Safety glasses if required | FRONTLINE Maintenance Tool

RPM General Purpose Relay Board Replacement

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 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
Rapiscan PM-700 Pedestrian Monitor	Device	Published	06/20/2024 11:38 AM
1402 - 7927 - Establish Initial Conditions; Remark:	Procedure Step	Published	09/30/2022 1:47 PM
7927 - Establish Initial Conditions	Instruction	Published	07/12/2023 12:23 AM
7372 - 7231 - Close lane; Remark:7233	Procedure Step	Published	09/01/2023 7:52 PM
7261 - Warning : Traffic should temporarily be rerouted or halted during this procedure to ens...	Annotation	Published	09/28/2023 2:09 PM
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
7374 - 7235 - Power off RPM; Remark:7236	Procedure Step	Published	05/04/2023 4:15 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
9719 - 9718 - Uninstall Faulty GPRB-756 from SC-770 Controller Module ...; Remark:	Procedure Step	Published	10/13/2023 1:48 PM
9718 - Uninstall Faulty GPRB-756 from SC-770 Controller Module ...	Instruction	Published	10/13/2023 1:48 PM
8239 - 8238 - Loosen SC-770 cover screws; Remark:8237	Procedure Step	Published	09/06/2023 4:14 PM
8238 - Loosen SC-770 cover screws	Instruction	Published	09/06/2023 4:03 PM
8237 - Use the medium Phillips screwdriver to loosen screws. The screws should be ca...	Remark	Published	09/06/2023 4:14 PM
9716 -	Remark	Published	10/13/2023 2:38 PM
8240 - 8235 - Pull cover straight out and away from SC-770 body before rotating lid down; Remark:9715	Procedure Step	Published	09/06/2023 4:18 PM
8236 - Caution : Do not rotate the lid down before pulling it straight away from the SC-770 bo...	Annotation	Published	09/06/2023 4:18 PM
8235 - Pull cover straight out and away from SC-770 body before rotating lid down	Instruction	Published	09/06/2023 4:17 PM
9715 -	Remark	Published	10/13/2023 2:36 PM
8246 -	Remark	Published	09/06/2023 4:32 PM
9717 - 9714 - Disconnect 3 MOLEX connectors from GPRB-756; Remark:9713	Procedure Step	Published	10/13/2023 2:32 PM
7792 - Note : It is good engineering practice to ensure all cables and connectors are label...	Annotation	Published	07/07/2023 2:17 PM
9714 - Disconnect 3 MOLEX connectors from GPRB-756	Instruction	Published	10/13/2023 2:03 PM
9713 -	Remark	Published	10/13/2023 2:31 PM
9730 - 9729 - Remove 4 Phillips head screws and retain for reuse; Remark:	Procedure Step	Published	10/13/2023 2:42 PM
9729 - Remove 4 Phillips head screws and retain for reuse	Instruction	Published	10/13/2023 2:42 PM
9731 - 9728 - Remove faulty GPRB-756; Remark:	Procedure Step	Published	10/13/2023 2:42 PM
9728 - Remove faulty GPRB-756	Instruction	Published	10/13/2023 2:42 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
9726 - 9725 - Install New GPRB-756; Remark:	Procedure Step	Published	10/13/2023 3:00 PM
9725 - Install New GPRB-756	Instruction	Published	10/13/2023 2:46 PM
9723 - 9722 - Line up the new GPRB-756 with the screw holes, and re-install the four Philli...; Remark:	Procedure Step	Published	10/13/2023 3:01 PM
9722 - Line up the new GPRB-756 with the screw holes, and re-install the four Philli...	Instruction	Published	10/13/2023 3:01 PM
9724 - 9721 - Reconnect 3 MOLEX connectors to the GPRB-756; Remark:9720	Procedure Step	Published	10/13/2023 3:04 PM
7811 - Caution : Proper connection of cables is critical.	Annotation	Published	07/07/2023 9:48 PM
9721 - Reconnect 3 MOLEX connectors to the GPRB-756	Instruction	Published	10/13/2023 3:02 PM
9720 -	Remark	Published	10/13/2023 3:02 PM
8268 - 8261 - Close SC-770 module cover and tighten all screws; Remark:	Procedure Step	Published	09/07/2023 2:50 PM
8261 - Close SC-770 module cover and tighten all screws	Instruction	Published	09/07/2023 2:50 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
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
7282 - 7254 - Confirm network connection; Remark:7255	Procedure Step	Published	04/27/2023 4:15 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
9735 - 319 - Perform operational test; Remark:9733	Procedure Step	Published	04/08/2025 2:22 PM
319 - Perform operational test	Instruction	Published	06/10/2021 8:31 PM
9733 - DET-RPM-RAP-RM03.	Remark	Published	10/13/2023 4:08 PM
8260 - 8250 - Reopen Lane; Remark:8249	Procedure Step	Published	09/07/2023 3:09 PM
8250 - Reopen Lane	Instruction	Published	09/07/2023 3:09 PM
8249 - Remove orange safety (traffic control) cones	Remark	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
minutes	Duration	Published	05/26/2022 11:41 AM
Upon failure of general purpose relay board	Frequency	Published	10/13/2023 1:18 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
Phillips screwdriver, medium	Replacement Parts	Published	07/07/2023 11:39 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 if required	Replacement Parts	Published	07/02/2023 4:48 PM
Traffic control cones or equivalent if required	Replacement Parts	Published	06/20/2023 4:47 PM
Safety glasses if required	Replacement Parts	Published	06/20/2023 4:47 PM
LD-260 Disconnect Switch Power Off	Image	Published	04/24/2023 12:49 PM
SC-770 Controller Screws	Image	Published	09/01/2023 5:56 PM
Loosen SC-770 cover screws	Image	Published	09/20/2023 1:14 PM
Loosen SC-770 cover screws zoom in	Image	Published	10/13/2023 2:17 PM
SC-770 lid cover removal instruction	Image	Published	10/13/2023 2:22 PM
SC-770 lid cover removal	Image	Published	09/06/2023 4:31 PM
GPRB-756	Image	Published	10/13/2023 2:27 PM
LD-260 Disconnect Switch Power On	Image	Published	05/04/2023 3:37 PM

