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
Image
Published
04/24/2023 12:49 PM
SCA-775 Two Connectors
Image
Published
07/08/2023 11:48 PM
SCA-775 BNC Connectors
Image
Published
07/08/2023 11:57 PM
SCA-775 Screw Sockets
Image
Published
07/09/2023 12:09 AM
High Voltage Plate on SCA-775 Box
Image
Published
10/11/2023 8:04 PM
Faulty High Voltage Board
Image
Published
10/11/2023 8:11 PM
Remove Faulty High Voltage Board
Image
Published
10/11/2023 8:17 PM
Incorrect Way of Splicing Wires
Image
Published
10/11/2023 9:24 PM
Match Wires When Soldering
Image
Published
10/11/2023 9:28 PM
Slip Solder Connector
Image
Published
10/11/2023 9:28 PM
Splice Connection
Image
Published
10/11/2023 9:18 PM
Heat Solder Connection with Heat Gun
Image
Published
10/11/2023 9:12 PM
Reinstall Wiring Harness for HVB
Image
Published
10/11/2023 8:52 PM
Reinstall SCA-775 Plate
Image
Published
10/11/2023 8:51 PM
LD-260 Disconnect Switch Power On
Image
Published
05/04/2023 3:37 PM

PackEye Reseat FHT 681 Connections

Last Updated: 04/24/2025 1:42 AM

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

Title Type Status Last Updated
Thermo FHT1377 PackEye
Device
Published
10/28/2024 3:37 PM
6202 - 6201 - Uninstall FHT 681 Amplifier; Remark:
Procedure Step
Published
11/21/2022 8:55 AM
6201 - Uninstall FHT 681 Amplifier
Instruction
Published
11/21/2022 8:55 AM
6198 - 313 - Power off instrument; Remark:5939
Procedure Step
Published
04/07/2025 4:34 PM
313 - Power off instrument
Instruction
Published
07/23/2021 2:41 PM
5939 - Press and hold the power button for approximately 10 seconds until indicator ...
Remark
Published
11/07/2022 2:33 PM
6199 - 4222 - Place instrument on flat surface; Remark:4221
Procedure Step
Published
11/21/2022 8:59 AM
4222 - Place instrument on flat surface
Instruction
Published
05/10/2022 1:54 PM
4221 - Shoulder straps should be facing down.
Remark
Published
05/10/2022 1:55 PM
6200 - 3876 - Open top of backpack; Remark:5665
Procedure Step
Published
11/21/2022 9:06 AM
3876 - Open top of backpack
Instruction
Published
04/04/2022 3:14 PM
5665 - IO PackEye Open Top for Battery
Remark
Published
11/09/2024 8:06 PM
6217 - 6216 - Disconnect straps on sides of backpack; Remark:6215
Procedure Step
Published
11/28/2022 9:50 AM
6216 - Disconnect straps on sides of backpack
Instruction
Published
11/28/2022 9:46 AM
6215 -
Remark
Published
11/28/2022 9:50 AM
6224 - 6223 - Partially remove backpack contents; Remark:6222
Procedure Step
Published
11/28/2022 9:57 AM
6223 - Partially remove backpack contents
Instruction
Published
11/28/2022 9:52 AM
6222 - Slowly slide foam assembly out of backpack to access FHT 681 amplifier. This ...
Remark
Published
11/28/2022 9:57 AM
6225 - 6221 - Disconnect gamma detector; Remark:6220
Procedure Step
Published
11/28/2022 10:03 AM
6221 - Disconnect gamma detector
Instruction
Published
11/28/2022 9:59 AM
6220 - The gamma detector is connected to the FHT 681 amplifier at PMT1
Remark
Published
11/28/2022 10:03 AM
6226 - 6219 - Disconnect RS-232 jumper and distribution box connections; Remark:5670
Procedure Step
Published
11/28/2022 10:07 AM
6219 - Disconnect RS-232 jumper and distribution box connections
Instruction
Published
11/28/2022 10:04 AM
5670 - Use small, slotted screwdriver.
