RPM Tamper Switch Alignment, Replacement, and Repair

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
9339 - 1401 - Establish Initial Conditions; Remark:	Procedure Step	Published	10/03/2023 9:55 AM
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
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
9333 - 9237 - Verify Alignment of Tamper Switch and Magnet; Remark:	Procedure Step	Published	10/03/2023 9:58 AM
9291 - Note : Depending on the age and model of RPM, the tamper switch may be held in place by...	Annotation	Published	10/03/2023 10:38 AM
9292 - Note : The troubleshooting process should determine if the reed switch is bad, or if th...	Annotation	Published	10/03/2023 10:36 AM
9237 - Verify Alignment of Tamper Switch and Magnet	Instruction	Published	10/03/2023 12:01 PM
9329 - 9238 - Measure distance from inside edge of cabinet to edge of tamper switch; Remark:9296	Procedure Step	Published	10/03/2023 9:59 AM
9238 - Measure distance from inside edge of cabinet to edge of tamper switch	Instruction	Published	10/03/2023 11:59 AM
9296 - There is no predetermined position of a tamper switch. The switch may be located...	Remark	Published	10/03/2023 1:04 PM
9330 - 9239 - Measure distance from inside edge of door to edge of magnet; Remark:9297	Procedure Step	Published	10/03/2023 9:59 AM
9239 - Measure distance from inside edge of door to edge of magnet	Instruction	Published	10/03/2023 11:58 AM
9297 - The location of the magnet is determined by the location of the tamper switch.	Remark	Published	10/03/2023 1:03 PM
9331 - 9240 - Verify alignment of tamper switch and mag...; Remark:9298	Procedure Step	Published	10/03/2023 10:00 AM
9240 - Verify alignment of tamper switch and magnet	Instruction	Published	10/03/2023 11:58 AM
9298 - The alignment of the magnet and the tamper switch need to be within 6 mm (1/4 in...	Remark	Published	10/03/2023 1:03 PM
9332 - 9241 - Relocate tamper switch or magnet to corre...; Remark:9299	Procedure Step	Published	10/03/2023 10:00 AM
9293 - Note : Consider relocating the tamper switch, rather than the magnet, to minimize numbe...	Annotation	Published	10/03/2023 10:36 AM
9294 - Caution : Wear safety glasses as appropriate.	Annotation	Published	10/03/2023 10:35 AM
9241 - Relocate tamper switch or magnet to correct any misalignment, if necessary	Instruction	Published	10/03/2023 11:58 AM
9299 - Drill and tap new holes that align the tamper switch to the magnet using a porta...	Remark	Published	10/03/2023 1:02 PM
9328 - 9242 - Tamper Switch Replacement and Wiring Connection; Remark:	Procedure Step	Published	10/03/2023 10:01 AM
9242 - Tamper Switch Replacement and Wiring Connection	Instruction	Published	10/03/2023 11:57 AM
9322 - 9304 - Remove two screws of tamper switch using a medium Phillips screwdriver; Remark:9524	Procedure Step	Published	10/03/2023 10:01 AM
9304 - Remove two screws of tamper switch using a medium Phillips screwdriver	Instruction	Published	10/03/2023 11:56 AM
9524 -	Remark	Published	10/04/2023 11:21 AM
9323 - 9305 - Install new tamper switch with two screws...; Remark:9300	Procedure Step	Published	10/03/2023 10:01 AM
9305 - Install new tamper switch with two screws using a medium Phillips screwdriver	Instruction	Published	10/03/2023 11:56 AM
9300 - Reseal holes with RTV following tamper switch installation.	Remark	Published	10/03/2023 1:02 PM
9324 - 9306 - Determine if replacement terminal ends match existing terminal ends; Remark:9301	Procedure Step	Published	10/03/2023 10:02 AM
9306 - Determine if replacement terminal ends match existing terminal ends	Instruction	Published	10/03/2023 11:55 AM
9301 - If the replacement terminal ends do not match the existing terminal ends, it may...	Remark	Published	10/03/2023 1:01 PM
9325 - 9307 - Remove ¼ inch (6mm) of insulation from tamper switch wire end using wire stripp...; Remark:9523	Procedure Step	Published	10/03/2023 10:02 AM
9307 - Remove ¼ inch (6mm) of insulation from tamper switch wire end using wire stripp...	Instruction	Published	10/03/2023 11:55 AM
9523 -	Remark	Published	10/04/2023 11:23 AM
9326 - 9308 - Insert tamper switch wire into terminal end and crimp using crimping tool; Remark:9522	Procedure Step	Published	10/03/2023 10:02 AM
9308 - Insert tamper switch wire into terminal end and crimp using crimping tool	Instruction	Published	10/03/2023 11:54 AM
9522 -	Remark	Published	10/04/2023 11:24 AM
9327 - 9309 - Connect tamper switch to existing wiring using terminal end connectors; Remark:9521	Procedure Step	Published	10/03/2023 10:02 AM
9309 - Connect tamper switch to existing wiring using terminal end connectors	Instruction	Published	10/03/2023 10:42 AM
9521 -	Remark	Published	10/04/2023 11:25 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
9318 - 9312 - Verify Control pillar tamper switch is operational; Remark:9302	Procedure Step	Published	10/03/2023 10:04 AM
9312 - Verify Control pillar tamper switch is operational	Instruction	Published	10/03/2023 10:41 AM
9302 - Open and close each door of the Control pillar, ensuring that the LED fault ligh...	Remark	Published	10/03/2023 1:01 PM
9319 - 9313 - Verify Auxiliary pillar tamper switch is ...; Remark:9303	Procedure Step	Published	10/03/2023 10:04 AM
9313 - Verify Auxiliary pillar tamper switch is operational	Instruction	Published	10/03/2023 10:40 AM
9303 - Open and close each door of the Auxiliary pillar, ensuring that the LED fault li...	Remark	Published	10/03/2023 1:01 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
1 hour	Duration	Published	04/01/2020 11:35 AM
Upon failure of tamper switch.	Frequency	Published	10/03/2023 10:08 AM
Upon intermittent tamper fault indicator.	Frequency	Published	10/03/2023 10:08 AM
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 1	Skill Level	Published	05/14/2020 2:56 PM
Medium Phillips (PH2) screwdriver bit	Tools	Published	07/01/2022 11:18 AM
Measuring Tape	Tools	Published	10/03/2023 10:11 AM
Wire crimping tool	Tools	Published	09/25/2023 4:20 PM
Wire stripper	Tools	Published	09/25/2023 4:20 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
Portable drill (if necessary)	Tools	Published	10/03/2023 10:11 AM
Mounting screw size (M3 x .5 metric or 4-40 UNC) and associated drill bit of matching size	Tools	Published	10/03/2023 10:12 AM
Tap- metric or standard (if necessary)	Tools	Published	10/03/2023 10:13 AM
Safety glasses if applicable	Replacement Parts	Published	06/29/2023 5:46 PM
LD-260 Disconnect Switch Power Off	Image	Published	04/24/2023 12:49 PM
Measure distance from inside edge of cabinet to edge of tamper switch	Image	Published	10/04/2023 11:10 AM
Measure distance from inside edge of door to edge of magnet	Image	Published	10/04/2023 11:12 AM
Remove two screws of tamper switch using a medium Phillips screwdriver	Image	Published	10/04/2023 11:14 AM
Determine if replacement terminal ends match existing terminal ends	Image	Published	10/04/2023 11:13 AM
Remove ¼ inch (6mm) of insulation from tamper switch wire end using wire stripper	Image	Published	10/04/2023 11:15 AM
Insert tamper switch wire into terminal end and crimp using crimping tool	Image	Published	10/04/2023 11:15 AM
Connect tamper switch to existing wiring using terminal end connectors	Image	Published	10/04/2023 11:16 AM
LD-260 Disconnect Switch Power On	Image	Published	05/04/2023 3:37 PM

