RPM Neutron Signal Pick-Off Box (PMFX) Replacement

Last Updated: 04/23/2025 1:42 AM

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

Title	Type	Status	Last Updated
Rapiscan CM-267 Conveyor Monitor	Device	Published	06/27/2024 1:02 PM
Rapiscan PM-700 Pedestrian Monitor	Device	Published	06/20/2024 11:38 AM
Rapiscan TM-850 Rail Monitor	Device	Published	09/18/2024 10:28 AM
Rapiscan VM-250 Vehicle Monitor	Device	Published	10/14/2024 9:50 AM
7264 - 1401 - Establish Initial Conditions; Remark:	Procedure Step	Published	04/27/2023 7:00 PM
1401 - Establish Initial Conditions	Instruction	Published	09/30/2022 3:14 PM
7622 - 7592 - Inform system operators; Remark:11335	Procedure Step	Published	04/20/2025 10:15 AM
7592 - Inform system operators	Instruction	Published	06/29/2023 3:20 PM
11335 - Upon arrival, brief system operators on expected work, duration, anticipated ...	Remark	Published	04/20/2025 10:14 AM
7268 - 7231 - Close lane; Remark:7233	Procedure Step	Published	04/27/2023 7:01 PM
9053 - Warning : Traffic should temporarily be rerouted or halted during conduction of this pr...	Annotation	Published	09/27/2023 9:09 AM
7231 - Close lane	Instruction	Published	04/18/2023 1:00 PM
7233 - Use orange safety (traffic control) cones to setup barriers. Practice establi...	Remark	Published	04/24/2023 12:18 PM
7269 - 7232 - Open RPM door; Remark:7234	Procedure Step	Published	04/27/2023 7:02 PM
7232 - Open RPM door	Instruction	Published	04/18/2023 1:02 PM
7234 - Open all doors needed to access components.	Remark	Published	04/19/2025 7:48 PM
7755 - 7679 - Disconnect Ethernet; Remark:11336	Procedure Step	Published	04/20/2025 11:18 AM
7680 - Caution : Make sure to press release button on back of Ethernet cable before removing.	Annotation	Published	07/01/2023 11:54 PM
7679 - Disconnect Ethernet	Instruction	Published	07/01/2023 11:52 PM
11336 - Locate Ethernet connector on top of SC-770 controller. Press release button o...	Remark	Published	04/20/2025 11:21 AM
7270 - 7235 - Power off RPM; Remark:7236	Procedure Step	Published	09/01/2023 7:57 PM
7235 - Power off RPM	Instruction	Published	04/24/2023 12:30 PM
7236 - Move LD-260 switch to OFF position. The PWR ON	Remark	Published	04/27/2023 4:25 PM
9265 - 9223 - Remove PMFX Box; Remark:	Procedure Step	Published	10/02/2023 1:04 PM
9223 - Remove PMFX Box	Instruction	Published	10/03/2023 12:03 PM
9262 - 9224 - Disconnect all signal (BNC) and miniature high voltage (MHV) cables from PMFX...; Remark:	Procedure Step	Published	10/02/2023 1:04 PM
7792 - Note : It is good engineering practice to ensure all cables and connectors are label...	Annotation	Published	07/07/2023 2:17 PM
9224 - Disconnect all signal (BNC) and miniature high voltage (MHV) cables from PMFX...	Instruction	Published	10/02/2023 9:05 AM
9263 - 572 - Remove four (4) cover screws; Remark:9520	Procedure Step	Published	10/02/2023 1:05 PM
572 - Remove four (4) cover screws	Instruction	Published	08/09/2021 1:57 PM
9520 -	Remark	Published	10/04/2023 10:56 AM
9264 - 445 - Remove four (4) mounting screws; Remark:9232	Procedure Step	Published	10/02/2023 1:05 PM
445 - Remove four (4) mounting screws	Instruction	Published	07/22/2021 12:41 PM
9232 - Non-potted version	Remark	Published	10/03/2023 1:07 PM
9233 - Potted version	Remark	Published	10/03/2023 1:07 PM
9234 - Access holes for retaining screws.	Remark	Published	10/03/2023 1:06 PM
3397 - 3395 - Label faulty component; Remark:3396	Procedure Step	Published	07/21/2024 6:59 AM
3395 - Label faulty component	Instruction	Published	08/07/2021 11:07 AM
