AT6101C Gamma Detector Replacement | FRONTLINE Maintenance Tool

Last Updated: 04/27/2025 1:35 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
879 - 878 - Power off BT-DU3 Adapter; Remark:877	Procedure Step	Published	05/28/2020 5:04 PM
878 - Power off BT-DU3 Adapter	Instruction	Published	05/28/2020 5:04 PM
877 - To power off the BT-DU3 Adapter, press the PWR button for ab...	Remark	Published	11/12/2020 6:09 PM
1693 - 1672 - Locate gamma detector; Remark:1692	Procedure Step	Published	11/20/2020 12:27 PM
1672 - Locate gamma detector	Instruction	Published	11/18/2020 8:03 PM
1692 - The gamma detector should be located in the backpack compartment closest to t...	Remark	Published	11/18/2020 8:05 PM
1696 - 1673 - Remove gamma detector; Remark:	Procedure Step	Published	11/29/2020 11:28 AM
1673 - Remove gamma detector	Instruction	Published	12/09/2022 1:34 PM
1697 - 1674 - Remove adapter cable from gamma detector; Remark:1691	Procedure Step	Published	11/29/2020 11:28 AM
1694 - Caution : Ensure the BT-DU3 adapter unit is powered off before removing or connecting d...	Annotation	Published	11/23/2020 5:30 PM
1674 - Remove adapter cable from gamma detector	Instruction	Published	11/23/2020 5:01 PM
1691 - To remove the push-pull type connector, hold the connector by the collar only...	Remark	Published	11/23/2020 4:49 PM
1698 - 1675 - Remove gamma detector from backpack; Remark:1690	Procedure Step	Published	11/29/2020 11:29 AM
1675 - Remove gamma detector from backpack	Instruction	Published	11/29/2020 11:11 AM
1690 - IO AT6101C Gamma Detector Remove red arrow	Remark	Published	11/29/2020 11:25 AM
1699 - 1676 - Record serial numbers of faulty and replacement gamma detectors; Remark:1689	Procedure Step	Published	11/29/2020 11:30 AM
1676 - Record serial numbers of faulty and replacement gamma detectors	Instruction	Published	11/29/2020 11:12 AM
1689 - IO AT6101C Gamma Detector Serial Number	Remark	Published	11/29/2020 11:24 AM
1700 - 1677 - Install replacement gamma detector; Remark:	Procedure Step	Published	11/29/2020 11:31 AM
1677 - Install replacement gamma detector	Instruction	Published	11/29/2020 11:20 AM
1701 - 1678 - Slide gamma detector into backpack; Remark:1688	Procedure Step	Published	11/29/2020 11:32 AM
1678 - Slide gamma detector into backpack	Instruction	Published	11/29/2020 11:13 AM
1688 - IO AT6101C Gamma Detector Install red arrow	Remark	Published	11/23/2020 4:50 PM
1702 - 1679 - Align connector of adapter cable with detector connector; Remark:1687	Procedure Step	Published	11/24/2020 9:09 AM
1679 - Align connector of adapter cable with detector connector	Instruction	Published	11/29/2020 11:14 AM
1687 - There may be red dots that can be used to align the connectors.	Remark	Published	11/29/2020 11:51 AM
1686 - Connectors only fit in one orientation. Gently rotate the DU cable connector ...	Remark	Published	11/23/2020 4:51 PM
1703 - 1680 - Connect cable to BDKG-11M gamma detector; Remark:1685	Procedure Step	Published	11/24/2020 9:10 AM
1695 - Caution : Do not force the connectors together.	Annotation	Published	11/19/2020 5:54 PM
1680 - Connect cable to BDKG-11M gamma detector	Instruction	Published	11/23/2020 4:59 PM
1685 - For the push-pull type, grip the back of the connector behind the collar to r...	Remark	Published	11/23/2020 4:52 PM
1704 - 1634 - Verify system is operating correctly; Remark:	Procedure Step	Published	11/24/2020 9:12 AM
1634 - Verify system is operating correctly	Instruction	Published	11/29/2020 11:16 AM
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
1705 - 1681 - Verify gamma detector is connected to BT-DU3; Remark:1684	Procedure Step	Published	11/29/2020 11:33 AM
1681 - Verify gamma detector is connected to BT-DU3	Instruction	Published	11/29/2020 11:17 AM
1684 - The D1 LED will be blinking rapidly.	Remark	Published	11/29/2020 11:23 AM
1706 - 319 - Perform operational test; Remark:1385	Procedure Step	Published	11/29/2020 11:34 AM
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
1707 - 1682 - Tag suspect part with fault information; Remark:1683	Procedure Step	Published	11/29/2020 11:35 AM
1682 - Tag suspect part with fault information	Instruction	Published	11/29/2020 11:19 AM
1683 - Dispose of the faulty BDKG-11M per organizational and local jurisdiction requ...	Remark	Published	11/29/2020 11:52 AM
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
15 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
Atomtex_BT-DU3_Power_Button	Image	Published	09/04/2020 10:30 PM
AT6101C_Gamma_red_circle_0.png	Image	Published	09/04/2020 10:51 PM
AT6101C Connector Removal red arrows	Image	Published	09/04/2020 10:51 PM
AT6101C_Gamma_Detector_Remove_red_arrow	Image	Published	09/04/2020 10:49 PM
AT6101C_Gamma_Serial_Number_Location	Image	Published	09/04/2020 10:21 PM
AT6101C_Gamma_Serial_Number_0.png	Image	Published	09/04/2020 10:49 PM
AT6101C_Gamma_Detector_Install_red_arrow	Image	Published	09/04/2020 10:48 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
AT6101C_BTDU3_LED_DU1_red_circle	Image	Published	09/04/2020 10:48 PM

