RPM HHV-448/458 High Voltage 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 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
9508 - 1401 - Establish Initial Conditions; Remark:
Procedure Step
Published
10/03/2023 3:58 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
10312 - 7967 - Close lane and set up barriers or establish a safety watch; Remark:7595
Procedure Step
Published
11/17/2023 8:47 AM
7967 - Close lane and set up barriers or establish a safety watch
Instruction
Published
07/12/2023 12:41 AM
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
9646 - 9645 - Prepare for Faulty High Voltage Board Removal; Remark:
Procedure Step
Published
04/13/2025 6:15 PM
9645 - Prepare for Faulty High Voltage Board Removal
Instruction
Published
04/13/2025 6:02 PM
7852 - 7849 - Disconnect two cables on bottom of SCA-775 module; Remark:7851
Procedure Step
Published
07/08/2023 11:51 PM
7849 - Disconnect two cables on bottom of SCA-775 module
Instruction
Published
07/08/2023 11:46 PM
7851 - Connectors are disconnected by turning lock ring multiple times and then pull...
Remark
Published
07/08/2023 11:50 PM
7855 - 7853 - Disconnect all BNC and miniature high voltage (MHV) cables on top of SCA-775 ...; Remark:7854
Procedure Step
Published
07/08/2023 11:59 PM
7792 - Note : It is good engineering practice to ensure all cables and connectors are label...
Annotation
Published
07/07/2023 2:17 PM
7853 - Disconnect all BNC and miniature high voltage (MHV) cables on top of SCA-775 ...
Instruction
Published
07/08/2023 11:56 PM
7854 - BNC Connectors
Remark
Published
07/08/2023 11:58 PM
9709 - 9435 - Loosen screws in each corner (4) using a medium Philips screwdriver and open ...; Remark:9708
Procedure Step
Published
10/11/2023 10:48 PM
9435 - Loosen screws in each corner (4) using a medium Philips screwdriver and open ...
Instruction
Published
10/03/2023 2:00 PM
9708 - Normally the cover screws are “captured” and should not come out of the c...
Remark
Published
10/11/2023 10:47 PM
7861 - 7859 - Remove 4 mounting screws; Remark:7860
Procedure Step
Published
07/09/2023 12:12 AM
7858 - Note : Most replaceable bit type screwdrivers will be too large in diameter to fit i...
Annotation
Published
07/09/2023 12:06 AM
7859 - Remove 4 mounting screws
Instruction
Published
07/09/2023 12:07 AM
7860 - The screws to be removed are located in the bottom of the irregularly shaped ...
Remark
Published
07/09/2023 12:11 AM
7863 - 7862 - Remove SCA-775 module from back plate; Remark:
Procedure Step
Published
07/09/2023 12:15 AM
7862 - Remove SCA-775 module from back plate
Instruction
Published
07/09/2023 12:14 AM
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
9658 - 9647 - Remove SCA-774 board from SCA-775 module; Remark:9648
Procedure Step
Published
10/11/2023 8:15 PM
9647 - Remove SCA-774 board from SCA-775 module
Instruction
Published
10/11/2023 7:55 PM
9648 - BNC connectors are attached to the SCA-774 board and easily slide down then o...
Remark
Published
10/11/2023 7:58 PM
9657 - 9650 - Uninstall Faulty High Voltage Board; Remark:
Procedure Step
Published
10/11/2023 8:14 PM
9649 - Note : If spare SCA-775 boxes or mounting plates are available it is advisable to re...
Annotation
Published
10/11/2023 8:00 PM
9650 - Uninstall Faulty High Voltage Board
Instruction
Published
10/11/2023 8:01 PM
9653 - 9651 - Remove four corners screws from high voltage plate to remove from box; Remark:9652
Procedure Step
Published
10/11/2023 8:07 PM
9651 - Remove four corners screws from high voltage plate to remove from box
Instruction
Published
10/11/2023 8:05 PM
9652 - High voltage plate
Remark
Published
10/11/2023 8:06 PM
9656 - 9654 - Disconnect wiring harness from faulty board(s); Remark:9655
Procedure Step
Published
10/11/2023 8:13 PM
9654 - Disconnect wiring harness from faulty board(s)
Instruction
Published
10/11/2023 8:09 PM
9655 - Faulty High Voltage Board
Remark
Published
10/11/2023 8:11 PM
9661 - 9659 - Remove faulty board; Remark:9660
Procedure Step
Published
10/11/2023 8:19 PM
9659 - Remove faulty board
Instruction
Published
10/11/2023 8:15 PM
9660 - Using a small Phillips screwdriver, remove screws at four corners.
