PackEye Gamma Detector Replacement | FRONTLINE Maintenance Tool

Last Updated: 04/25/2025 1:41 AM

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

Title	Type	Status	Last Updated
Thermo FHT1377 PackEye	Device	Published	10/28/2024 3:37 PM
6676 - 6675 - Unpack Instrument; Remark:	Procedure Step	Published	12/09/2022 10:45 AM
6675 - Unpack Instrument	Instruction	Published	12/09/2022 10:45 AM
3869 - 313 - Power off instrument; Remark:3850	Procedure Step	Published	03/29/2022 2:23 AM
313 - Power off instrument	Instruction	Published	07/23/2021 2:41 PM
3850 - Press and hold the power button for approximately 10 seconds until indicator ...	Remark	Published	03/29/2022 1:38 AM
4223 - 4222 - Place instrument on flat surface; Remark:4221	Procedure Step	Published	05/10/2022 1:56 PM
4222 - Place instrument on flat surface	Instruction	Published	05/10/2022 1:54 PM
4221 - Shoulder straps should be facing down.	Remark	Published	05/10/2022 1:55 PM
3926 - 3876 - Open top of backpack; Remark:3928	Procedure Step	Published	04/05/2022 5:28 PM
3876 - Open top of backpack	Instruction	Published	04/04/2022 3:14 PM
3928 - IO PackEye Open Top of Backpack for Battery Access	Remark	Published	10/24/2024 6:52 PM
6217 - 6216 - Disconnect straps on sides of backpack; Remark:6215	Procedure Step	Published	11/28/2022 9:50 AM
6216 - Disconnect straps on sides of backpack	Instruction	Published	11/28/2022 9:46 AM
6215 -	Remark	Published	11/28/2022 9:50 AM
6709 - 6708 - Remove backpack contents; Remark:6707	Procedure Step	Published	12/09/2022 1:27 PM
6708 - Remove backpack contents	Instruction	Published	12/09/2022 1:26 PM
6707 - Slowly slide foam assembly out of backpack. This process might take two peopl...	Remark	Published	12/09/2022 1:27 PM
6710 - 6706 - Open protective foam; Remark:6705	Procedure Step	Published	12/09/2022 1:30 PM
6706 - Open protective foam	Instruction	Published	12/09/2022 1:27 PM
6705 - Use utility knife or scissors. Cut tape on one side of foam assembly.	Remark	Published	12/09/2022 1:28 PM
6674 - 6673 - Remove Faulty Gamma Detector; Remark:	Procedure Step	Published	12/09/2022 10:36 AM
6673 - Remove Faulty Gamma Detector	Instruction	Published	12/09/2022 10:36 AM
6225 - 6221 - Disconnect gamma detector; Remark:6220	Procedure Step	Published	11/28/2022 10:03 AM
6221 - Disconnect gamma detector	Instruction	Published	11/28/2022 9:59 AM
6220 - The gamma detector is connected to the FHT 681 amplifier at PMT1	Remark	Published	11/28/2022 10:03 AM
6724 - 1673 - Remove gamma detector; Remark:6723	Procedure Step	Published	12/09/2022 1:36 PM
1673 - Remove gamma detector	Instruction	Published	12/09/2022 1:34 PM
6723 - IO PackEye gamma detector over foam	Remark	Published	12/09/2022 1:36 PM
6725 - 6722 - Disconnect cable from gamma detector; Remark:6721	Procedure Step	Published	12/09/2022 1:41 PM
6722 - Disconnect cable from gamma detector	Instruction	Published	12/09/2022 1:37 PM
6721 - Keep the right-angle connector on the cable. Push toward connection, turn cou...	Remark	Published	12/09/2022 1:38 PM
6672 - 6671 - Install New Gamma Detector; Remark:	Procedure Step	Published	12/09/2022 10:36 AM
6671 - Install New Gamma Detector	Instruction	Published	12/09/2022 10:36 AM
6719 - 6328 - Reseat gamma connectors; Remark:6718	Procedure Step	Published	12/09/2022 1:40 PM
6328 - Reseat gamma connectors	Instruction	Published	11/29/2022 9:15 AM
6718 - Disconnect and reconnect both connections to the 90-degree elbow several time...	Remark	Published	12/09/2022 1:39 PM