Read more about RPM General Purpose Relay Board Replacement

RPM AC Line Filter Replacement

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 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 CM-267 Conveyor Monitor	Device	Published	06/27/2024 1:02 PM
7621 - 1401 - Establish Initial Conditions; Remark:	Procedure Step	Published	06/29/2023 5:37 PM
1401 - Establish Initial Conditions	Instruction	Published	09/30/2022 3:14 PM
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
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
9632 - 9609 - Power off AC circuit breaker; Remark:9610	Procedure Step	Published	10/11/2023 3:25 PM
9607 - Warning : 110/240 VAC is present at circuit breaker and at the AC line filter.	Annotation	Published	04/13/2025 6:03 PM
9608 - Note : Normally, the OFF position will be when the circuit breaker ...	Annotation	Published	10/11/2023 2:20 PM
9609 - Power off AC circuit breaker	Instruction	Published	10/11/2023 2:21 PM
9610 - The AC circuit breaker is located at the bottom of the control pillar. ...	Remark	Published	04/13/2025 6:03 PM
9633 - 9611 - Uninstall AC Line Filter; Remark:	Procedure Step	Published	10/11/2023 3:26 PM
9611 - Uninstall AC Line Filter	Instruction	Published	10/11/2023 2:30 PM
9634 - 9612 - Confirm no AC voltage is present; Remark:9613	Procedure Step	Published	04/13/2025 6:15 PM
9612 - Confirm no AC voltage is present	Instruction	Published	04/13/2025 6:02 PM
9613 - Using a digital multimeter, place the negative (-) lead on the mounting screw...	Remark	Published	10/11/2023 2:36 PM
9635 - 9615 - Measure each black wire connection; Remark:9616	Procedure Step	Published	10/11/2023 3:27 PM
9614 - Warning : DO NOT proceed if voltage is present at either wire location...	Annotation	Published	10/11/2023 2:37 PM
9615 - Measure each black wire connection	Instruction	Published	10/11/2023 2:40 PM
9616 - Using a digital multimeter, place the positive (+) lead on each of the mounti...	Remark	Published	10/11/2023 2:44 PM
9636 - 9617 - Measure each white wire connection; Remark:9618	Procedure Step	Published	10/11/2023 3:28 PM
9617 - Measure each white wire connection	Instruction	Published	10/11/2023 2:45 PM
9618 - Using a digital multimeter, place the positive (+) lead on each of the mounti...	Remark	Published	10/11/2023 2:49 PM
9637 - 9619 - Disconnect all wiring; Remark:9620	Procedure Step	Published	10/11/2023 3:29 PM
7352 - Note : It is good practice to verify all cables and connectors are labeled prior to ...	Annotation	Published	05/03/2023 11:27 AM
9619 - Disconnect all wiring	Instruction	Published	10/11/2023 2:51 PM
9620 - Using a small Phillips screwdriver, disconnect all the wires attached to the ...	Remark	Published	10/11/2023 2:52 PM
9638 - 9621 - Remove AC line filter; Remark:9622	Procedure Step	Published	10/11/2023 3:30 PM
9621 - Remove AC line filter	Instruction	Published	10/11/2023 2:52 PM
9622 - Remove two M4 mounting screws and washers. Retain hardware.	Remark	Published	10/11/2023 2:58 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
9639 - 9623 - Install New AC Line Filter; Remark:	Procedure Step	Published	10/11/2023 3:30 PM
9623 - Install New AC Line Filter	Instruction	Published	10/11/2023 3:01 PM
9640 - 9624 - Mount new AC line filter; Remark:9625	Procedure Step	Published	10/11/2023 3:31 PM