Remark
Published
11/03/2022 9:07 AM
6218 -
Remark
Published
11/28/2022 10:06 AM
6231 - 6229 - Rotate power supply and FHT 681 modules; Remark:6227
Procedure Step
Published
11/28/2022 10:13 AM
6230 - Caution : Do not completely remove FHT 681 module as neutron detectors are still connec...
Annotation
Published
11/28/2022 10:13 AM
6229 - Rotate power supply and FHT 681 modules
Instruction
Published
11/28/2022 10:09 AM
6227 - The neutron detector connections will be accessible.
Remark
Published
11/28/2022 10:10 AM
6228 -
Remark
Published
11/28/2022 10:12 AM
6235 - 6234 - Disconnect two (2) neutron detectors; Remark:6232
Procedure Step
Published
11/28/2022 10:18 AM
6234 - Disconnect two (2) neutron detectors
Instruction
Published
11/28/2022 10:15 AM
6232 - There are two (2) neutron detectors. Unscrew collar counterclockwise. Pull co...
Remark
Published
11/28/2022 10:17 AM
6233 -
Remark
Published
11/28/2022 10:18 AM
6240 - 6238 - Separate FHT 681 amplifier from power supply module; Remark:6236
Procedure Step
Published
11/28/2022 10:24 AM
6239 - Note : The hook and loop strips may require significant force to separate.
Annotation
Published
11/28/2022 10:24 AM
6238 - Separate FHT 681 amplifier from power supply module
Instruction
Published
11/28/2022 10:20 AM
6236 - There are two (2) hook and loop (Velcro) strips attaching the power supply mo...
Remark
Published
11/28/2022 10:22 AM
6237 -
Remark
Published
11/28/2022 10:23 AM
6249 - 6248 - Disassemble FHT 681 Amplifier; Remark:
Procedure Step
Published
11/28/2022 1:15 PM
6248 - Disassemble FHT 681 Amplifier
Instruction
Published
11/28/2022 1:15 PM
6246 - 6245 - Remove four (4) corner screws; Remark:5296
Procedure Step
Published
11/28/2022 1:19 PM
6245 - Remove four (4) corner screws
Instruction
Published
11/28/2022 1:16 PM
5296 - Use small Phillips (PH1) screwdriver. Retain screws.
Remark
Published
10/24/2022 9:12 AM
6244 -
Remark
Published
11/28/2022 1:19 PM
6247 - 6243 - Remove four (4) jack screws.; Remark:6241
Procedure Step
Published
11/28/2022 1:25 PM
6243 - Remove four (4) jack screws.
Instruction
Published
11/28/2022 1:21 PM
6241 - Use a 5-mm nut driver or small needle nose pliers.
Remark
Published
11/28/2022 1:22 PM
6242 -
Remark
Published
11/28/2022 1:23 PM
6255 - 6252 - Slide out serial communication assembly; Remark:6250
Procedure Step
Published
11/28/2022 1:42 PM
6253 - Caution : Ribbon cable is still attached. Only slide out serial communication assembly ...
Annotation
Published
11/28/2022 1:42 PM
6254 - Note : Do not misplace the rubber gasket.
Annotation
Published
11/28/2022 1:42 PM
6252 - Slide out serial communication assembly
Instruction
Published
11/28/2022 1:39 PM
6250 - Ribbon cable is still attached internally. Pull panel until ribbon cable is a...
Remark
Published
11/28/2022 1:40 PM
6251 -
Remark
Published
11/28/2022 1:41 PM
6258 - 6257 - Disconnect ribbon cable; Remark:6256
Procedure Step
Published
11/28/2022 1:44 PM
6257 - Disconnect ribbon cable
Instruction
Published
11/28/2022 1:43 PM
6256 -
Remark
Published
11/28/2022 1:44 PM
6261 - 6245 - Remove four (4) corner screws; Remark:5296
Procedure Step
Published
11/28/2022 1:49 PM
6260 - Caution : Do not remove the two (2) center screws.