3396 - Use tag or tape. Include date of removal, description of failure symptoms, co...	Remark	Published	08/09/2021 11:35 AM
9261 - 9225 - Install New PMFX Box; Remark:	Procedure Step	Published	10/02/2023 1:06 PM
9225 - Install New PMFX Box	Instruction	Published	10/03/2023 12:05 PM
9257 - 9226 - Mount PMFX with four screws; Remark:7807	Procedure Step	Published	10/02/2023 1:06 PM
9226 - Mount PMFX with four screws	Instruction	Published	10/03/2023 12:04 PM
7807 - Use screws previously removed.	Remark	Published	07/07/2023 9:38 PM
9258 - 9227 - Reinstall four (4) cover screws; Remark:7807	Procedure Step	Published	10/02/2023 1:07 PM
9227 - Reinstall four (4) cover screws	Instruction	Published	10/02/2023 9:06 AM
9259 - 9228 - Reconnect BNC and MHV connectors to PMFX box; Remark:	Procedure Step	Published	10/02/2023 1:07 PM
9228 - Reconnect BNC and MHV connectors to PMFX box	Instruction	Published	10/02/2023 9:07 AM
7279 - 7249 - Return equipment to normal operating condition; Remark:	Procedure Step	Published	04/27/2023 4:13 PM
7249 - Return equipment to normal operating condition	Instruction	Published	04/08/2025 3:22 PM
7280 - 7250 - Power on RPM; Remark:7251	Procedure Step	Published	04/27/2023 4:14 PM
7250 - Power on RPM	Instruction	Published	05/01/2023 8:31 AM
7251 - Move LD-260 switch to ON position. The LED PWR ON	Remark	Published	05/10/2023 3:14 PM
9254 - 9229 - Verify neutron counts; Remark:9231	Procedure Step	Published	10/02/2023 1:09 PM
9229 - Verify neutron counts	Instruction	Published	10/02/2023 9:07 AM
9231 - Neutron counts can be verified by placing Cf-252 source near front of neutron...	Remark	Published	10/03/2023 1:13 PM
7781 - 7730 - Reconnect Ethernet; Remark:7731	Procedure Step	Published	04/20/2025 11:00 AM
7730 - Reconnect Ethernet	Instruction	Published	07/02/2023 2:34 AM
7731 - Insert Ethernet connector at top of SC-770 module. Connector will audibly "cl...	Remark	Published	07/02/2023 2:36 AM
7283 - 7256 - Close and lock all RPM doors; Remark:	Procedure Step	Published	09/01/2023 11:45 PM
7256 - Close and lock all RPM doors	Instruction	Published	04/27/2023 2:21 PM
9255 - 8250 - Reopen Lane; Remark:	Procedure Step	Published	10/02/2023 1:09 PM
8250 - Reopen Lane	Instruction	Published	09/07/2023 3:09 PM
7842 - 7820 - Inform system operators upon completion of maintenance action; Remark:	Procedure Step	Published	07/07/2023 11:15 PM
7820 - Inform system operators upon completion of maintenance action	Instruction	Published	07/07/2023 10:02 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
15 minutes	Duration	Published	04/01/2020 11:35 AM
Change from non-potted to potted parts once	Frequency	Published	10/02/2023 1:52 PM
Upon PMFX box failure	Frequency	Published	10/02/2023 1:51 PM
Warning	Annotation Type	Published	03/02/2020 3:25 PM
Caution	Annotation Type	Published	03/02/2020 3:24 PM
Note	Annotation Type	Published	03/02/2020 3:25 PM
Technician 1	Skill Level	Published	05/14/2020 2:56 PM
Medium Phillips (PH2) screwdriver bit	Tools	Published	07/01/2022 11:18 AM
Phillips screwdriver, small with 80 to 100 mm long shaft	Replacement Parts	Published	07/09/2023 1:06 AM
Disconnect Ethernet cable on top of SC-770 box	Image	Published	10/04/2023 2:59 PM
LD-260 Disconnect Switch Power Off	Image	Published	04/24/2023 12:49 PM
Remove four (4) cover Screws	Image	Published	10/02/2023 3:09 PM
non-potted version	Image	Published	10/02/2023 3:10 PM
potted version. Access holes for retaining screws.	Image	Published	10/02/2023 3:12 PM
LD-260 Disconnect Switch Power On	Image	Published	05/04/2023 3:37 PM

DET-RPM-RAP-CM04

Replace PMFX Box.