7263 - Caution : Correct placement of connectors and wiring is critical to proper operation.	Annotation	Published	04/24/2023 2:32 PM
9624 - Mount new AC line filter	Instruction	Published	10/11/2023 3:01 PM
9625 - Reuse retained M4 screws and internal washers. Remember to mount the ground w...	Remark	Published	10/11/2023 3:04 PM
9641 - 9626 - Reconnect AC line filter wiring; Remark:9627	Procedure Step	Published	10/11/2023 3:32 PM
9626 - Reconnect AC line filter wiring	Instruction	Published	10/11/2023 3:07 PM
9627 - Make sure the load wire (+) is accross from the line wire (+).	Remark	Published	10/11/2023 3:09 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
9642 - 9628 - Power on AC circuit breaker; Remark:9629	Procedure Step	Published	10/11/2023 3:33 PM
9628 - Power on AC circuit breaker	Instruction	Published	10/11/2023 3:12 PM
9629 - AC Circuit Breaker On	Remark	Published	10/11/2023 3:16 PM
9643 - 9630 - Verify AC line filter voltage; Remark:9631	Procedure Step	Published	10/11/2023 3:33 PM
9630 - Verify AC line filter voltage	Instruction	Published	10/11/2023 3:18 PM
9631 - Voltage should be present at both the input and output. 110-240 VAC will be p...	Remark	Published	10/11/2023 3:21 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
7281 - 7252 - Verify RPM start-up; Remark:7253	Procedure Step	Published	04/20/2025 3:26 PM
7252 - Verify RPM start-up	Instruction	Published	04/27/2023 2:23 PM
7253 - RPM will perform a power on self-test (POST) and collect a background radiati...	Remark	Published	05/10/2023 3:14 PM
7282 - 7254 - Confirm network connection; Remark:7255	Procedure Step	Published	04/27/2023 4:15 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
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
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 AC line filter	Frequency	Published	10/11/2023 3:49 PM
Warning	Annotation Type	Published	03/02/2020 3:25 PM
Note	Annotation Type	Published	03/02/2020 3:25 PM
Caution	Annotation Type	Published	03/02/2020 3:24 PM
Technician 2	Skill Level	Published	04/09/2020 1:17 AM
Technician 1	Skill Level	Published	05/14/2020 2:56 PM
Small Phillips (PH1) screwdriver	Tools	Published	05/14/2020 2:48 PM
Small slotted (flathead) screwdriver	Tools	Published	09/11/2020 11:23 AM
Digital multimeter DMM	Replacement Parts	Published	06/29/2023 5:46 PM
Orange/yellow safety vest	Replacement Parts	Published	04/27/2023 6:56 PM
Safety shoes	Replacement Parts	Published	04/27/2023 6:56 PM
Safety glasses if required	Replacement Parts	Published	06/20/2023 4:47 PM
Ladder; 2 meters, 6 feet tall; non-conducting if required	Replacement Parts	Published	07/02/2023 4:48 PM
Orange traffic cones	Replacement Parts	Published	04/27/2023 6:56 PM
AC Line Ground Wire	Image	Published	10/11/2023 2:33 PM
AC Line Filter Black Wire	Image	Published	10/11/2023 2:42 PM
AC White Line Filter	Image	Published	10/11/2023 2:48 PM
AC Line Filter Mounts	Image	Published	10/11/2023 2:57 PM
AC Line Filter Wiring Orientation	Image	Published	10/11/2023 3:08 PM
AC Breaker On	Image	Published	10/11/2023 3:12 PM
AC Circuit Breaker On	Image	Published	10/11/2023 3:15 PM
Measure AC Line Filter Voltage	Image	Published	10/11/2023 3:17 PM
LD-260 Disconnect Switch Power On	Image	Published	05/04/2023 3:37 PM

