1809 - Remove rubber guards	Instruction	Published	11/20/2020 9:35 AM
1848 - It is recommended to use gloves with good grip as the guards require signific...	Remark	Published	11/20/2020 9:13 AM
1852 - 1810 - Remove four case screws; Remark:1847	Procedure Step	Published	11/20/2020 9:38 AM
1810 - Remove four case screws	Instruction	Published	11/20/2020 9:34 AM
1847 - Use a small Phillips (PH1) screwdriver. Some screws will need to be accessed ...	Remark	Published	07/02/2021 12:36 PM
1853 - 1811 - Partially remove upper case; Remark:1846	Procedure Step	Published	11/20/2020 9:38 AM
1830 - Caution : Remove cover slowly to minimize damage to wiring.	Annotation	Published	11/20/2020 9:11 AM
1811 - Partially remove upper case	Instruction	Published	11/20/2020 9:34 AM
1846 - The end caps should remain attached to the upper case. A screwdriver may be u...	Remark	Published	11/20/2020 9:15 AM
1854 - 1812 - Continue to open upper case to access wiring; Remark:1845	Procedure Step	Published	11/20/2020 9:39 AM
1812 - Continue to open upper case to access wiring	Instruction	Published	11/20/2020 9:32 AM
1845 - IO AT6101C BT-DU3 Upper Case Swing Open	Remark	Published	11/20/2020 9:16 AM
1855 - 270 - Disconnect battery; Remark:1844	Procedure Step	Published	02/09/2021 5:36 PM
270 - Disconnect battery	Instruction	Published	07/20/2021 3:37 PM
1844 - IO AT6101C BT-DU3 Battery Connector Disconnect	Remark	Published	11/20/2020 9:16 AM
1857 - 1814 - Remove battery holder screws; Remark:1839	Procedure Step	Published	11/20/2020 9:40 AM
1814 - Remove battery holder screws	Instruction	Published	11/20/2020 9:31 AM
1839 - Use a small Phillips (PH1) screwdriver.	Remark	Published	07/02/2021 12:36 PM
1858 - 1815 - Remove battery holder; Remark:1843	Procedure Step	Published	11/20/2020 9:40 AM
1815 - Remove battery holder	Instruction	Published	11/20/2020 9:30 AM
1843 - IO AT6101C BT-DU3 Battery Holder Remove	Remark	Published	11/20/2020 9:17 AM
1859 - 1816 - Remove battery; Remark:4790	Procedure Step	Published	11/20/2020 9:40 AM
1816 - Remove battery	Instruction	Published	11/20/2020 9:29 AM
4790 - Carefully lift battery out of battery holder using a slotted screwdriver or f...	Remark	Published	06/30/2022 6:02 PM
5970 - IO RadSeeker Battery Lift Out	Remark	Published	11/15/2022 11:55 AM
1860 - 1817 - Assemble BT-DU3 Adapter; Remark:	Procedure Step	Published	11/20/2020 9:41 AM
1817 - Assemble BT-DU3 Adapter	Instruction	Published	11/20/2020 9:29 AM
1861 - 1818 - Install replacement battery; Remark:1841	Procedure Step	Published	11/20/2020 9:41 AM
1818 - Install replacement battery	Instruction	Published	11/20/2020 9:28 AM
1841 - IO AT6101C BT-DU3 Battery Pack Install	Remark	Published	11/20/2020 9:18 AM
1862 - 1819 - Replace battery holder; Remark:1840	Procedure Step	Published	11/20/2020 9:41 AM
1819 - Replace battery holder	Instruction	Published	11/20/2020 9:27 AM
1840 - IO AT6101C BT-DU3 Battery Holder Install	Remark	Published	11/20/2020 9:19 AM
1865 - 1820 - Replace battery holder screws; Remark:1839	Procedure Step	Published	11/20/2020 9:42 AM
1820 - Replace battery holder screws	Instruction	Published	11/20/2020 9:26 AM
1867 - 1821 - Connect battery; Remark:1838	Procedure Step	Published	11/20/2020 9:42 AM
1821 - Connect battery	Instruction	Published	11/20/2020 9:26 AM
1838 - IO AT6101C BT-DU3 Battery Connector Install	Remark	Published	11/20/2020 9:19 AM
1870 - 1822 - Replace upper case; Remark:1837	Procedure Step	Published	11/20/2020 9:42 AM
1822 - Replace upper case	Instruction	Published	11/20/2020 9:25 AM
1837 - IO AT6101C BT-DU3 Upper Case Install	Remark	Published	11/20/2020 9:20 AM
1836 - End caps should fit into slots on each end of lower case.	Remark	Published	11/20/2020 9:20 AM
1873 - 1823 - Replace case screws; Remark:1835	Procedure Step	Published	11/20/2020 9:43 AM
1823 - Replace case screws	Instruction	Published	11/20/2020 9:24 AM
1835 - Use a small Phillips (PH1) screwdriver.	Remark	Published	07/02/2021 12:35 PM
1876 - 1824 - Replace rubber guards; Remark:1834	Procedure Step	Published	11/20/2020 9:43 AM
1824 - Replace rubber guards	Instruction	Published	11/20/2020 9:24 AM
