RPM ELK Siren Driver 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 VM-250 Vehicle Monitor	Device	Published	10/14/2024 9:50 AM
Rapiscan TM-850 Rail Monitor	Device	Published	09/18/2024 10:28 AM
8489 - 1401 - Establish Initial Conditions; Remark:	Procedure Step	Published	09/24/2023 9:51 AM
7265 - Warning : Traffic should temporarily be rerouted or halted during this procedure to ens...	Annotation	Published	04/27/2023 1:42 PM
1401 - Establish Initial Conditions	Instruction	Published	09/30/2022 3:14 PM
8490 - 7592 - Inform system operators; Remark:	Procedure Step	Published	09/16/2023 8:49 PM
7592 - Inform system operators	Instruction	Published	06/29/2023 3:20 PM
8221 - 7676 - Brief system operators on expected work, duration, anticipated alarms, and fa...; Remark:	Procedure Step	Published	09/01/2023 9:26 PM
7676 - Brief system operators on expected work, duration, anticipated alarms, and fa...	Instruction	Published	07/01/2023 11:39 PM
8818 - 8817 - Disconnect ELK Audible Board Wiring; Remark:	Procedure Step	Published	09/25/2023 12:07 PM
8817 - Disconnect ELK Audible Board Wiring	Instruction	Published	09/25/2023 12:06 PM
8820 - 8819 - Locate terminal block TB2; Remark:8674	Procedure Step	Published	09/25/2023 12:09 PM
8819 - Locate terminal block TB2	Instruction	Published	09/25/2023 12:07 PM
8674 - For vehicle monitors: Open the upper RPM door	Remark	Published	09/24/2023 9:58 AM
8824 - 8821 - Disconnect wiring from terminal block TB2; Remark:8822	Procedure Step	Published	09/25/2023 12:15 PM
8821 - Disconnect wiring from terminal block TB2	Instruction	Published	09/25/2023 12:10 PM
8822 - Using a small flathead screwdriver, remove wi...	Remark	Published	09/25/2023 12:15 PM
8826 - 8678 - Release wiring harness from fasteners; Remark:8825	Procedure Step	Published	04/13/2025 6:15 PM
8678 - Release wiring harness from fasteners	Instruction	Published	04/13/2025 6:10 PM
8825 - Wire ties securing Pin 1, Pin 3, and	Remark	Published	09/25/2023 12:20 PM
8831 - 8828 - Disconnect ELK audible driver board wiring; Remark:8827	Procedure Step	Published	04/13/2025 6:15 PM
8828 - Disconnect ELK audible driver board wiring	Instruction	Published	04/13/2025 6:12 PM
8827 - Using a small Phillips (PH1) screwdriver, disconnect wir...	Remark	Published	09/25/2023 12:27 PM
8830 - 8829 - Uninstall Faulty ELK Audible Driver Board; Remark:	Procedure Step	Published	09/25/2023 12:30 PM
8829 - Uninstall Faulty ELK Audible Driver Board	Instruction	Published	09/25/2023 12:29 PM
8834 - 8832 - Unmount ELK audible driver board; Remark:8833	Procedure Step	Published	09/25/2023 12:36 PM
8832 - Unmount ELK audible driver board	Instruction	Published	09/25/2023 12:34 PM
8833 - Use a small Phillips (PH1) screwdriver to remove the four mounting screws.	Remark	Published	09/25/2023 12:36 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
8836 - 8835 - Install New ELK Audible Driver Board; Remark:	Procedure Step	Published	09/25/2023 12:38 PM
8835 - Install New ELK Audible Driver Board	Instruction	Published	09/25/2023 12:38 PM
8839 - 8837 - Mount new ELK audible driver board; Remark:8838	Procedure Step	Published	09/25/2023 12:41 PM
8837 - Mount new ELK audible driver board	Instruction	Published	09/25/2023 12:39 PM
8838 - Use a small Phillips (PH1) screwdriver to install and tighten the four screws...	Remark	Published	09/25/2023 12:40 PM
8841 - 8840 - Connect ELK Audible Board Wiring; Remark:	Procedure Step	Published	09/25/2023 12:50 PM
8840 - Connect ELK Audible Board Wiring	Instruction	Published	09/25/2023 12:49 PM