Read more about RPM AC Line Filter Replacement

RPM Neutron Detector Contaminant Removal

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 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
9584 - 9543 - Neutron Tube Serial Number; Remark:	Procedure Step	Published	10/11/2023 8:02 AM
9543 - Neutron Tube Serial Number	Instruction	Published	10/10/2023 3:49 PM
9585 - 9544 - Record serial number; Remark:9546	Procedure Step	Published	10/11/2023 8:02 AM
9544 - Record serial number	Instruction	Published	10/10/2023 3:49 PM
9546 - Only performed on detector tubes removed from the RPM.	Remark	Published	10/10/2023 4:18 PM
10325 - 10324 - Remove MHV Outer Connector Shell; Remark:	Procedure Step	Published	11/18/2023 2:45 PM
10324 - Remove MHV Outer Connector Shell	Instruction	Published	11/18/2023 2:45 PM
9586 - 9547 - Remove MHV outer connector shell; Remark:9548	Procedure Step	Published	10/11/2023 8:04 AM
9545 - Caution : Oils from skin may contaminate the insulating surfaces. Either lint-free cott...	Annotation	Published	10/10/2023 3:51 PM
9604 - Caution : Avoid tearing or binding the rubber O-ring at the base of the connector shell...	Annotation	Published	10/11/2023 11:09 AM
9547 - Remove MHV outer connector shell	Instruction	Published	10/10/2023 4:19 PM
9548 - Use adjustable wrench. Loosen and unscrew connector shell.	Remark	Published	04/13/2025 6:08 PM
9587 - 9549 - Confirm O-ring is positioned above threaded surface and undamaged; Remark:9550	Procedure Step	Published	10/11/2023 8:05 AM
9549 - Confirm O-ring is positioned above threaded surface and undamaged	Instruction	Published	10/10/2023 8:27 PM
9550 - The O-ring size is 0.79 mm (0.031 in.) cross section by 19.69 mm (0.775 in.) ...	Remark	Published	10/10/2023 8:30 PM
10329 - 10328 - Remove Teflon Insulator Ring; Remark:	Procedure Step	Published	11/18/2023 2:55 PM
10328 - Remove Teflon Insulator Ring	Instruction	Published	11/18/2023 2:55 PM
9588 - 9551 - Remove Teflon insulator ring from ceramic core insulator; Remark:9552	Procedure Step	Published	10/11/2023 8:05 AM
9573 - Caution : Do not bend or twist the high voltage wire lead.	Annotation	Published	10/10/2023 10:12 PM
9551 - Remove Teflon insulator ring from ceramic core insulator	Instruction	Published	10/10/2023 8:38 PM
9552 - Carefully pull Teflon insulator ring along the tube axis	Remark	Published	04/13/2025 6:07 PM
10327 - 10326 - Inspect Neutron Tube Insulator; Remark:	Procedure Step	Published	11/18/2023 2:56 PM
10326 - Inspect Neutron Tube Insulator	Instruction	Published	11/18/2023 2:56 PM
9589 - 9553 - Examine surface condition of neutron tube insulator; Remark:9554	Procedure Step	Published	04/13/2025 6:15 PM
9553 - Examine surface condition of neutron tube insulator	Instruction	Published	04/13/2025 6:07 PM
9554 - Questionable insulator	Remark	Published	10/10/2023 9:37 PM
9555 - Typical insulator	Remark	Published	04/13/2025 6:07 PM
9590 - 9556 - Clean Insulator Core and Ring; Remark:	Procedure Step	Published	10/11/2023 8:12 AM
9556 - Clean Insulator Core and Ring	Instruction	Published	10/10/2023 9:40 PM
9591 - 9557 - Rinse ceramic and Teflon insulators; Remark:9558	Procedure Step	Published	04/13/2025 6:15 PM
9559 - Warning : Use nitrile gloves as sensitive skin may react to the alcohol	Annotation	Published	10/10/2023 9:52 PM
9560 - Caution : For quality check, spray alcohol on a piece of clean glass and let evaporate....	Annotation	Published	10/10/2023 9:54 PM
9557 - Rinse ceramic and Teflon insulators	Instruction	Published	04/13/2025 6:07 PM
9558 - Using a stream spray of alcohol, coat insulators and allow to evaporate.&nbsp...	Remark	Published	10/10/2023 9:49 PM
