CLS-M
Coiled Cable
Connector
Load Cell Cable
Connector
Load Cell Cable
Connector
Breather Vent
Calibration Switch Access
Sealing Point
Note
iQube2® Junction Box Upgrade Installation
The iQube2 junction box is designed for use with the Rice Lake Weighing Systems CLS-M, CLS-420, and CLS-
920i series forklift scales. The coiled cable connection is the same, but the load cell connectors have been updated
to improve serviceability.
Figure 3. iQube2 Junction Box
3.7 CLS-M Junction Box Replacement
Use the following steps to replace the junction box in the CLS-M.
1. Turn scale power off on the Communication/Power box.
1. Remove the bolt that holds the cover plate in
2. Remove the cover plate and set aside.
3. Unplug power cable.
4. Lift the forklift to a comfortable working height.
5. Remove the two screws securing the juncti
remove existing junction from scale carriage.
6. Remove the coiled interface ca
ble from the junction.
7. Disconnect the load cell cables.
Steps 9-14 are only required when upgrading the original junction to an iQube2. If replacing an iQube2 with
another iQube2 skip to step 15.
8. Remove automotive quick connects from load cell cables.
9. Strip wires for connection to the new load cell connectors. See Figure 4.
10. Follow the instructions on the packaging for
11. Wire the load cell 5-pin male connector to t
orientation of the raised diamond in Figure 4. Use the supplied tool in the rectangular tool slot to lock
wires down.
place, which conceals the junction box.
on to the scale, using a number 4 metric Allen wrench, to
Turk connector, PN BS-8157-0/P69, for inserting wires.
he following color codes Table 1 and Figure 4. Note the
April 2015
PN 168876 Rev B
Load Cell 5 Pin Male Connector Wiring
G
G
Blue Locktite
DRAIN WIRE
(SHIELD)
GREEN
WHITE
RED
BLACK
Raised
Diamond
Rectangular Tool Slot
Section G-G
Load Cell Stripping Wiring Load Cell Wiring
Two Threads Visible
Pin # Wire Color Function
1 Green +SIG
2 White -SIG
3 Red +EXC
4 Black -EXC
5 Yellow Ground
Table 1. Load Cell Wiring
Figure 4. Load Cell Wiring
12. Add blue Loctite®1 425 to the two contact points as indicated in Figure 4.
13. Attach the load cell cables to the bottom two
• Apply Loctite.
• Hand tighten until the connection is snug,
connectors on the junction box.
plus another 1/4 turn. Only two threads should be visible.
Figure 5. Connect Load Cell Cable to junction
14. Attach the home run cable to the top side connector.
15. Install the iQube2 junction into the forklift scale
16. Open the calibration access switch cover on
17. Plug in the power cable, and turn on the
18. Calibrate the unit using Revolution
19. Connect the load cell cables to
each side.
20. Connect the coiled interface cable to
communication power box.
software.
the top of the junction.
21. Align the iQube2 junction with the bolt holes in
22. Place the cover plate in place and secure with a
Locktite® is a registered trademark of Henkel Technologies.
2 iQube2 Junction Box Upgrade
, using Loctite on the mounting screws.
the junction, set switch to the On position.
the scale and use an Allen wrench to tighten.
bolt and washer, and seal the unit.
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