DET-HHD-ATM-CM02

Replace BDKG-11M gamma radiation detection unit

Equipment Hierarchy

Atomtex AT6101C Backpack

Frequency

As Needed

Technician Level

Technician 1

x 1

Duration

Time increment

15 minutes

Tools Required

None

Materials Required

BDKG-11M gamma radiation detection unit

Retest Requirements

AT6101C Operational Test Android

Departmental Coordination

Coordinate with relevant authorities

Step 1

Main Step

879 - 878 - Power off BT-DU3 Adapter; Remark:877

Step 00

878 - Power off BT-DU3 Adapter

Power off BT-DU3 Adapter

877 - To power off the BT-DU3 Adapter, press the PWR button for ab...

To power off the BT-DU3 Adapter, press the PWR button for about 3 seconds.

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

Step 2

Main Step

1693 - 1672 - Locate gamma detector; Remark:1692

Step 00

1672 - Locate gamma detector

Locate gamma detector

1692 - The gamma detector should be located in the backpack compartment closest to t...

The gamma detector should be located in the backpack compartment closest to the shoulder straps.

Gamma detector of AT6101C on left side of backpack compartment

Step 3

Main Step

1696 - 1673 - Remove gamma detector; Remark:

Step 00

1673 - Remove gamma detector

Remove gamma detector

1697 - 1674 - Remove adapter cable from gamma detector; Remark:1691

1694 - 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

1674 - Remove adapter cable from gamma detector

Remove adapter cable from gamma detector

1691 - To remove the push-pull type connector, hold the connector by the collar only...

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

1698 - 1675 - Remove gamma detector from backpack; Remark:1690

Step 00

1675 - Remove gamma detector from backpack

Remove gamma detector from backpack

1690 - IO AT6101C Gamma Detector Remove red arrow

Step 4

Main Step

1699 - 1676 - Record serial numbers of faulty and replacement gamma detectors; Remark:1689

Step 00

1676 - Record serial numbers of faulty and replacement gamma detectors

Record serial numbers of faulty and replacement gamma detectors

1689 - IO AT6101C Gamma Detector Serial Number

IO AT6101C Gamma Detector Serial Number Location

Step 5

Main Step

1700 - 1677 - Install replacement gamma detector; Remark:

Step 00

1677 - Install replacement gamma detector

Install replacement gamma detector

1701 - 1678 - Slide gamma detector into backpack; Remark:1688

Step 00

1678 - Slide gamma detector into backpack

Slide gamma detector into backpack

1688 - IO AT6101C Gamma Detector Install red arrow

1702 - 1679 - Align connector of adapter cable with detector connector; Remark:1687

Step 00

1679 - Align connector of adapter cable with detector connector

Align connector of adapter cable with detector connector

1687 - There may be red dots that can be used to align the connectors.

There may be red dots that can be used to align the connectors.

1686 - Connectors only fit in one orientation. Gently rotate the DU cable connector ...

Connectors only fit in one orientation. Gently 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

1703 - 1680 - Connect cable to BDKG-11M gamma detector; Remark:1685

1695 - Caution : Do not force the connectors together.

Type

Caution

Do not force the connectors together.

Step 00

1680 - Connect cable to BDKG-11M gamma detector

Connect cable to BDKG-11M gamma detector

1685 - For the push-pull type, grip the back of the connector behind the collar to r...

For the push-pull type, grip the back of the connector behind the collar to reconnect.

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

Step 6

Main Step

1704 - 1634 - Verify system is operating correctly; Remark:

Step 00

1634 - Verify system is operating correctly

Verify system is operating correctly

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

1705 - 1681 - Verify gamma detector is connected to BT-DU3; Remark:1684

Step 00

1681 - Verify gamma detector is connected to BT-DU3

Verify gamma detector is connected to BT-DU3

1684 - The D1 LED will be blinking rapidly.

The D1 LED will be blinking rapidly.

1706 - 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

1707 - 1682 - Tag suspect part with fault information; Remark:1683

Step 00

1682 - Tag suspect part with fault information

Tag suspect part with fault information

1683 - Dispose of the faulty BDKG-11M per organizational and local jurisdiction requ...

Dispose of the faulty BDKG-11M per organizational and local jurisdiction requirements.

Step 8

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