8844 - 8842 - Reconnect wires to terminal block TB2; Remark:8843	Procedure Step	Published	09/25/2023 12:52 PM
462 - Caution : Correct placement of connectors and wiring is critical to proper operation.	Annotation	Published	09/28/2023 2:13 PM
8842 - Reconnect wires to terminal block TB2	Instruction	Published	09/25/2023 12:50 PM
8843 - Using a small flathead screwdriver, reconnect wires:...	Remark	Published	09/25/2023 12:52 PM
8845 - 8714 - Add wire fasteners where removed; Remark:	Procedure Step	Published	09/25/2023 12:54 PM
8714 - Add wire fasteners where removed	Instruction	Published	09/24/2023 2:16 PM
8848 - 8846 - Reconnect ELK audible driver board wiring; Remark:8847	Procedure Step	Published	09/25/2023 12:57 PM
8846 - Reconnect ELK audible driver board wiring	Instruction	Published	09/25/2023 12:55 PM
8847 - Using a small Phillips screwdriver, reconenct...	Remark	Published	09/25/2023 12:57 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
8503 - 7250 - Power on RPM; Remark:7251	Procedure Step	Published	09/16/2023 9:00 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
8851 - 8849 - As the RPM powers on, listen for the "steady" siren.; Remark:	Procedure Step	Published	09/25/2023 1:07 PM
8849 - As the RPM powers on, listen for the "steady" siren.	Instruction	Published	09/25/2023 1:06 PM
8854 - 8852 - Remove jumper in terminal block TB2; Remark:8853	Procedure Step	Published	09/25/2023 1:14 PM
8852 - Remove jumper in terminal block TB2	Instruction	Published	09/25/2023 1:10 PM
8853 - Pull jumper from terminal block TB2 Pin 1 and Pin 2	Remark	Published	09/25/2023 1:14 PM
8874 - 7250 - Power on RPM; Remark:7251	Procedure Step	Published	09/25/2023 2:12 PM
8856 - 8855 - Listen for the neutron alarm; Remark:	Procedure Step	Published	09/25/2023 1:21 PM
8855 - Listen for the neutron alarm	Instruction	Published	09/25/2023 1:21 PM
8858 - 8857 - Reinsert jumper in terminal block TB2 Pin 1 and Pin 2; Remark:	Procedure Step	Published	09/25/2023 1:24 PM
8857 - Reinsert jumper in terminal block TB2 Pin 1 and Pin 2	Instruction	Published	09/25/2023 1:23 PM
8506 - 7254 - Confirm network connection; Remark:7255	Procedure Step	Published	09/24/2023 3:34 PM
7254 - Confirm network connection	Instruction	Published	04/27/2023 2:22 PM
7255 - Contact operators to confirm communications have been reestablished between RPM ...	Remark	Published	05/10/2023 3:15 PM
8507 - 7256 - Close and lock all RPM doors; Remark:	Procedure Step	Published	09/24/2023 3:35 PM
7256 - Close and lock all RPM doors	Instruction	Published	04/27/2023 2:21 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
Upon failure of ELK siren driver	Frequency	Published	09/25/2023 1:47 PM
Warning	Annotation Type	Published	03/02/2020 3:25 PM
Caution	Annotation Type	Published	03/02/2020 3:24 PM
Technician 1	Skill Level	Published	05/14/2020 2:56 PM
Small slotted (flathead) screwdriver	Tools	Published	09/11/2020 11:23 AM
Medium Phillips (PH2) screwdriver	Tools	Published	04/24/2020 4:40 PM
Small Phillips (PH1) screwdriver	Tools	Published	05/14/2020 2:48 PM
Wire cutter pliers	Tools	Published	10/27/2022 1:20 PM
Gloves	Replacement Parts	Published	05/10/2023 3:28 PM
Terminal Block TB2 Wiring	Image	Published	09/25/2023 12:15 PM
Disconnect from ELK Audible Board	Image	Published	09/25/2023 12:25 PM
ELK Audible Driver Board Mounts	Image	Published	09/25/2023 12:35 PM
LD-260 Disconnect Switch Power On	Image	Published	05/04/2023 3:37 PM
Terminal Block TB2 Jumper	Image	Published	09/25/2023 1:13 PM