9592 - 9561 - Wipe insulator; Remark:9562	Procedure Step	Published	10/11/2023 8:14 AM
9561 - Wipe insulator	Instruction	Published	10/10/2023 9:54 PM
9562 - Sweep surfaces with cottom swab, or lint-free cloth soaked in alcohol.	Remark	Published	11/18/2023 3:17 PM
10332 - Continue to sweep and rinse until dust particles no longer appear on the swab...	Remark	Published	11/18/2023 3:18 PM
9593 - 9563 - Inspect for and remove cotton fibers; Remark:9564	Procedure Step	Published	10/11/2023 8:15 AM
9563 - Inspect for and remove cotton fibers	Instruction	Published	10/10/2023 10:01 PM
9564 - Remove cotton fibers deposited in insulator areas using tweezers.	Remark	Published	04/13/2025 6:06 PM
9594 - 9566 - Dry insulators; Remark:9567	Procedure Step	Published	10/11/2023 8:16 AM
9565 - Caution : Heating of the detector tube shall not exceed 100°C.	Annotation	Published	10/10/2023 10:05 PM
9566 - Dry insulators	Instruction	Published	10/10/2023 10:05 PM
9567 - Allow components to air dry.	Remark	Published	10/10/2023 10:06 PM
9595 - 9568 - Clean connector shell; Remark:9569	Procedure Step	Published	10/11/2023 8:16 AM
9568 - Clean connector shell	Instruction	Published	10/10/2023 10:06 PM
9569 - The interior of the narrow-size barrel is the primary contact surface to clea...	Remark	Published	10/10/2023 10:09 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
9597 - 9571 - Confirm O-ring is in place; Remark:9572	Procedure Step	Published	10/11/2023 8:18 AM
9571 - Confirm O-ring is in place	Instruction	Published	10/10/2023 10:10 PM
9572 - No lubrication is necessary.	Remark	Published	10/10/2023 10:12 PM
9598 - 9574 - Reinstall ring insulator; Remark:9575	Procedure Step	Published	04/13/2025 6:15 PM
9574 - Reinstall ring insulator	Instruction	Published	04/13/2025 6:06 PM
9575 - Slide ring insulator over core insulator and high voltage wire lead.	Remark	Published	04/13/2025 6:06 PM
9599 - 9577 - Screw connector shell in place; Remark:9578	Procedure Step	Published	10/11/2023 8:19 AM
9576 - Note : Carefully place threads to avoid cross-threading of shell with the tube wall....	Annotation	Published	10/10/2023 10:17 PM
9577 - Screw connector shell in place	Instruction	Published	10/10/2023 10:17 PM
9578 - Screw connector shell until finger tight.	Remark	Published	04/13/2025 6:05 PM
10331 - 10330 - Test detector tube in an RPM or text fixture when possible; Remark:	Procedure Step	Published	11/18/2023 3:12 PM
10330 - Test detector tube in an RPM or text fixture when possible	Instruction	Published	11/18/2023 3:12 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
hours	Duration	Published	05/26/2022 11:45 AM
Upon neutron detector tube failure	Frequency	Published	10/11/2023 10:33 AM
Caution	Annotation Type	Published	03/02/2020 3:24 PM
Warning	Annotation Type	Published	03/02/2020 3:25 PM
Note	Annotation Type	Published	03/02/2020 3:25 PM
Technician 1	Skill Level	Published	05/14/2020 2:56 PM
Adjustable wrench	Replacement Parts	Published	06/02/2023 10:08 PM
Tweezers	Tools	Published	08/30/2022 4:28 PM
Safety glasses if required	Replacement Parts	Published	06/20/2023 4:47 PM
Neutron Tube SN Location	Image	Published	10/10/2023 4:13 PM
Neutron Tube Serial Number Location	Image	Published	10/10/2023 4:14 PM
Neutron O-ring	Image	Published	10/10/2023 8:30 PM
Neutron Tube Axis	Image	Published	10/10/2023 8:37 PM
Neutron Questionable Insulator	Image	Published	10/10/2023 9:32 PM
Neutron Typical Insulator	Image	Published	10/10/2023 9:34 PM
Wipe Neutron Insulator	Image	Published	10/10/2023 9:56 PM
Neutron Tube Shell	Image	Published	10/10/2023 10:07 PM
Neutron Insulator	Image	Published	10/10/2023 10:14 PM