1834 - IO AT6101C BTDU3 Corner Guard Install	Remark	Published	11/20/2020 9:22 AM
1878 - 1825 - Connect Detectors; Remark:	Procedure Step	Published	11/20/2020 9:44 AM
1825 - Connect Detectors	Instruction	Published	11/20/2020 9:23 AM
1371 - 1370 - Align DU cable connector with BT-DU3 Adapter connector; Remark:1368	Procedure Step	Published	11/19/2020 5:55 PM
1370 - Align DU cable connector with BT-DU3 Adapter connector	Instruction	Published	11/19/2020 5:26 PM
1368 - Red dots can be used to align the connectors.	Remark	Published	11/19/2020 5:33 PM
1369 - Connectors only fit in one orientation. Rotate the DU cable connector until i...	Remark	Published	11/19/2020 5:34 PM
1375 - 1374 - Connect DU cables to BT-DU3 Adapter; Remark:1372	Procedure Step	Published	11/19/2020 5:49 PM
1695 - Caution : Do not force the connectors together.	Annotation	Published	11/19/2020 5:54 PM
1374 - Connect DU cables to BT-DU3 Adapter	Instruction	Published	11/19/2020 5:25 PM
1372 - Push the connector to connect.	Remark	Published	11/19/2020 5:36 PM
1373 - Gamma detector connects to port 1. Neutron detector connects to port 3.	Remark	Published	11/19/2020 5:37 PM
1879 - 1826 - Check battery function and status; Remark:	Procedure Step	Published	11/24/2020 12:02 PM
1826 - Check battery function and status	Instruction	Published	11/24/2020 12:01 PM
1793 - 315 - Connect charger; Remark:2502	Procedure Step	Published	11/20/2020 12:37 PM
315 - Connect charger	Instruction	Published	07/20/2021 10:45 AM
2502 - Plug the charger into the wall and connect to the Adapter at the 12V input.	Remark	Published	11/24/2020 11:59 AM
1782 - IO Charger Plug and connection socket	Remark	Published	11/19/2020 5:45 PM
1794 - 1770 - Verify BT-DU3 Adapter is charging; Remark:1780	Procedure Step	Published	11/20/2020 12:40 PM
1770 - Verify BT-DU3 Adapter is charging	Instruction	Published	11/19/2020 6:04 PM
1780 - The red LED below PWR will be illuminated.	Remark	Published	11/19/2020 6:05 PM
1795 - 1771 - Disconnect charger from BT-DU3 Adapter; Remark:1781	Procedure Step	Published	11/20/2020 12:41 PM
1771 - Disconnect charger from BT-DU3 Adapter	Instruction	Published	11/19/2020 6:08 PM
1781 - IO AT6101C BTDU3 Plug Remove Power Connector	Remark	Published	11/19/2020 6:08 PM
1378 - 1377 - Power on BT-DU3 Adapter; Remark:1376	Procedure Step	Published	11/19/2020 5:48 PM
1377 - Power on BT-DU3 Adapter	Instruction	Published	09/30/2020 4:33 PM
1376 - Power Button on BT-DU3	Remark	Published	09/17/2020 10:06 AM
1880 - 1435 - Check BT-DU3 battery; Remark:1833	Procedure Step	Published	11/24/2020 11:45 AM
1435 - Check BT-DU3 battery	Instruction	Published	09/01/2020 7:41 PM
1833 - Momentarily press the POWER button on the BT-DU3 to view the battery charge; ...	Remark	Published	11/24/2020 11:44 AM
1381 - 1380 - Verify detectors are communicating with BT-DU3 Adapter; Remark:1379	Procedure Step	Published	11/19/2020 5:43 PM
1380 - Verify detectors are communicating with BT-DU3 Adapter	Instruction	Published	11/19/2020 5:24 PM
1379 - The DU1 and DU3 LEDs will blink rapidly.	Remark	Published	11/19/2020 5:38 PM
1881 - 1828 - Repack backpack; Remark:	Procedure Step	Published	11/24/2020 11:51 AM
1828 - Repack backpack	Instruction	Published	11/24/2020 11:51 AM
1883 - 1827 - Place BT-DU3 Adapter unit into backpack; Remark:1365	Procedure Step	Published	11/24/2020 11:49 AM
1827 - Place BT-DU3 Adapter unit into backpack	Instruction	Published	11/24/2020 11:48 AM
1365 - Placing the BT-DU3 unit into the AT6101C backpack	Remark	Published	11/19/2020 6:03 PM
1384 - 1383 - Close backpack; Remark:1382	Procedure Step	Published	11/19/2020 5:43 PM
1383 - Close backpack	Instruction	Published	11/19/2020 5:23 PM
1382 - Make sure the BT-DU3 adapter unit is firmly in place and all backpack pockets...	Remark	Published	11/19/2020 5:39 PM
1387 - 319 - Perform operational test; Remark:1385	Procedure Step	Published	11/03/2022 2:53 PM
319 - Perform operational test	Instruction	Published	06/10/2021 8:31 PM
1385 - DET-HHD-ATM-RM01 AT6101C Operational Test.	Remark	Published	11/19/2020 5:40 PM