Remark
Published
04/13/2025 6:02 PM
9707 - 9705 - Cut ground wire (black) and high-voltage wires (orange) as close to bad board...; Remark:9706
Procedure Step
Published
10/11/2023 10:39 PM
9705 - Cut ground wire (black) and high-voltage wires (orange) as close to bad board...
Instruction
Published
10/11/2023 10:37 PM
9706 -
Remark
Published
10/11/2023 10:38 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
9696 - 9690 - Install New High Voltage Board (HHV-448 or HHV-458); Remark:
Procedure Step
Published
10/11/2023 9:31 PM
9690 - Install New High Voltage Board (HHV-448 or HHV-458)
Instruction
Published
10/11/2023 9:20 PM
9697 - 9691 - Strip approximately 3/8” of insulation off ground and high voltage wire fro...; Remark:
Procedure Step
Published
10/11/2023 9:32 PM
9691 - Strip approximately 3/8” of insulation off ground and high voltage wire fro...
Instruction
Published
10/11/2023 9:21 PM
9698 - 9692 - Cut “tinned” ends off of new high voltage board wires and strip approxima...; Remark:9693
Procedure Step
Published
10/11/2023 9:32 PM
9692 - Cut “tinned” ends off of new high voltage board wires and strip approxima...
Instruction
Published
10/11/2023 9:22 PM
9693 - Do not twist wires by hand
Remark
Published
10/11/2023 9:25 PM
9699 - 9694 - Slip sealed solder butt splice connector over one wire; Remark:9695
Procedure Step
Published
10/11/2023 9:33 PM
9694 - Slip sealed solder butt splice connector over one wire
Instruction
Published
10/11/2023 9:29 PM
9695 - Match wires and splice (intermingle) wire strands to form butt joint.
Remark
Published
10/11/2023 9:30 PM
9700 - 9689 - Place splice connector so solder ferrule is in center of splice; Remark:9688
Procedure Step
Published
10/11/2023 9:34 PM
9689 - Place splice connector so solder ferrule is in center of splice
Instruction
Published
10/11/2023 9:19 PM
9688 - Splice Connection
Remark
Published
10/11/2023 9:18 PM
9701 - 9686 - Heat with heat gun; Remark:9685
Procedure Step
Published
10/11/2023 9:35 PM
9687 - Caution : Do not overheat the wire and/or circuit boards when using heat gun. Do not po...
Annotation
Published
10/11/2023 9:16 PM
9686 - Heat with heat gun
Instruction
Published
10/11/2023 9:15 PM
9685 - Starting at center, gently distribute heat to ends until the inner tube is fu...
Remark
Published
10/11/2023 9:14 PM
9702 - 9683 - Wait for wires to cool; Remark:9684
Procedure Step
Published
10/11/2023 9:36 PM
9683 - Wait for wires to cool
Instruction
Published
10/11/2023 9:10 PM
9684 - Pull on wires to verify good connection.
Remark
Published
10/11/2023 9:11 PM
9703 - 9682 - Repeat steps 4-2 through 4-5 for each connection; Remark:
Procedure Step
Published
10/11/2023 9:36 PM
9682 - Repeat steps 4-2 through 4-5 for each connection
Instruction
Published
10/11/2023 9:10 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
9681 - 9675 - Reinstall 4 screws to mount board back to 4 posts; Remark:9676
Procedure Step
Published
10/11/2023 9:07 PM
9675 - Reinstall 4 screws to mount board back to 4 posts
Instruction
Published
10/11/2023 9:01 PM
9676 - Mounting High Voltage Board
Remark
Published
10/11/2023 9:02 PM
9680 - 9673 - Reattach wiring harness; Remark:9674
Procedure Step
Published
10/11/2023 9:06 PM
7808 - Caution : Proper connection of wiring harnesses is critical.