Read more about RPM Neutron Detector Contaminant Removal

RPM Desiccant Inspection and Replacement

Last Updated: 04/24/2025 1:44 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 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
7928 - 7927 - Establish Initial Conditions; Remark:	Procedure Step	Published	07/12/2023 12:24 AM
7927 - Establish Initial Conditions	Instruction	Published	07/12/2023 12:23 AM
7969 - 7968 - Close lane; Remark:8224	Procedure Step	Published	07/12/2023 12:35 AM
8226 - Warning : Traffic should temporarily be rerouted or halted during this procedure to ens...	Annotation	Published	09/05/2023 1:04 PM
7968 - Close lane	Instruction	Published	07/12/2023 12:35 AM
8224 - Use orange safety (traffic control) cones to setup barriers. Practice establi...	Remark	Published	09/05/2023 11:26 AM
7926 - 7924 - Open RPM door.; Remark:8223	Procedure Step	Published	07/12/2023 12:25 AM
7924 - Open RPM door.	Instruction	Published	07/12/2023 12:25 AM
8223 - Open all doors needed to access components.	Remark	Published	09/05/2023 11:27 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
7964 - 7963 - Inspect Desiccant; Remark:	Procedure Step	Published	07/12/2023 12:44 AM
7963 - Inspect Desiccant	Instruction	Published	10/12/2023 10:01 AM
7959 - 7958 - Inspect existing desiccant bags.; Remark:8233	Procedure Step	Published	07/12/2023 12:47 AM
7958 - Inspect existing desiccant bags.	Instruction	Published	07/12/2023 12:44 AM
8233 - Inspect existing desiccant bags visually and by feel. If the bags are only pa...	Remark	Published	09/05/2023 8:31 PM
7960 - 7956 - Document the current date on the existing bag if no replacement is required.; Remark:	Procedure Step	Published	07/12/2023 12:48 AM
7956 - Document the current date on the existing bag if no replacement is required.	Instruction	Published	07/12/2023 12:48 AM
7961 - 7955 - Inspect interior of RPM cabinets.; Remark:7954	Procedure Step	Published	07/12/2023 12:49 AM
7955 - Inspect interior of RPM cabinets.	Instruction	Published	07/12/2023 12:48 AM
7954 - Inspect cabinets for dirt, debris, and signs of water or rodent/insect infest...	Remark	Published	07/12/2023 12:48 AM
7962 - 7953 - Clean cabinet interior.; Remark:8227	Procedure Step	Published	07/12/2023 12:49 AM
7953 - Clean cabinet interior.	Instruction	Published	07/12/2023 12:49 AM
8227 - Use absorbent cleaning rags if required.	Remark	Published	09/05/2023 1:17 PM
7952 - 7951 - Replace Desiccant; Remark:	Procedure Step	Published	07/12/2023 12:50 AM
7951 - Replace Desiccant	Instruction	Published	10/12/2023 10:02 AM
7947 - 7945 - Remove exhausted desiccant bag(s); Remark:	Procedure Step	Published	07/12/2023 12:51 AM
7945 - Remove exhausted desiccant bag(s)	Instruction	Published	07/12/2023 12:51 AM
7948 - 7944 - Install new desiccant bag(s) in place of removed bag; Remark:	Procedure Step	Published	07/12/2023 12:52 AM
7975 - Caution : Place bags away from electrical connections to avoid damage if desiccant leak...	Annotation	Published	07/21/2023 4:26 PM
7944 - Install new desiccant bag(s) in place of removed bag	Instruction	Published	07/12/2023 12:52 AM
7949 - 7943 - Properly dispose of exhausted desiccant bag; Remark:	Procedure Step	Published	07/12/2023 12:53 AM
7943 - Properly dispose of exhausted desiccant bag	Instruction	Published	07/12/2023 12:52 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
7281 - 7252 - Verify RPM start-up; Remark:7253	Procedure Step	Published	04/20/2025 3:26 PM
7252 - Verify RPM start-up	Instruction	Published	04/27/2023 2:23 PM
7253 - RPM will perform a power on self-test (POST) and collect a background radiati...	Remark	Published	05/10/2023 3:14 PM
7282 - 7254 - Confirm network connection; Remark:7255	Procedure Step	Published	04/27/2023 4:15 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
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
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
Routine Maintenance Procedure	Document Type	Published	03/02/2020 3:31 PM
minutes	Duration	Published	05/26/2022 11:41 AM
Monthly	Frequency	Published	04/01/2020 11:36 AM
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
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 if required	Replacement Parts	Published	07/02/2023 4:48 PM
Traffic control cones or equivalent if required	Replacement Parts	Published	06/20/2023 4:47 PM
Safety glasses if required	Replacement Parts	Published	06/20/2023 4:47 PM
Medium Phillips (PH2) screwdriver	Tools	Published	04/24/2020 4:40 PM
Small Phillips (PH1) screwdriver	Tools	Published	05/14/2020 2:48 PM
Marker for marking the date on the desiccant bag	Replacement Parts	Published	07/12/2023 12:31 AM
LD-260 Disconnect Switch Power Off	Image	Published	04/24/2023 12:49 PM
DET-RPM-RAP-RM01 Desiccant Inspection and Replacement step 2-1	Image	Published	07/12/2023 9:19 AM
LD-260 Disconnect Switch Power On	Image	Published	05/04/2023 3:37 PM

