RPM VD-580 Replacement | FRONTLINE Maintenance Tool

Last Updated: 04/24/2025 1:45 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
9283 - 8309 - Remove VD-580; Remark:	Procedure Step	Published	10/02/2023 1:35 PM
8309 - Remove VD-580	Instruction	Published	09/08/2023 2:31 PM
9279 - 9207 - Disconnect BNC and MHV cables from VD-580 on top of gamma detector; Remark:	Procedure Step	Published	10/02/2023 1:35 PM
7792 - Note : It is good engineering practice to ensure all cables and connectors are label...	Annotation	Published	07/07/2023 2:17 PM
9207 - Disconnect BNC and MHV cables from VD-580 on top of gamma detector	Instruction	Published	10/03/2023 10:40 AM
9280 - 9208 - Unhook springs from photomultiplier tube ...; Remark:	Procedure Step	Published	10/02/2023 1:36 PM
9221 - Note : Do not release the springs while they are under tension, the springs may fly ...	Annotation	Published	09/29/2023 5:40 PM
9208 - Unhook springs from photomultiplier tube (PMT) using needle nose pliers	Instruction	Published	10/03/2023 11:57 AM
9281 - 9209 - Pull VD-580 off gently to remove from PMT; Remark:9518	Procedure Step	Published	10/02/2023 1:36 PM
9209 - Pull VD-580 off gently to remove from PMT	Instruction	Published	10/03/2023 11:57 AM
9518 -	Remark	Published	10/04/2023 10:28 AM
9282 - 9210 - Verify VD-580 to be installed is potted; Remark:9218	Procedure Step	Published	10/02/2023 1:37 PM
9210 - Verify VD-580 to be installed is potted	Instruction	Published	10/03/2023 11:59 AM
9218 - Potted version has visible gel coating on circuit board.	Remark	Published	10/03/2023 1:21 PM
9219 - Potted Version	Remark	Published	10/03/2023 1:20 PM
9278 - 9211 - Install New VD-580; Remark:	Procedure Step	Published	10/02/2023 1:37 PM
9211 - Install New VD-580	Instruction	Published	09/29/2023 5:32 PM
9275 - 9212 - Line up alignment key and notch between PMT and VD‑580; Remark:9519	Procedure Step	Published	10/02/2023 1:38 PM
9212 - Line up alignment key and notch between PMT and VD‑580	Instruction	Published	10/03/2023 12:00 PM
9519 -	Remark	Published	10/04/2023 10:51 AM
9276 - 9213 - Firmly press VD-580 into place on PMT and...; Remark:	Procedure Step	Published	10/02/2023 1:38 PM
9222 - Note : It may be easier to install the rear spring first. You can install that spring b...	Annotation	Published	10/03/2023 10:39 AM
9213 - Firmly press VD-580 into place on PMT and reattach springs	Instruction	Published	10/03/2023 12:01 PM
9277 - 9214 - Reconnect BNC and MHV cables to VD-580; Remark:	Procedure Step	Published	10/02/2023 1:38 PM
7811 - Caution : Proper connection of cables is critical.	Annotation	Published	07/07/2023 9:48 PM
9214 - Reconnect BNC and MHV cables to VD-580	Instruction	Published	09/29/2023 5:33 PM
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
9272 - 9215 - Verify detector count rate; Remark:9220	Procedure Step	Published	04/20/2025 11:49 AM
9215 - Verify detector count rate	Instruction	Published	09/29/2023 5:34 PM
9220 - Navigate to SHOW COUNTS on SC-770. Enter “Program Mode” by pres...	Remark	Published	04/20/2025 11:51 AM
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
9273 - 9216 - Reopen RPM Lane; Remark:	Procedure Step	Published	10/02/2023 1:40 PM
9216 - Reopen RPM Lane	Instruction	Published	09/29/2023 5:34 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
10 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 failure of VD-580	Frequency	Published	10/02/2023 1:50 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
Keys to access RPM	Replacement Parts	Published	04/27/2023 6:56 PM
Reflective safety vest if required	Replacement Parts	Published	06/20/2023 4:47 PM
Ladder: 2 meters, 6 feet tall; non-conducting	Replacement Parts	Published	09/01/2023 9:34 PM
Traffic control cones or equivalent if required	Replacement Parts	Published	06/20/2023 4:47 PM
safety glasses	Replacement Parts	Published	07/02/2023 4:48 PM
Needle nose pliers	Tools	Published	05/06/2020 4:10 PM
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
Pull VD-580 off gently to remove from PMT	Image	Published	10/16/2023 10:15 AM
Potted version has visible gel coating on circuit board.	Image	Published	10/02/2023 3:39 PM
Line up alignment key and notch between PMT and VD 580	Image	Published	10/02/2023 3:40 PM
LD-260 Disconnect Switch Power On	Image	Published	05/04/2023 3:37 PM

DET-RPM-RAP-CM03

Replace gamma detector VD-580 voltage divider.

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 failure of VD-580

Technician Level

Teknisyen 1

x 1

Duration

Time increment

10 minutes

Length of time

Tools Required

Keys to access RPM

Reflective safety vest if required

Ladder: 2 meters, 6 feet tall; non-conducting

Traffic control cones or equivalent if required

safety glasses

Needle nose pliers

Materials Required

VD-580 Voltage Divider (Rapiscan Part# 8870AP)

Originators

Craig Stinson

Bailey Toon

Originating Organization

PNNL

Approver

Eric Hirschi

Safety Concerns

Traffic

Retest Requirements

RPM Operational 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

2017-01-12

Version

0.00

Hazırlık

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.

Çalıştırma

Step 2

Main Step

9283 - 8309 - Remove VD-580; Remark:

Step 00

9279 - 9207 - Disconnect BNC and MHV cables from VD-580 on top of gamma detector; 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

9207 - Disconnect BNC and MHV cables from VD-580 on top of gamma detector

Disconnect BNC and MHV cables from VD-580 on top of gamma detector

9280 - 9208 - Unhook springs from photomultiplier tube ...; Remark:

9221 - Note : Do not release the springs while they are under tension, the springs may fly ...

Type

Note

Do not release the springs while they are under tension, the springs may fly off and be lost. If the springs come off the PMT, set them aside in a safe location. They are required for the following steps.

Step 00

9208 - Unhook springs from photomultiplier tube (PMT) using needle nose pliers

Unhook springs from photomultiplier tube (PMT) using needle nose pliers

9281 - 9209 - Pull VD-580 off gently to remove from PMT; Remark:9518

Step 00

9209 - Pull VD-580 off gently to remove from PMT

Pull VD-580 off gently to remove from PMT

9518 -

9282 - 9210 - Verify VD-580 to be installed is potted; Remark:9218

Step 00

9210 - Verify VD-580 to be installed is potted

Verify VD-580 to be installed is potted

9218 - Potted version has visible gel coating on circuit board.

Potted version has visible gel coating on circuit board.

9219 - Potted Version

Potted Version

Çalıştırma

Step 3

Main Step

9278 - 9211 - Install New VD-580; Remark:

Step 00

9211 - Install New VD-580

Install New VD-580

9275 - 9212 - Line up alignment key and notch between PMT and VD‑580; Remark:9519

Step 00

9212 - Line up alignment key and notch between PMT and VD‑580

Line up alignment key and notch between PMT and VD‑580

9519 -

9276 - 9213 - Firmly press VD-580 into place on PMT and...; Remark:

9222 - Note : It may be easier to install the rear spring first. You can install that spring b...

Type

Note

It may be easier to install the rear spring first. You can install that spring before seating the VD‑580 onto the PMT. Care must be taken not to stretch the spring too much.

Step 00