Annotation
Published
07/07/2023 9:39 PM
9673 - Reattach wiring harness
Instruction
Published
10/11/2023 8:59 PM
9674 - Reattach wiring harness
Remark
Published
10/11/2023 9:00 PM
9679 - 9671 - Reinstall plate on SCA-775 module; Remark:9672
Procedure Step
Published
10/11/2023 9:05 PM
9671 - Reinstall plate on SCA-775 module
Instruction
Published
10/11/2023 8:56 PM
9672 - SCA-775 Plate
Remark
Published
10/11/2023 8:57 PM
9678 - 9670 - Ensure all connectors are securely mated to board; Remark:
Procedure Step
Published
10/11/2023 9:04 PM
9670 - Ensure all connectors are securely mated to board
Instruction
Published
10/11/2023 8:48 PM
9677 - 9668 - Secure SCA-774 board; Remark:9669
Procedure Step
Published
10/11/2023 9:03 PM
9668 - Secure SCA-774 board
Instruction
Published
10/11/2023 8:47 PM
9669 - Use screws previously removed.
Remark
Published
10/11/2023 8:48 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
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
9667 - 9665 - Reinstall 4 corner screws to mount SCA-775 module; Remark:9666
Procedure Step
Published
10/11/2023 8:30 PM
9665 - Reinstall 4 corner screws to mount SCA-775 module
Instruction
Published
10/11/2023 8:28 PM
9666 - Install all screws loosely at first to facilitate easy mounting, then careful...
Remark
Published
10/11/2023 8:30 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
7879 - 7878 - Reattach two connectors on bottom of SCA-775 module; Remark:7870
Procedure Step
Published
07/09/2023 1:16 AM
7878 - Reattach two connectors on bottom of SCA-775 module
Instruction
Published
07/09/2023 1:15 AM
7870 - The cable connectors are different sizes and keyed so they cannot be reinstal...
Remark
Published
07/09/2023 12:26 AM
8874 - 7250 - Power on RPM; Remark:7251
Procedure Step
Published
09/25/2023 2:12 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
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
9664 - 9662 - Navigate to SHOW COUNTS on SC-770 to verify gamma counts are...; Remark:9663
Procedure Step
Published
10/11/2023 8:27 PM
9662 - Navigate to SHOW COUNTS on SC-770 to verify gamma counts are...
Instruction
Published
10/11/2023 8:23 PM
9663 - Enter Program Mode by pressing "0" Press 01234#
Remark
Published
04/13/2025 6:01 PM
8580 - 8548 - Navigate to SHOW COUNTS for neutron channels; Remark:8549
Procedure Step
Published
09/17/2023 10:57 PM
8548 - Navigate to SHOW COUNTS for neutron channels
Instruction
Published
09/17/2023 9:22 PM
8549 - On SC-770, press 01234# Then, press 2:
Remark
Published
09/17/2023 9:26 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
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 HHV-448 and/or HHV-458
Frequency
Published
10/11/2023 9:59 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
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
Replacement Parts
Published
07/02/2023 4:48 PM
Medium Phillips (PH2) screwdriver
Tools
Published
04/24/2020 4:40 PM
Phillips screwdriver, small with 80 to 100 mm long shaft
Replacement Parts
Published
07/09/2023 1:06 AM
Small needle nose pliers
Tools
Published
11/21/2022 9:06 AM
Wire Crimpers
Tools
Published
11/03/2022 4:56 PM
Wire stripper
Tools
Published
09/25/2023 4:20 PM
Heat gun
Replacement Parts
Published
10/11/2023 10:10 PM
4 ELA5-16 sealed solder butt splices
Tools
Published
11/17/2023 8:38 AM
LD-260 Disconnect Switch Power Off
படம்
Published
04/24/2023 12:49 PM
SCA-775 Two Connectors
படம்
Published
07/08/2023 11:48 PM
SCA-775 BNC Connectors
படம்
Published
07/08/2023 11:57 PM
SCA-775 Screw Sockets
படம்
Published
07/09/2023 12:09 AM
High Voltage Plate on SCA-775 Box
படம்
Published
10/11/2023 8:04 PM
Faulty High Voltage Board
படம்
Published
10/11/2023 8:11 PM
Remove Faulty High Voltage Board
படம்
Published
10/11/2023 8:17 PM
Incorrect Way of Splicing Wires
படம்
Published
10/11/2023 9:24 PM
Match Wires When Soldering
படம்
Published
10/11/2023 9:28 PM
Slip Solder Connector
படம்
Published
10/11/2023 9:28 PM
Splice Connection
படம்
Published
10/11/2023 9:18 PM
Heat Solder Connection with Heat Gun
படம்
Published
10/11/2023 9:12 PM
Reinstall Wiring Harness for HVB
படம்
Published
10/11/2023 8:52 PM
Reinstall SCA-775 Plate
படம்
Published
10/11/2023 8:51 PM
LD-260 Disconnect Switch Power On
படம்
Published
05/04/2023 3:37 PM