6720 - 6717 - Set gamma detector in place; Remark:6716	Procedure Step	Published	12/09/2022 1:41 PM
6717 - Set gamma detector in place	Instruction	Published	12/09/2022 1:40 PM
6716 - Insert the gamma detector into the foam. Route the cable through the foam to ...	Remark	Published	12/09/2022 1:40 PM
6332 - 6328 - Reseat gamma connectors; Remark:6326	Procedure Step	Published	11/29/2022 9:18 AM
6326 - The gamma detector is connected at the FHT 681 amplifier at the connection la...	Remark	Published	11/30/2022 12:21 PM
6327 -	Remark	Published	11/29/2022 9:18 AM
303 - 302 - Reassemble instrument; Remark:	Procedure Step	Published	10/07/2022 1:49 PM
302 - Reassemble instrument	Instruction	Published	06/16/2021 11:28 PM
6737 - 6736 - Secure protective foam together; Remark:6735	Procedure Step	Published	12/09/2022 1:45 PM
6736 - Secure protective foam together	Instruction	Published	12/09/2022 1:44 PM
6735 - Re-wrap the foam assembly with electrical tape. Do not compress the foam....	Remark	Published	12/09/2022 1:45 PM
6333 - 6325 - Repack backpack; Remark:6323	Procedure Step	Published	11/29/2022 9:20 AM
6325 - Repack backpack	Instruction	Published	11/29/2022 9:18 AM
6323 - Slide the protective foam assembly into backpack	Remark	Published	11/29/2022 9:19 AM
6324 -	Remark	Published	11/29/2022 9:20 AM
6344 - 1383 - Close backpack; Remark:6343	Procedure Step	Published	11/29/2022 10:11 AM
1383 - Close backpack	Instruction	Published	11/19/2020 5:23 PM
6343 -	Remark	Published	11/29/2022 10:11 AM
6342 - 6341 - Perform Gamma High Voltage Adjustment; Remark:6340	Procedure Step	Published	11/29/2022 10:13 AM
6341 - Perform Gamma High Voltage Adjustment	Instruction	Published	11/29/2022 10:12 AM
6340 - DET-HHD-THR-PAK-RM05, PackEye Gamma High Voltage Adjustment.	Remark	Published	11/29/2022 10:13 AM
6435 - 2584 - Perform efficiency test; Remark:6434	Procedure Step	Published	11/30/2022 1:39 PM
2584 - Perform efficiency test	Instruction	Published	08/11/2021 3:55 PM
6434 - DET-HHD-THR-RM08, PackEye Efficiency Test.	Remark	Published	11/30/2022 1:38 PM
5761 - 319 - Perform operational test; Remark:5760	Procedure Step	Published	11/03/2022 2:58 PM
319 - Perform operational test	Instruction	Published	06/10/2021 8:31 PM
5760 - DET-HHD-THR-PAK-RM01, PackEye Operational Test	Remark	Published	11/03/2022 2:55 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
minutes	Duration	Published	05/26/2022 11:41 AM
As Needed	Frequency	Published	04/01/2020 11:36 AM
Technician 2	Skill Level	Published	04/09/2020 1:17 AM
Utility knife	Tools	Published	05/19/2020 1:54 PM
Power off Packeye	Image	Published	02/19/2022 1:48 AM
packeye_di_opentop_redarrow_00758.jpg	Image	Published	10/20/2023 12:55 PM
packeye_di_sidebuckle_open_outside.jpg	Image	Published	10/24/2023 10:18 AM
packeye_di_content_remove_4arrow.jpg	Image	Published	10/24/2023 10:20 AM
packeye_di_foamtape_remove.jpg	Image	Published	10/24/2023 11:18 AM
packeye_di_681removepmt1connector.jpg	Image	Published	10/24/2023 10:24 AM
packeye_di_gammadet_remove.jpg	Image	Published	10/24/2023 11:12 AM
packeye_di_gammaconnector_ondet_remove.jpg	Image	Published	10/24/2023 11:15 AM
packeye_di_gammaconnector_ondet_install.jpg	Image	Published	10/24/2023 11:17 AM
packeye_di_681installpmt1connector.jpg	Image	Published	10/24/2023 10:25 AM
packeye_di_foamtape_install.jpg	Image	Published	10/24/2023 11:18 AM
packeye_di_content_insert_2arrow.jpg	Image	Published	10/24/2023 10:21 AM
packeye_di_closetop_redarrow.jpg	Image	Published	10/24/2023 10:59 AM