Read more about RPM Desiccant Inspection and Replacement

RPM Cleaning and Inspection

Last Updated: 04/24/2025 1:44 AM

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

Title	Type	Status	Last Updated
1402 - 7927 - Establish Initial Conditions; Remark:	Procedure Step	Published	09/30/2022 1:47 PM
7927 - Establish Initial Conditions	Instruction	Published	07/12/2023 12:23 AM
7579 - 7577 - Brief operators on expected work, duration, anticipated fault indicators, and...; Remark:7576	Procedure Step	Published	06/20/2023 4:37 PM
7577 - Brief operators on expected work, duration, anticipated fault indicators, and...	Instruction	Published	06/20/2023 4:37 PM
7576 - Alarms/faults: Operators should expect to receive tamper (TT) fault indicatio...	Remark	Published	06/20/2023 4:37 PM
7574 - 7572 - Close lane and set up barriers.; Remark:7571	Procedure Step	Published	06/20/2023 4:42 PM
7578 - Warning : Vehicle, and/or pedestrian traffic should temporarily be rerouted or halted d...	Annotation	Published	06/20/2023 4:37 PM
7572 - Close lane and set up barriers.	Instruction	Published	06/20/2023 4:39 PM
7571 - Use orange safety cones or equivalent based on site-specific safety practices...	Remark	Published	06/20/2023 4:42 PM
7588 - 7587 - Clean and inspect RPM cabinet exterior; Remark:	Procedure Step	Published	06/21/2023 9:49 AM
7573 - Note : Perform and document each step in this procedure on a Rapiscan RPM Cleaning a...	Annotation	Published	06/20/2023 4:42 PM
7575 - Reminder : All discrepancies noted during the performance of this procedure should be co...	Annotation	Published	06/20/2023 4:44 PM
7587 - Clean and inspect RPM cabinet exterior	Instruction	Published	06/21/2023 9:48 AM
7585 - 7583 - Inspect exterior for dents, scratches, rust, and bare metal; Remark:	Procedure Step	Published	06/21/2023 9:50 AM
7583 - Inspect exterior for dents, scratches, rust, and bare metal	Instruction	Published	06/21/2023 9:49 AM
7586 - 7582 - Lubricate hinges and keyholes; Remark:7581	Procedure Step	Published	06/21/2023 9:51 AM
7584 - Note : If rust or bare metal is found, take corrective action. See SLD_Technical Ser...	Annotation	Published	06/21/2023 9:50 AM
7582 - Lubricate hinges and keyholes	Instruction	Published	06/21/2023 9:51 AM
7581 - Use of a dry graphite lubricant is recommended.	Remark	Published	06/21/2023 9:51 AM
7903 - 7902 - Inspect RPM and pedestal bolts and flanges; Remark:7901	Procedure Step	Published	07/11/2023 10:57 PM
7902 - Inspect RPM and pedestal bolts and flanges	Instruction	Published	07/11/2023 10:56 PM
7901 - If loose, tighten the bolts and flanges	Remark	Published	07/11/2023 10:57 PM
7900 - 7898 - Clean and inspect RPM cabinet interior; Remark:	Procedure Step	Published	07/11/2023 11:00 PM
7899 - Warning : If standing water is present in the RPM cabinet interior, implement site-spec...	Annotation	Published	07/11/2023 11:00 PM
7898 - Clean and inspect RPM cabinet interior	Instruction	Published	07/11/2023 11:00 PM
7894 - 7893 - Inspect interior of RPM cabinets for dirt, debris, and signs of water; Remark:	Procedure Step	Published	07/11/2023 11:02 PM
7893 - Inspect interior of RPM cabinets for dirt, debris, and signs of water	Instruction	Published	07/11/2023 11:01 PM
7895 - 7892 - Inspect for cables and wires in neat condition and tied down; Remark:	Procedure Step	Published	07/11/2023 11:03 PM
7892 - Inspect for cables and wires in neat condition and tied down	Instruction	Published	07/11/2023 11:02 PM