Annotation
Published
11/28/2022 1:49 PM
6259 -
Remark
Published
11/28/2022 1:48 PM
6265 - 6264 - Note the notch where internal board mounted; Remark:6262
Procedure Step
Published
11/28/2022 1:52 PM
6264 - Note the notch where internal board mounted
Instruction
Published
11/28/2022 1:51 PM
6262 - It is recommended to mark the location with a permanent marker.
Remark
Published
11/28/2022 1:51 PM
6263 -
Remark
Published
11/28/2022 1:52 PM
6268 - 5702 - Remove electronics; Remark:6266
Procedure Step
Published
11/28/2022 1:56 PM
6267 - Note : Do not lose the gasket used to seal around the seam of the plate face to the ...
Annotation
Published
11/28/2022 1:55 PM
5702 - Remove electronics
Instruction
Published
11/03/2022 10:50 AM
6266 -
Remark
Published
11/28/2022 1:55 PM
6277 - 6276 - Inspect FHT 681 Amplifier; Remark:
Procedure Step
Published
11/28/2022 3:22 PM
6276 - Inspect FHT 681 Amplifier
Instruction
Published
11/28/2022 3:22 PM
6274 - 6273 - Check for loose debris; Remark:
Procedure Step
Published
11/28/2022 3:23 PM
6273 - Check for loose debris
Instruction
Published
11/28/2022 3:23 PM
6275 - 6271 - Check for loose connection mounts; Remark:6269
Procedure Step
Published
11/28/2022 3:27 PM
6272 - Caution : Do not rotate the whole connection assembly or it may break the attached resi...
Annotation
Published
11/28/2022 3:27 PM
6271 - Check for loose connection mounts
Instruction
Published
11/28/2022 3:24 PM
6269 - Check that the two (2) neutron detector and one (1) gamma cable connector gro...
Remark
Published
11/28/2022 3:25 PM
6270 -
Remark
Published
11/28/2022 3:26 PM
6281 - 6280 - Reseat ribbon cable; Remark:6278
Procedure Step
Published
11/28/2022 3:30 PM
6280 - Reseat ribbon cable
Instruction
Published
11/28/2022 3:29 PM
6278 - Disconnect and reconnect ribbon cable several times to remove oxidation. Veri...
Remark
Published
11/28/2022 3:29 PM
6279 -
Remark
Published
11/28/2022 3:30 PM
6287 - 6286 - Reassemble FHT 681 Amplifier; Remark:
Procedure Step
Published
11/28/2022 3:33 PM
6286 - Reassemble FHT 681 Amplifier
Instruction
Published
11/28/2022 3:33 PM
6285 - 5720 - Replace electronics; Remark:6282
Procedure Step
Published
11/28/2022 3:36 PM
5720 - Replace electronics
Instruction
Published
11/03/2022 1:11 PM
6282 - Align circuit board with fourth slot from bottom of enclosure and slide into ...
Remark
Published
11/28/2022 3:34 PM
6283 -
Remark
Published
11/28/2022 3:35 PM
6284 -
Remark
Published
11/28/2022 3:36 PM
6289 - 5718 - Align gasket; Remark:5717
Procedure Step
Published
11/28/2022 3:39 PM
6288 - Caution : If the gasket is misaligned, the instrument could show false alarms due to RF...
Annotation
Published
11/28/2022 3:39 PM
5718 - Align gasket
Instruction
Published
11/03/2022 1:16 PM
5717 - Verify gasket is aligned between housing and end panel before inserting screw...
Remark
Published
11/03/2022 1:18 PM
6345 -
Remark
Published
11/29/2022 10:31 AM
6293 - 6292 - Replace four (4) corner screws; Remark:6290
Procedure Step
Published
11/29/2022 8:08 AM
6292 - Replace four (4) corner screws
Instruction
Published
11/29/2022 8:06 AM
6290 - Use small Phillips (PH1) screwdriver. Attach each screw loosely until all are...