Equipment Hierarchy

Rapiscan CM-267 Conveyor Monitor

Rapiscan PM-700 Pedestrian Monitor

Rapiscan TM-850 Rail Monitor

Rapiscan VM-250 Vehicle Monitor

Frequency

Change from non-potted to potted parts once

Upon PMFX box failure

Technician Level

Technician 1

x 1

Duration

Time increment

15 minutes

Length of time

Tools Required

Medium Phillips (PH2) screwdriver bit

Phillips screwdriver, small with 80 to 100 mm long shaft

Materials Required

Neutron Signal Pick-off Box (Rapiscan Part# 8699P)

Originators

Craig Stinson

Bailey Toon

Originating Organization

PNNL

Approver

Eric Hirschi

Safety Concerns

Traffic

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

2017-01-12

Version

0.00

Preparation

Step 1

Main Step

7264 - 1401 - Establish Initial Conditions; Remark:

Step 00

1401 - Establish Initial Conditions

Establish Initial Conditions

7622 - 7592 - Inform system operators; Remark:11335

Step 00

7592 - Inform system operators

Inform system operators

11335 - Upon arrival, brief system operators on expected work, duration, anticipated ...

Upon arrival, brief system operators on expected work, duration, anticipated alarms, and fault indications before starting work.

7268 - 7231 - Close lane; Remark:7233

9053 - Warning : Traffic should temporarily be rerouted or halted during conduction of this pr...

Type

Warning

Traffic should temporarily be rerouted or halted during conduction of this procedure to ensure maintenance provider safety and to prevent unscreened vehicles from passing.

Step 00

7233 - Use orange safety (traffic control) cones to setup barriers. Practice establi...

Use orange safety (traffic control) cones to setup barriers. Practice established safety protocols.

7269 - 7232 - Open RPM door; Remark:7234

Step 00

7234 - Open all doors needed to access components.

Open all doors needed to access components.

7755 - 7679 - Disconnect Ethernet; Remark:11336

7680 - Caution : Make sure to press release button on back of Ethernet cable before removing.

Type

Caution

Make sure to press release button on back of Ethernet cable before removing.

Step 00

11336 - Locate Ethernet connector on top of SC-770 controller. Press release button o...

Locate Ethernet connector on top of SC-770 controller. Press release button on back of connector. Pull connector.

Disconnect Ethernet cable on top of SC-770 box

7270 - 7235 - Power off RPM; Remark:7236

Step 00

7236 - Move LD-260 switch to OFF position. The PWR ON

Move LD-260 switch to OFF position. The PWR ON LED will turn off.

Operation

Step 2

Main Step

9265 - 9223 - Remove PMFX Box; Remark:

Step 00

9262 - 9224 - Disconnect all signal (BNC) and miniature high voltage (MHV) cables from PMFX...; Remark:

7792 - Note : It is good engineering practice to ensure all cables and connectors are label...

Type

Note

It is good engineering practice to ensure all cables and connectors are labeled before disconnecting them.

Step 00

9224 - Disconnect all signal (BNC) and miniature high voltage (MHV) cables from PMFX...

Disconnect all signal (BNC) and miniature high voltage (MHV) cables from PMFX box

9263 - 572 - Remove four (4) cover screws; Remark:9520

Step 00

572 - Remove four (4) cover screws

Remove four (4) cover screws

9264 - 445 - Remove four (4) mounting screws; Remark:9232

Step 00

445 - Remove four (4) mounting screws

Remove four (4) mounting screws

9234 - Access holes for retaining screws.

Access holes for retaining screws.

3397 - 3395 - Label faulty component; Remark:3396

Step 00

3396 - Use tag or tape. Include date of removal, description of failure symptoms, co...

Use tag or tape. Include date of removal, description of failure symptoms, country, site, and lane number. Dispose per Nuclear Smuggling Detection and Deterrence (NSDD) guidance or contractual requirements.

Operation

Step 3

Main Step