DET-HHD-THR-PAK-CM11

Replace gamma detector in Thermo Scientific FHT 1377 PackEye.

Equipment Hierarchy

Thermo FHT1377 PackEye

Frequency

As Needed

Technician Level

Technician 2

x 1

Duration

Time increment

minutes

Length of time

Tools Required

Utility knife

Originators

Kilgannon, Erica

Tucker, Brian

Originating Organization

PNNL

Approver

Cody Hostick

Safety Concerns

None

Retest Requirements

PackEye Operational Test

Additional Retest Requirements Information

DET-HHD-THR-PAK-RM05, PackEye Gamma High Voltage Adjustment

DET-HHD-THR-PAK-RM08, PackEye Efficiency Test

Final Documentation

Corrective Maintenance Report

Departmental Coordination

Prior to arrival, notify operators concerning expected work, duration, and anticipated alarms and fault indications.

Date of Origin

2022-10-01

Version

1.00

Step 1

Main Step

6676 - 6675 - Unpack Instrument; Remark:

Step 00

6675 - Unpack Instrument

Unpack Instrument

3869 - 313 - Power off instrument; Remark:3850

Step 00

313 - Power off instrument

Power off instrument

3850 - Press and hold the power button for approximately 10 seconds until indicator ...

Press and hold the power button for approximately 10 seconds until indicator lights are off.

Power button highlighted and arrow on neutron indicator

4223 - 4222 - Place instrument on flat surface; Remark:4221

Step 00

4222 - Place instrument on flat surface

Place instrument on flat surface

4221 - Shoulder straps should be facing down.

Shoulder straps should be facing down.

3926 - 3876 - Open top of backpack; Remark:3928

Step 00

3876 - Open top of backpack

Open top of backpack

3928 - IO PackEye Open Top of Backpack for Battery Access

6217 - 6216 - Disconnect straps on sides of backpack; Remark:6215

Step 00

6216 - Disconnect straps on sides of backpack

Disconnect straps on sides of backpack

6215 -

6709 - 6708 - Remove backpack contents; Remark:6707

Step 00

6708 - Remove backpack contents

Remove backpack contents

6707 - Slowly slide foam assembly out of backpack. This process might take two peopl...

Slowly slide foam assembly out of backpack. This process might take two people; one to pull the backpack and the other to pull the foam assembly.

6710 - 6706 - Open protective foam; Remark:6705

Step 00

6706 - Open protective foam

Open protective foam

6705 - Use utility knife or scissors. Cut tape on one side of foam assembly.

Use utility knife or scissors. Cut tape on one side of foam assembly.

Step 2

Main Step

6674 - 6673 - Remove Faulty Gamma Detector; Remark:

Step 00

6673 - Remove Faulty Gamma Detector

Remove Faulty Gamma Detector

6225 - 6221 - Disconnect gamma detector; Remark:6220

Step 00

6221 - Disconnect gamma detector

Disconnect gamma detector

6220 - The gamma detector is connected to the FHT 681 amplifier at PMT1

The gamma detector is connected to the FHT 681 amplifier at PMT1. Push toward connection, turn coupling nut counterclockwise, and pull away from connection.