AT6101C BT-DU3 Replacement | FRONTLINE Maintenance Tool

Last Updated: 04/25/2025 1:36 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
1351 - 1350 - Remove the faulty BT-DU3 Adapter; Remark:	Procedure Step	Published	11/19/2020 6:01 PM
1350 - Remove the faulty BT-DU3 Adapter	Instruction	Published	11/19/2020 5:30 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
1358 - Remove BT-DU3 Adapter	Instruction	Published	11/19/2020 5:29 PM
1357 - Removing the BT-DU3 adapter from the AT6101C backpack	Remark	Published	11/19/2020 6:02 PM
1362 - 1361 - Record serial numbers of faulty and replacement gamma detectors; Remark:1360	Procedure Step	Published	11/19/2020 5:57 PM
1361 - Record serial numbers of faulty and replacement gamma detectors	Instruction	Published	11/19/2020 5:28 PM
1360 - Serial number on back of BT-DU3 unit	Remark	Published	11/19/2020 6:02 PM
1364 - 1363 - Install replacement BT-DU3 adapter; Remark:	Procedure Step	Published	11/19/2020 5:56 PM
1363 - Install replacement BT-DU3 adapter	Instruction	Published	11/19/2020 5:27 PM
1367 - 1366 - Place new BT-DU3 Adapter unit into backpack; Remark:1365	Procedure Step	Published	11/19/2020 5:56 PM
1366 - Place new BT-DU3 Adapter unit into backpack	Instruction	Published	11/19/2020 5:26 PM
1365 - Placing the BT-DU3 unit into the AT6101C backpack	Remark	Published	11/19/2020 6:03 PM
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
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
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
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
10 minutes	Duration	Published	04/01/2020 11:35 AM
As Needed	Frequency	Published	04/01/2020 11:36 AM
Caution	Annotation Type	Published	03/02/2020 3:24 PM
Technician 1	Skill Level	Published	05/14/2020 2:56 PM
None	Tools	Published	05/06/2020 9:50 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 Serial Number Location	Image	Published	09/04/2020 4:35 PM
BT-DU3 Serial Number.png	Image	Published	09/04/2020 10:42 PM
Placing the BT-DU3 unit into the AT6101C backpack	Image	Published	09/04/2020 10:42 PM
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
Atomtex_BT-DU3_Power_Button	Image	Published	09/04/2020 10:30 PM
BT-DU3 Blinking Status Lights	Image	Published	09/04/2020 10:44 PM

DET-HHD-ATM-CM04

Replace a BT-DU3 Adapter

Equipment Hierarchy

Atomtex AT6101C Backpack

Frequency

As Needed

Technician Level

Technician 1

x 1

Duration

Time increment

10 minutes

Tools Required

None

Materials Required

Replacement BT-DU3 Adapter

Originators

Small, Jack

Tucker, Brian

Originating Organization

PNNL

Retest Requirements

AT6101C Operational Test Android

Departmental Coordination

As appropriate

Version

0.00

Step 1

Main Step

1351 - 1350 - Remove the faulty BT-DU3 Adapter; Remark:

Step 00

1350 - Remove the faulty BT-DU3 Adapter

Remove the faulty BT-DU3 Adapter

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

1358 - Remove BT-DU3 Adapter

Remove BT-DU3 Adapter

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

Lift the BT-DU3 unit out of the AT6101C backpack

1362 - 1361 - Record serial numbers of faulty and replacement gamma detectors; Remark:1360

Step 00

1361 - Record serial numbers of faulty and replacement gamma detectors

Record serial numbers of faulty and replacement gamma detectors

1360 - Serial number on back of BT-DU3 unit

Turn the device over to locate the serial number on the back of the BT-DU3 unit

The BT-DU3 serial number can be found on the back side of the BT-DU3 unit

Step 2

Main Step

1364 - 1363 - Install replacement BT-DU3 adapter; Remark:

Step 00

1363 - Install replacement BT-DU3 adapter

Install replacement BT-DU3 adapter

1367 - 1366 - Place new BT-DU3 Adapter unit into backpack; Remark:1365

Step 00

1366 - Place new BT-DU3 Adapter unit into backpack

Place new BT-DU3 Adapter unit into backpack

1365 - Placing the BT-DU3 unit into the AT6101C backpack

Place the replacement BT-DU3 unit into the designated pocket in the AT6101C backpack

1371 - 1370 - Align DU cable connector with BT-DU3 Adapter connector; Remark:1368

Step 00

1370 - Align DU cable connector with BT-DU3 Adapter connector

Align DU cable connector with BT-DU3 Adapter connector

1368 - Red dots can be used to align the connectors.

Red dots can be used to align the connectors.

1369 - Connectors only fit in one orientation. Rotate the DU cable connector until i...

Connectors only fit in one orientation. Rotate the DU cable connector until it easily slides into place.

The detector cable connector end has a tab that aligns with the tab slot on the BT-DU3 connector port

1375 - 1374 - Connect DU cables to BT-DU3 Adapter; Remark:1372

1695 - Caution : Do not force the connectors together.

Type

Caution

Do not force the connectors together.

Step 00

1374 - Connect DU cables to BT-DU3 Adapter

Connect DU cables to BT-DU3 Adapter

1372 - Push the connector to connect.

Push the connector to connect.

Align the red dots on cable connector end and connector port on BT-DU3 unit

1373 - Gamma detector connects to port 1. Neutron detector connects to port 3.

Gamma detector connects to port 1. Neutron detector connects to port 3.

The gamma detector cable connects to port 1, and the neutron detector cable connects to port 3

Step 3

Main Step

1378 - 1377 - Power on BT-DU3 Adapter; Remark:1376

Step 00

1377 - Power on BT-DU3 Adapter

Power on BT-DU3 Adapter

1376 - Power Button on BT-DU3

Power button on the BT-DU3 is located in the lower right hand corner

Step 4

Main Step

1381 - 1380 - Verify detectors are communicating with BT-DU3 Adapter; Remark:1379

Step 00

1380 - Verify detectors are communicating with BT-DU3 Adapter

Verify detectors are communicating with BT-DU3 Adapter

1379 - The DU1 and DU3 LEDs will blink rapidly.

The DU1 and DU3 LEDs will blink rapidly.

The DU1 and DU3 lights will blink rapidly, indicating communication between the BT-DU3 unit and the detectors

Step 5

Main Step

1384 - 1383 - Close backpack; Remark:1382

Step 00

1383 - Close backpack

Close backpack

1382 - Make sure the BT-DU3 adapter unit is firmly in place and all backpack pockets...

Make sure the BT-DU3 adapter unit is firmly in place and all backpack pockets are zipped shut.

Step 6

Main Step

1387 - 319 - Perform operational test; Remark:1385

Step 00

319 - Perform operational test

Perform operational test

1385 - DET-HHD-ATM-RM01 AT6101C Operational Test.

DET-HHD-ATM-RM01 AT6101C Operational Test.

Step 7

Main Step

322 - 321 - Document maintenance actions; Remark:

Step 00

321 - Document maintenance actions

Document maintenance actions

2869 - 2585 - Document maintenance performed; Remark:2866

Step 00

2585 - Document maintenance performed

Document maintenance performed

2866 - Record observations, times, and results for the maintenance report.

Record observations, times, and results for the maintenance report.

4706 - 4705 - Submit report; Remark:4864

Step 00

4705 - Submit report

Submit report

4864 - As specified by management or contractual obligations.

As specified by management or contractual obligations.

Document Type

Corrective Maintenance Procedure

Percent Complete

100.00

Percent Complete W/Media

100.00