Remark
Published
11/29/2022 8:07 AM
6291 -
Remark
Published
11/29/2022 8:08 AM
6298 - 6297 - Verify RS-232 gaskets are in place; Remark:6296
Procedure Step
Published
11/29/2022 8:12 AM
6297 - Verify RS-232 gaskets are in place
Instruction
Published
11/29/2022 8:10 AM
6296 -
Remark
Published
11/29/2022 8:12 AM
6299 - 6295 - Reconnect ribbon cable; Remark:6294
Procedure Step
Published
11/29/2022 8:14 AM
6295 - Reconnect ribbon cable
Instruction
Published
11/29/2022 8:13 AM
6294 -
Remark
Published
11/29/2022 8:14 AM
6307 - 5718 - Align gasket; Remark:5717
Procedure Step
Published
11/29/2022 8:19 AM
6306 -
Remark
Published
11/29/2022 8:19 AM
6308 - 6305 - Insert serial port face; Remark:6303
Procedure Step
Published
11/29/2022 8:23 AM
6305 - Insert serial port face
Instruction
Published
11/29/2022 8:20 AM
6303 - Align serial port openings with internal serial port connectors.
Remark
Published
11/29/2022 8:21 AM
6304 -
Remark
Published
11/29/2022 8:23 AM
6309 - 6302 - Insert four (4) jack screws; Remark:6300
Procedure Step
Published
11/29/2022 8:25 AM
6302 - Insert four (4) jack screws
Instruction
Published
11/29/2022 8:23 AM
6300 - Attach each screw loosely until all are inserted and then tighten. Use 5-mm n...
Remark
Published
11/29/2022 8:24 AM
6301 -
Remark
Published
11/29/2022 8:25 AM
6312 - 6311 - Insert four (4) corner screws; Remark:6290
Procedure Step
Published
11/29/2022 8:30 AM
6311 - Insert four (4) corner screws
Instruction
Published
11/29/2022 8:28 AM
6310 -
Remark
Published
11/29/2022 8:30 AM
6322 - 6321 - Reinstall FHT 681 Amplifier; Remark:
Procedure Step
Published
11/29/2022 8:37 AM
6321 - Reinstall FHT 681 Amplifier
Instruction
Published
11/29/2022 8:37 AM
6319 - 6318 - Connect FHT 681 amplifier to power supply module; Remark:6316
Procedure Step
Published
11/29/2022 8:40 AM
6318 - Connect FHT 681 amplifier to power supply module
Instruction
Published
11/29/2022 8:38 AM
6316 - A significant force might be required to rejoin the components. A snap should...
Remark
Published
11/29/2022 8:39 AM
6317 -
Remark
Published
11/29/2022 8:40 AM
6320 - 6315 - Reconnect neutron detectors; Remark:6313
Procedure Step
Published
11/29/2022 8:44 AM
6315 - Reconnect neutron detectors
Instruction
Published
11/29/2022 8:41 AM
6313 - There are two (2) neutron detectors. Push connector onto detector. Turn colla...
Remark
Published
11/29/2022 8:43 AM
6314 -
Remark
Published
11/29/2022 8:44 AM
6331 - 6330 - Reconnect RS-232 jumper and distribution box; Remark:5670
Procedure Step
Published
11/29/2022 9:15 AM
6330 - Reconnect RS-232 jumper and distribution box
Instruction
Published
11/29/2022 9:13 AM
6329 -
Remark
Published
11/29/2022 9:15 AM
6332 - 6328 - Reseat gamma connectors; Remark:6326
Procedure Step
Published
11/29/2022 9:18 AM
6328 - Reseat gamma connectors
Instruction
Published
11/29/2022 9:15 AM
6326 - The gamma detector is connected at the FHT 681 amplifier at the connection la...
Remark
Published
11/30/2022 12:21 PM
6327 -
Remark
Published
11/29/2022 9:18 AM
6333 - 6325 - Repack backpack; Remark:6323
Procedure Step
Published
11/29/2022 9:20 AM
6325 - Repack backpack
Instruction
Published
11/29/2022 9:18 AM
6323 - Slide the protective foam assembly into backpack
Remark
Published
11/29/2022 9:19 AM
6324 -
Remark
Published
11/29/2022 9:20 AM
6344 - 1383 - Close backpack; Remark:6343
Procedure Step
Published
11/29/2022 10:11 AM
1383 - Close backpack
Instruction
Published
11/19/2020 5:23 PM
6343 -
Remark
Published
11/29/2022 10:11 AM
6342 - 6341 - Perform Gamma High Voltage Adjustment; Remark:6340
Procedure Step
Published
11/29/2022 10:13 AM
6341 - Perform Gamma High Voltage Adjustment
Instruction
Published
11/29/2022 10:12 AM
6340 - DET-HHD-THR-PAK-RM05, PackEye Gamma High Voltage Adjustment.