322 - 321 - Document maintenance actions; Remark:	Procedure Step	Published	06/17/2021 9:49 AM
321 - Document maintenance actions	Instruction	Published	04/21/2025 11:19 AM
2869 - 2585 - Document maintenance performed; Remark:2866	Procedure Step	Published	06/18/2021 5:58 PM
2585 - Document maintenance performed	Instruction	Published	07/09/2021 12:15 PM
2866 - Record observations, times, and results for the maintenance report.	Remark	Published	04/21/2025 11:39 AM
4706 - 4705 - Submit report; Remark:4864	Procedure Step	Published	06/29/2022 9:50 AM
4705 - Submit report	Instruction	Published	06/29/2022 9:50 AM
4864 - As specified by management or contractual obligations.	Remark	Published	07/28/2022 1:36 PM
Corrective Maintenance Procedure	Document Type	Published	03/02/2020 3:32 PM
90 minutes	Duration	Published	09/11/2020 11:24 AM
As Needed	Frequency	Published	04/01/2020 11:36 AM
Caution	Annotation Type	Published	03/02/2020 3:24 PM
Technician 2	Skill Level	Published	04/09/2020 1:17 AM
Leather or rubber gloves	Tools	Published	09/11/2020 11:23 AM
Small slotted (flathead) screwdriver	Tools	Published	09/11/2020 11:23 AM
Small Phillips (PH1) screwdriver	Tools	Published	05/14/2020 2:48 PM
AT6101C Full Front Pocket	Image	Published	09/04/2020 10:26 PM
AT6101C Power Button on Controller LED on	Image	Published	09/04/2020 10:26 PM
AT6101C Connector Removal red arrows	Image	Published	09/04/2020 10:51 PM
Pulling detector cable out of BT-DU3	Image	Published	09/04/2020 10:42 PM
Remove BT-DU3 unit from AT6101C backpack	Image	Published	09/04/2020 10:42 PM
BT-DU3 Case Corner Guard Remove Glove red arrow	Image	Published	09/11/2020 11:13 AM
BT-DU3 Case Corner Guard Remove red arrow	Image	Published	09/11/2020 11:15 AM
BT-DU3 Case Upper Corners red circle	Image	Published	09/11/2020 10:42 AM
BT-DU3 Case Upper Seal Screw Corner red circle	Image	Published	09/11/2020 10:45 AM
BT-DU3 Case Upper Screwdriver Corner	Image	Published	09/11/2020 10:48 AM
BT-DU3 Case Upper Remove red arrow	Image	Published	09/11/2020 10:07 AM
BT-DU3 Case Charger End Remove Pry red arrow	Image	Published	09/11/2020 11:02 AM
BT-DU3 Case Charger End Remove red arrow	Image	Published	09/11/2020 10:59 AM
BT-DU3 Case Detector End Remove red arrow	Image	Published	09/11/2020 11:09 AM
BT-DU3 Case Swing Open red arrow	Image	Published	09/11/2020 10:02 AM
BT-DU3 Battery Connector Remove red arrow	Image	Published	09/11/2020 9:39 AM
BT-DU3 Battery Holder Screw Corner Location	Image	Published	09/11/2020 9:48 AM
BT-DU3 Battery Holder Remove red arrow	Image	Published	09/11/2020 9:45 AM
radseeker_di_battery_lift_out.jpg	Image	Published	10/10/2023 12:29 AM
BT-DU3 Battery Pack Install red arrow	Image	Published	09/11/2020 9:56 AM
BT-DU3 Battery Holder Install red arrow	Image	Published	09/11/2020 9:43 AM
BT-DU3 Battery Connector Install red arrow	Image	Published	09/11/2020 9:36 AM
BT-DU3 Case Upper Install red arrow	Image	Published	09/11/2020 10:10 AM
BT-DU3 Case Charger End Install red arrow	Image	Published	09/11/2020 10:57 AM
BT-DU3 Case Detector End Install red arrow	Image	Published	09/11/2020 11:07 AM
BT-DU3 Case Corner Guard Install red arrow	Image	Published	09/11/2020 11:18 AM
AT6101C_Connector_Cable_Align_Dots_red_arrow	Image	Published	09/04/2020 10:48 PM
BT-DU3 Cable Connector Tab	Image	Published	09/04/2020 10:42 PM
Attaching Detector Cables_0.png	Image	Published	09/04/2020 10:42 PM
Line up red dots to insert cable into BT-DU3 unit	Image	Published	09/04/2020 10:44 PM
BT-DU3_Charger_Plugged_Wall_Socket	Image	Published	09/04/2020 10:52 PM
BT-DU3_Charger_Connected_Socket_red_arrow	Image	Published	09/04/2020 10:52 PM
AT6101C_Power_BTDU3_Controller_LED_on_red_circle	Image	Published	09/04/2020 10:52 PM
AT6101C Disconnect Charger BT-DU3 Red Arrow	Image	Published	09/04/2020 10:54 PM
Atomtex_BT-DU3_Power_Button	Image	Published	09/04/2020 10:30 PM
AT6101C BTDU3 Checking Battery Level Red Arrow	Image	Published	09/04/2020 10:40 PM
BT-DU3 Blinking Status Lights	Image	Published	09/04/2020 10:44 PM
Placing the BT-DU3 unit into the AT6101C backpack	Image	Published	09/04/2020 10:42 PM