DET-RPM-RAP-CM20

Replace ELK audible siren driver.

Equipment Hierarchy

Rapiscan VM-250 Vehicle Monitor

Rapiscan TM-850 Rail Monitor

Frequency

Upon failure of ELK siren driver

Technician Level

Technician 1

x 1

Duration

Notes

Hour

Length of time

Tools Required

Small slotted (flathead) screwdriver

Medium Phillips (PH2) screwdriver

Small Phillips (PH1) screwdriver

Wire cutter pliers

Gloves

Materials Required

New ELK 100 Siren Driver (Rapiscan Part #7343B)

Wire ties

Originators

Mike Papp

Originating Organization

Rapiscan System

Approver

Craig Stinson

Safety Concerns

Traffic

Ladder

Electrical

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

2020-11-30

Version

1.00

Version #

Revision Description

Updated pillar names

Revision Author

Angela Moore

Preparation

Step 1

Main Step

8489 - 1401 - Establish Initial Conditions; Remark:

7265 - Warning : Traffic should temporarily be rerouted or halted during this procedure to ens...

Type

Warning

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

Step 00

1401 - Establish Initial Conditions

Establish Initial Conditions

8490 - 7592 - Inform system operators; Remark:

Step 00

7592 - Inform system operators

Inform system operators

8221 - 7676 - Brief system operators on expected work, duration, anticipated alarms, and fa...; Remark:

Step 00

7676 - Brief system operators on expected work, duration, anticipated alarms, and fa...

Brief system operators on expected work, duration, anticipated alarms, and fault indications before starting work

Operation

Step 2

Main Step

8818 - 8817 - Disconnect ELK Audible Board Wiring; Remark:

Step 00

8817 - Disconnect ELK Audible Board Wiring

Disconnect ELK Audible Board Wiring

8820 - 8819 - Locate terminal block TB2; Remark:8674

Step 00

8819 - Locate terminal block TB2

Locate terminal block TB2

8674 - For vehicle monitors: Open the upper RPM door

For vehicle monitors: Open the upper RPM door

For train monitors: Open the control cabinet

8824 - 8821 - Disconnect wiring from terminal block TB2; Remark:8822

Step 00

8821 - Disconnect wiring from terminal block TB2

Disconnect wiring from terminal block TB2

8822 - Using a small flathead screwdriver, remove wi...

Using a small flathead screwdriver, remove wires:

Red wire - Pin 1

Yellow wire - Pin 3

Black wire - Pin 14

8826 - 8678 - Release wiring harness from fasteners; Remark:8825

Step 00

8678 - Release wiring harness from fasteners

Release wiring harness from fasteners

8825 - Wire ties securing Pin 1, Pin 3, and

Wire ties securing Pin 1, Pin 3, and Pin 14 from terminal block TB2 should be removed.

8831 - 8828 - Disconnect ELK audible driver board wiring; Remark:8827

Step 00

8828 - Disconnect ELK audible driver board wiring

Disconnect ELK audible driver board wiring

8827 - Using a small Phillips (PH1) screwdriver, disconnect wir...

Using a small Phillips (PH1) screwdriver, disconnect wires:

White wire - SPKR

Green wire - LOW

Operation

Step 3

Main Step

8830 - 8829 - Uninstall Faulty ELK Audible Driver Board; Remark:

Step 00

8829 - Uninstall Faulty ELK Audible Driver Board

Uninstall Faulty ELK Audible Driver Board

8834 - 8832 - Unmount ELK audible driver board; Remark:8833

Step 00

8832 - Unmount ELK audible driver board

Unmount ELK audible driver board

8833 - Use a small Phillips (PH1) screwdriver to remove the four mounting screws.

Use a small Phillips (PH1) screwdriver to remove the four mounting screws.

3397 - 3395 - Label faulty component; Remark:3396

Step 00

3395 - Label faulty component

Label faulty component

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 4

Main Step