7896 - 7891 - Inspect desiccant and replace if required; Remark:7890	Procedure Step	Published	07/11/2023 11:03 PM
7891 - Inspect desiccant and replace if required	Instruction	Published	07/11/2023 11:03 PM
7890 - Per DET-RPM-RAP-RM01.	Remark	Published	07/11/2023 11:03 PM
7897 - 7889 - Inspect battery, cables, and connectors for corrosion and damage; Remark:7888	Procedure Step	Published	07/11/2023 11:04 PM
7889 - Inspect battery, cables, and connectors for corrosion and damage	Instruction	Published	07/11/2023 11:04 PM
7888 - Check for swelling of the battery case and corrosion of battery connections; ...	Remark	Published	07/11/2023 11:04 PM
7887 - 7886 - Inspect RPM cabinet for moisture intrusion; Remark:	Procedure Step	Published	07/11/2023 11:06 PM
7886 - Inspect RPM cabinet for moisture intrusion	Instruction	Published	07/11/2023 11:06 PM
7885 - 7884 - Inspect RPM penetrations for integrity and moisture intrusion such as localiz...; Remark:7883	Procedure Step	Published	07/11/2023 11:20 PM
7884 - Inspect RPM penetrations for integrity and moisture intrusion such as localiz...	Instruction	Published	07/11/2023 11:09 PM
7883 - Panel 1 Check that the cabinet penetrations for the lights, speaker, a...	Remark	Published	07/11/2023 11:20 PM
7921 - 7920 - Inspect RPM door seals for leakage; Remark:7919	Procedure Step	Published	07/11/2023 11:23 PM
7920 - Inspect RPM door seals for leakage	Instruction	Published	07/11/2023 11:23 PM
7919 - Localized deposit of dust on the inner side of the RPM door is indicative of ...	Remark	Published	07/11/2023 11:23 PM
7922 - 7918 - Inspect RPM internal surfaces and components for signs of rust and/or mildew; Remark:	Procedure Step	Published	07/11/2023 11:24 PM
7918 - Inspect RPM internal surfaces and components for signs of rust and/or mildew	Instruction	Published	07/11/2023 11:24 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
7911 - 7910 - Close doors and lock cabinets; Remark:	Procedure Step	Published	07/11/2023 11:26 PM
7910 - Close doors and lock cabinets	Instruction	Published	07/11/2023 11:26 PM
7912 - 7909 - Dispose of waste materials; Remark:	Procedure Step	Published	07/11/2023 11:27 PM
7909 - Dispose of waste materials	Instruction	Published	07/11/2023 11:27 PM
7913 - 7908 - Verify RPM is communicating with central alarm station and that all faults ar...; Remark:	Procedure Step	Published	07/11/2023 11:27 PM
7908 - Verify RPM is communicating with central alarm station and that all faults ar...	Instruction	Published	07/11/2023 11:27 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
Routine Maintenance Procedure	Document Type	Published	03/02/2020 3:31 PM
30 minutes	Duration	Published	04/01/2020 11:35 AM
Quarterly	Frequency	Published	08/02/2020 10:39 PM
Warning	Annotation Type	Published	03/02/2020 3:25 PM
Note	Annotation Type	Published	03/02/2020 3:25 PM
Reminder	Annotation Type	Published	04/08/2020 12:21 PM
Technician 1	Skill Level	Published	05/14/2020 2:56 PM
Keys for RPM	Replacement Parts	Published	06/20/2023 4:47 PM
Reflective safety vest if required	Replacement Parts	Published	06/20/2023 4:47 PM
Safety glasses if required	Replacement Parts	Published	06/20/2023 4:47 PM
Ladder if required	Replacement Parts	Published	06/20/2023 4:47 PM
Traffic control cones or equivalent if required	Replacement Parts	Published	06/20/2023 4:47 PM
RPM panel inspect for penetrations or leaking	Image	Published	11/17/2023 8:13 AM

Read more about RPM Cleaning and Inspection

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