DET-RPM-RAP-CM31

Replace, align, or repair a magnetic tamper switch

Equipment Hierarchy

Rapiscan CM-267 Conveyor Monitor

Rapiscan PM-700 Pedestrian Monitor

Rapiscan TM-850 Rail Monitor

Rapiscan VM-250 Vehicle Monitor

Frequency

Upon failure of tamper switch.

Upon intermittent tamper fault indicator.

Technician Level

Technician 1

x 1

Duration

Time increment

1 hour

Notes

Duration: 15 to 60 minutes

Length of time

Tools Required

Medium Phillips (PH2) screwdriver bit

Measuring Tape

Wire crimping tool

Wire stripper

Ladder; 2 meters, 6 feet tall; non-conducting if required

Orange traffic cones

Portable drill (if necessary)

Mounting screw size (M3 x .5 metric or 4-40 UNC) and associated drill bit of matching size

Tap- metric or standard (if necessary)

Safety glasses if applicable

Materials Required

Tamper Switch (part#7818A)

18-gauge male and female terminals

RTV sealant (if necessary)

Originators

Mike Papp

Originating Organization

Rapiscan System

Approver

Craig Stinson

Safety Concerns

Traffic

Ladder

Additional Retest Requirements Information

Open and close each door and confirm that the fault light turns on with a door opened and off with the door closed

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

Step 1

Main Step

9339 - 1401 - Establish Initial Conditions; Remark:

Step 00

1401 - Establish Initial Conditions

Establish Initial Conditions

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.

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.

Step 2

Main Step

9333 - 9237 - Verify Alignment of Tamper Switch and Magnet; Remark:

9291 - Note : Depending on the age and model of RPM, the tamper switch may be held in place by...

Type

Note

Depending on the age and model of RPM, the tamper switch may be held in place by screws or some type of adhesive including double sided sticky tape, which is not recommended. The use of an industrial grade sealant or adhesive is acceptable for this procedure if care is taken when positioning and installing new switch.

9292 - Note : The troubleshooting process should determine if the reed switch is bad, or if th...

Type

Note

The troubleshooting process should determine if the reed switch is bad, or if the reed switch or magnet simply need to be repositioned.

Step 00

9237 - Verify Alignment of Tamper Switch and Magnet

Verify Alignment of Tamper Switch and Magnet

9329 - 9238 - Measure distance from inside edge of cabinet to edge of tamper switch; Remark:9296

Step 00

9238 - Measure distance from inside edge of cabinet to edge of tamper switch

Measure distance from inside edge of cabinet to edge of tamper switch

9296 - There is no predetermined position of a tamper switch. The switch may be located...

There is no predetermined position of a tamper switch. The switch may be located anywhere along the door opening.

Measure distance from inside edge of cabinet to edge of tamper switch

9330 - 9239 - Measure distance from inside edge of door to edge of magnet; Remark:9297

Step 00

9239 - Measure distance from inside edge of door to edge of magnet

Measure distance from inside edge of door to edge of magnet

9297 - The location of the magnet is determined by the location of the tamper switch.

The location of the magnet is determined by the location of the tamper switch.

9331 - 9240 - Verify alignment of tamper switch and mag...; Remark:9298

Step 00

9240 - Verify alignment of tamper switch and magnet

Verify alignment of tamper switch and magnet

9298 - The alignment of the magnet and the tamper switch need to be within 6 mm (1/4 in...

The alignment of the magnet and the tamper switch need to be within 6 mm (1/4 inch). The tamper light will not shut off if the switch and magnet are not aligned properly.