DET-HHD-ATM-CM05

Replace the internal battery for the BT-DU3 Adapter

Equipment Hierarchy

Atomtex AT6101C Backpack

Frequency

As Needed

Technician Level

Technician 2

x 1

Duration

Time increment

90 minutes

Tools Required

Leather or rubber gloves

Small slotted (flathead) screwdriver

Small Phillips (PH1) screwdriver

Materials Required

Replacement battery pack

Originators

Tucker, Brian

Originating Organization

PNNL

Retest Requirements

AT6101C Operational Test Android

Departmental Coordination

As appropriate

Step 1

Main Step

1849 - 1358 - Remove BT-DU3 Adapter; Remark:

Step 00

1353 - 878 - Power off BT-DU3 Adapter; Remark:1348

Step 00

878 - Power off BT-DU3 Adapter

Power off BT-DU3 Adapter

1348 - The BT-DU3 Adapter is located in the middle compartment of the backpack. Hold...

The BT-DU3 Adapter is located in the middle compartment of the backpack. Hold the power button until all lights turn off.

1356 - 1355 - Remove all detector cables from BT-DU3 Adapter; Remark:1354

1347 - Caution : Ensure the BT-DU3 adapter unit is powered off before removing or connecting d...

Type

Caution

Ensure the BT-DU3 adapter unit is powered off before removing or connecting detector cables to the BT-DU3 adapter unit.

Step 00

1355 - Remove all detector cables from BT-DU3 Adapter

Remove all detector cables from BT-DU3 Adapter

1354 - To remove the push-pull type connector, hold by the collar and pull.

To remove the push-pull type connector, hold by the collar and pull.

Remove cable by pulling up on the collar near the cable connector end and pull the cable from the BT-DU3 connection

1359 - 1358 - Remove BT-DU3 Adapter; Remark:1357

Step 00

1357 - Removing the BT-DU3 adapter from the AT6101C backpack

Lift the BT-DU3 unit out of the AT6101C backpack

Step 2

Main Step

1850 - 1808 - Disassemble BT-DU3 Adapter; Remark:

Step 00

1808 - Disassemble BT-DU3 Adapter

Disassemble BT-DU3 Adapter

1851 - 1809 - Remove rubber guards; Remark:1848

1829 - Caution : Do not use a tool to pry the guards as this may damage the BT-DU3 Adapter cas...

Type

Caution

Do not use a tool to pry the guards as this may damage the BT-DU3 Adapter case.

Step 00

1848 - It is recommended to use gloves with good grip as the guards require signific...

It is recommended to use gloves with good grip as the guards require significant force to remove.

1852 - 1810 - Remove four case screws; Remark:1847

Step 00

1810 - Remove four case screws

Remove four case screws

1847 - Use a small Phillips (PH1) screwdriver. Some screws will need to be accessed ...

Use a small Phillips (PH1) screwdriver. Some screws will need to be accessed from the bottom side of the case. One screw is concealed with a tamper sticker; the screwdriver will easily pierce the sticker.