RPM SCA-774 Single Channel Analyzer Board 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 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
7478 - 1401 - Establish Initial Conditions; Remark:
Procedure Step
Published
09/01/2023 7:48 PM
1401 - Establish Initial Conditions
Instruction
Published
09/30/2022 3:14 PM
7823 - 7592 - Inform system operators; Remark:
Procedure Step
Published
07/07/2023 10:54 PM
7592 - Inform system operators
Instruction
Published
06/29/2023 3:20 PM
7824 - 7676 - Brief system operators on expected work, duration, anticipated alarms, and fa...; Remark:7677
Procedure Step
Published
07/07/2023 10:55 PM
7676 - Brief system operators on expected work, duration, anticipated alarms, and fa...
Instruction
Published
07/01/2023 11:39 PM
7677 - Operators should expect numerous fault indications and alarms during procedur...
Remark
Published
07/02/2023 3:05 AM
7825 - 7594 - Close lane and set up barriers to establish a safety watch; Remark:7595
Procedure Step
Published
07/07/2023 10:57 PM
7678 - Warning : Traffic should temporarily be rerouted or halted during conduction of this pr...
Annotation
Published
07/03/2023 10:23 AM
7594 - Close lane and set up barriers to establish a safety watch
Instruction
Published
06/29/2023 3:28 PM
7595 - Use orange safety (traffic control) cones or equivalent per site-specific saf...
Remark
Published
06/29/2023 3:33 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
7827 - 7791 - Remove SCA-774 Board; Remark:
Procedure Step
Published
07/07/2023 10:59 PM
7791 - Remove SCA-774 Board
Instruction
Published
07/07/2023 2:14 PM
7828 - 7793 - Disconnect only signal (BNC) cables from SCA-775 module; Remark:7794
Procedure Step
Published
07/07/2023 11:00 PM
7792 - Note : It is good engineering practice to ensure all cables and connectors are label...
Annotation
Published
07/07/2023 2:17 PM
7793 - Disconnect only signal (BNC) cables from SCA-775 module
Instruction
Published
07/07/2023 2:18 PM
7794 - Remove Signal BNC Cables
Remark
Published
07/07/2023 2:22 PM
7829 - 7796 - Loosen screws in each corner (4) using medium Philips screwdriver and open SC...; Remark:7797
Procedure Step
Published
07/07/2023 11:02 PM
7795 - Caution : If you rotate cover of the SCA-775 down without first pulling out from the bo...
Annotation
Published
07/07/2023 2:23 PM
7796 - Loosen screws in each corner (4) using medium Philips screwdriver and open SC...
Instruction
Published
07/07/2023 2:24 PM
7797 - Normally the cover screws are captured and should not come out of cover. ...
Remark
Published
07/07/2023 2:34 PM
9467 - To prevent breaking the hinge on the module / door, once the retainer screws ...
Remark
Published
10/03/2023 3:32 PM
7830 - 7799 - Disconnect 4 wiring harness assembly/connectors (J6, J8, J10, J11) from SCA-7...; Remark:7800
Procedure Step
Published
07/07/2023 11:04 PM
7798 - Caution : Never remove connectors by pulling on wires.
Annotation
Published
07/07/2023 5:41 PM
7799 - Disconnect 4 wiring harness assembly/connectors (J6, J8, J10, J11) from SCA-7...
Instruction
Published
07/07/2023 5:44 PM
7800 - J8 and J11 should be labeled; write J6 and J10 on the appropriate connector i...
Remark
Published
07/07/2023 9:27 PM
7831 - 7801 - Remove 4 screws at corners of board; Remark:7802
Procedure Step
Published
07/07/2023 11:05 PM
7801 - Remove 4 screws at corners of board
Instruction
Published
07/07/2023 9:28 PM
7802 - Do not lose the screws. They are re-used to secure the SCA-774 board.
Remark
Published
07/07/2023 9:31 PM
7832 - 7803 - Remove board from SCA-775 module; Remark:7804
Procedure Step
Published
07/07/2023 11:06 PM
7803 - Remove board from SCA-775 module
Instruction
Published
07/07/2023 9:32 PM
7804 - BNC connectors are attached to the SCA-774 board and easily slide down then o...
Remark
Published
07/07/2023 9:34 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
7833 - 7805 - Install New SCA-774; Remark:
Procedure Step
Published
07/07/2023 11:06 PM
7805 - Install New SCA-774
Instruction
Published
07/07/2023 9:35 PM
7834 - 7806 - Install new SCA-774 board; Remark:7807
Procedure Step
Published
07/07/2023 11:07 PM
7806 - Install new SCA-774 board
Instruction
Published
07/07/2023 9:36 PM
7807 - Use screws previously removed.
Remark
Published
07/07/2023 9:38 PM
7835 - 7809 - Reconnect 4 wiring harness assembly/connectors (J6, J8, J10, J11) from SCA-77...; Remark:7810
Procedure Step
Published
10/11/2023 7:37 PM
7808 - Caution : Proper connection of wiring harnesses is critical.
Annotation
Published
07/07/2023 9:39 PM
7809 - Reconnect 4 wiring harness assembly/connectors (J6, J8, J10, J11) from SCA-77...
Instruction
Published
07/07/2023 9:42 PM
7810 - Ensure all pins are engaged. It is easy to install the connectors one pin off...
Remark
Published
07/07/2023 9:44 PM
7836 - 7813 - Reconnect BNC connectors on top of SCA-775 module; Remark:
Procedure Step
Published
07/07/2023 11:42 PM
7811 - Caution : Proper connection of cables is critical.
Annotation
Published
07/07/2023 9:48 PM
7813 - Reconnect BNC connectors on top of SCA-775 module
Instruction
Published
07/07/2023 9:49 PM
7837 - 7814 - Close SCA-775 module cover and tighten 4 screws; Remark:7815
Procedure Step
Published
07/07/2023 11:09 PM
7814 - Close SCA-775 module cover and tighten 4 screws
Instruction
Published
07/07/2023 9:50 PM
7815 - If the follow-on alignment and functional compliance test procedures are to b...
Remark
Published
07/07/2023 9:52 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
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
7840 - 7816 - Perform electronic alignment; Remark:7817
Procedure Step
Published
07/07/2023 11:12 PM
7816 - Perform electronic alignment
Instruction
Published
07/07/2023 9:55 PM
7817 - DET-RPM-RAP-CM01, RPM Electronic Alignment Procedure.
Remark
Published
04/13/2025 5:55 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 SCA-774 board failure
Frequency
Published
07/07/2023 11:22 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
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
safety glasses
Replacement Parts
Published
07/02/2023 4:48 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
Phillips screwdriver, small
Replacement Parts
Published
07/07/2023 11:39 PM
Phillips screwdriver, medium
Replacement Parts
Published
07/07/2023 11:39 PM
LD-260 Disconnect Switch Power Off
படம்
Published
04/24/2023 12:49 PM
Disconnect Signal BNC Cables
படம்
Published
07/07/2023 2:20 PM
Remove Six (6) Cover Screws
படம்
Published
07/07/2023 2:27 PM
Cover screws are captured
படம்
Published
10/04/2023 3:01 PM
To prevent breaking the hinge
படம்
Published
10/04/2023 3:02 PM
SCA-774 Screws at Corner
படம்
Published
07/07/2023 9:30 PM
LD-260 Disconnect Switch Power On
படம்
Published
05/04/2023 3:37 PM