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Summary of Contents for Rice Lake TuffSeal JB4ES
- Page 1 TuffSeal ® Light to Mid-Range Capacity Junction Box JB4ES/JB4SS/JB4EP/JB4EPT/JB4SP/JB4SPT Installation Manual PN 184803 Rev E February 27, 2025...
- Page 2 All information contained within this publication is, to the best of our knowledge, complete and accurate at the time of publication. Rice Lake Weighing Systems reserves the right to make changes to the technology, features, specifications and design of the equipment without notice.
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Page 3: Revision History
Added JB4SPT and JB4EPT; updated diagrams Table i. Revision Letter History Technical training seminars are available through Rice Lake Weighing Systems. Course descriptions and dates can be viewed at www.ricelake.com/training or obtained by calling 715-234-9171 and asking for the training department. -
Page 4: Table Of Contents
5.3 Wiring Diagrams (See next page) ......19 Rice Lake continually offers web-based video training on a growing selection of product-related topics at no cost. -
Page 5: Introduction
NOTE: The TuffSeal manual, part number 91909, has been updated to 184803 effective July 24, 2017. Figure 1-1. Junction Boxes Manuals and additional resources are available on the Rice Lake Weighing Systems www.ricelake.com website at www.ricelake.com/warranties Warranty information can be found on the website at... - Page 6 Do not operate or work on this equipment unless this manual has been read and all instructions are understood. Failure to follow the instructions or heed the warnings could result in injury or death. Contact any Rice Lake Weighing Systems dealer for replacement manuals.
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Page 7: Mounting Procedure
SL-11, PG-11 Cord Grips, Cable Diameter 0.197 - 0.394 in SL-7, PG-9 Cord Grips, Cable Diameter 0.118 - 0.255 in SL-7, PG-7 Cord Grips, Cable Diameter 0.138 - 0.315 in Breather Vent Table 2-1. JB4ES and JB4SS Enclosures © Rice Lake Weighing Systems ● All Rights Reserved... -
Page 8: Mid-Range Junction Boxes (Jb4Ep And Jb4Sp)
TuffSeal Light to Mid-Range Capacity Junction Box Mid-Range Junction Boxes (JB4EP and JB4SP) Depending on the mounting surface, the JB4EP and JB4SP enclosure can be attached using four pan-head screws, bolts or other suitable masonry fasteners. 9.52 in (242.0 mm) 7.43 in (188.8 mm) 5.89 in... -
Page 9: Mid-Range Junction Boxes (Jb4Spt And Jb4Ept)
Breather Vent SL-7, PG-9 Cord Grips, Cable Diameter 0.118 - 0.255 in with Ground Wire Connector SL-7, PG-9 Cord Grips, Cable Diameter 0.118 - 0.255 in Table 2-3. JB4SPT and JB4EPT Enclosures © Rice Lake Weighing Systems ● All Rights Reserved... -
Page 10: Junction Box Wiring
TuffSeal Light to Mid-Range Capacity Junction Box Junction Box Wiring Connect Load Cells All TuffSeal junction box models connect and trim up to four load cells per board. It is possible to use this junction box with other combinations. Use the expansion port on the main board to connect to transient boards or multiple junction boxes in series to accommodate applications that have more than four load cells. -
Page 11: Connect Indicator
IMPORTANT: If cables can be exposed to liquids, bend a downward loop in all cables near the cord grips so fluids draining down the cables drip off before reaching the junction box. Figure 3-3. Drip Loop Cable © Rice Lake Weighing Systems ● All Rights Reserved... -
Page 12: Connect Transient Protection Board
TuffSeal Light to Mid-Range Capacity Junction Box Connect Transient Protection Board JB4SPT (92762)/JB4EPT (92763) junction boxes include a transient protection board that protects load cells from voltage transients. The transient protection board connects to the expansion port on the 4 Channel Load Cell Junction Box Board as follows: Transient Protector Board 4 Channel Load Cell Junction Box Board Arc 2 Connector... -
Page 13: Torque Cord Grips And Breather Vent
Torque Specification PG7 (only JB4ES and JB4SS) 22 in-lb or PG9 Cord Grip PG11 Cord Grip 33 in-lb Breather Vent 10 in-lb Table 3-2. Cable Grip and Breather Vent Torque Specifications © Rice Lake Weighing Systems ● All Rights Reserved... -
Page 14: Trimming Procedure
TuffSeal Light to Mid-Range Capacity Junction Box Trimming Procedure Trimming is a process of equalizing the output from multiple individual load cells. If needed, load cell output can be individually trimmed with potentiometers. If more than 5% of normal output needs to be trimmed to equalize output, check for other possible problems. - Page 15 14. Replace the cover and tighten the screws in an alternating pattern to be certain the gasket is compressed equally in all locations. IMPORTANT: Inspect the desiccant during normal service and change the desiccant as needed. © Rice Lake Weighing Systems ● All Rights Reserved...
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Page 16: Signal Board Trimming Procedure (Jb4Ss, Jb4Sp And Jb4Spt)
TuffSeal Light to Mid-Range Capacity Junction Box Signal Board Trimming Procedure (JB4SS, JB4SP and JB4SPT) Use the following steps to properly trim the JB4SS and JB4SP junction boxes. 1. Determine the number of load cells needed. 2. Ensure jumpers are in place to enable trimming the load cells. Remove jumpers for unused cells. - Page 17 14. Replace the cover and tighten the screws in an alternating pattern to be certain the gasket is compressed equally in all locations. IMPORTANT: Inspect the desiccant during normal service and change the desiccant as needed. © Rice Lake Weighing Systems ● All Rights Reserved...
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Page 18: 5.0 Board Installation
TuffSeal Light to Mid-Range Capacity Junction Box 5.0 Board Installation The 4 channel board is used in many Rice Lake Weighing systems products and is FM approved. Use this document when replacing the board in existing product. Some procedures described in this manual require work inside the WARNING: product. -
Page 19: Installation
• This equipment was examined and approved for connection to a single Indicator only. Wiring Diagrams (See next page) IMPORTANT: The drawings on the following pages apply to J4BSS, JB4ES, JB4SP and JB4EP junction boxes. © Rice Lake Weighing Systems ● All Rights Reserved... - Page 20 TuffSeal Light to Mid-Range Capacity Junction Box NOTE: For full sized version of 173044 J-Box Drawing, see our website linked below. Visit our website www.RiceLake.com...
- Page 21 Board Installation © Rice Lake Weighing Systems ● All Rights Reserved...
- Page 22 TuffSeal Light to Mid-Range Capacity Junction Box Visit our website www.RiceLake.com...
- Page 23 Board Installation © Rice Lake Weighing Systems ● All Rights Reserved...
- Page 24 © Rice Lake Weighing Systems Content subject to change without notice. 230 W. Coleman St. • Rice Lake, WI 54868 • USA USA: 800-472-6703 • International: +1-715-234-9171 February 27, 2025 PN 184803 Rev E www.ricelake.com...
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