Remark
Published
11/29/2022 10:13 AM
6339 - 319 - Perform operational test; Remark:6337
Procedure Step
Published
04/08/2025 2:14 PM
319 - Perform operational test
Instruction
Published
06/10/2021 8:31 PM
6337 - DET-HHD-THR-PAK-RM01, PackEye Operational Test.
Remark
Published
11/29/2022 10:14 AM
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
30 minutes
Duration
Published
04/01/2020 11:35 AM
As Needed
Frequency
Published
04/01/2020 11:36 AM
Caution
Annotation Type
Published
03/02/2020 3:24 PM
Note
Annotation Type
Published
03/02/2020 3:25 PM
Technician 2
Skill Level
Published
04/09/2020 1:17 AM
5-mm (1/4 inch) nut driver or socket
Tools
Published
05/14/2020 3:21 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
Small needle nose pliers
Tools
Published
11/21/2022 9:06 AM
Power off Packeye
Image
Published
02/19/2022 1:48 AM
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10/20/2023 12:55 PM
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10/24/2023 10:18 AM
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10/24/2023 10:20 AM
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10/24/2023 10:23 AM
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10/24/2023 10:24 AM
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10/24/2023 10:30 AM
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Published
10/24/2023 10:33 AM
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Image
Published
10/24/2023 10:34 AM
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Image
Published
10/24/2023 10:36 AM
packeye_di_681serial_cornerscrews_4circle.jpg
Image
Published
10/24/2023 10:39 AM
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Image
Published
10/24/2023 10:40 AM
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Image
Published
10/24/2023 10:42 AM
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Image
Published
10/24/2023 10:44 AM
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Image
Published
10/24/2023 10:27 AM
packeye_di_681electronicsPCB_4thslot.jpg
Image
Published
10/24/2023 10:45 AM
packeye_di_681electronicsPCB_remove.jpg
Image
Published
10/24/2023 10:46 AM
packeye_di_681electronics_groundingnut_3circle.jpg
Image
Published
10/24/2023 10:47 AM
packeye_di_681ribboncable.jpg
Image
Published
10/24/2023 10:48 AM
packeye_di_681electronicsPCB_install.jpg
Image
Published
10/24/2023 10:49 AM
packeye_di_681pmt_EMIgasket_5arrow.jpg
Image
Published
10/24/2023 10:51 AM
packeye_di_681pmt_cornerscrews_4circle.jpg
Image
Published
10/24/2023 10:26 AM
packeye_di_681electronics_rs232gasket_4arrow.jpg
Image
Published
10/24/2023 10:53 AM
packeye_di_681serialcomm_installconnector.jpg
Image
Published
10/24/2023 10:54 AM
packeye_di_681rs232_EMIgasket_5arrow.jpg
Image
Published
10/24/2023 10:56 AM
packeye_di_681serialcomm_install_1arrow.jpg
Image
Published
10/24/2023 10:55 AM
packeye_di_681powermodule_join.jpg
Image
Published
10/24/2023 10:37 AM
packeye_di_neutron_connect21.jpg
Image
Published
10/24/2023 10:35 AM
packeye_di_rs232_distrocable_install_2arrows.jpg
Image
Published
10/24/2023 10:32 AM
packeye_di_681installpmt1connector.jpg
Image
Published
10/24/2023 10:25 AM
packeye_di_content_insert_2arrow.jpg
Image
Published
10/24/2023 10:21 AM
packeye_di_closetop_redarrow.jpg
Image
Published
10/24/2023 10:59 AM
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