Rice Lake Combination System - Precision Loads On-Board Weighing Systems - Manual (Page 49)

16.25
PLSB-40K
Load Cell
6.50
Load Cell
Cable Clamp
Assembly
2X Hardened
Flat Washer
2X Torque Bolt
to 1430 ft/lbs
8.38
Apply loctite threadlocker primer 7088
and loctite quickstix high strength 268
threadlocker or equivalent at assembly.
Applications 45
Figure 4-45. Load Cell Cable Clamp Assembly
Preliminary Load Cell and Trunnion Assembly
1. Assemble the load cell and bearing plates with the bolts supplied without torquing bolts tight.
2. Mount the two load cell clamp assemblies to the trunnion tube with the load cell connectors facing inwards
(towards each other).
Prior to Installation
A visual inspection of the trailer is recommended, particularly for retrofit installations. Inspect all mounting and
structural surfaces to which the load cell bearing plate will be welded. These surfaces must be flat, parallel,
absolutely rigid, and free of any signs of cracking, corrosion or other deterioration. Any evidence of problems with
these surfaces must be repaired before installing load cells.
PREPARATION:
1. With the trailer coupled to the tractor, use heavy duty hydraulic jacks or a forklift at the rear of the empty
trailer to slightly lift the weight of the trailer onto the jacks or forks.
Note
Note
WARNING
Using this procedure is not recommended unless the trailer is coupled to a tractor, or the installer has
taken adequate safety measures to ensure the trailer cannot move during the course of the installation.
Place blocks or floor stands beneath the trailer, so workers underneath are protected. Use blocks at the
tires to also prevent movement of the trailer suspension.
REMOVAL OF TRUNNION STANDS:
1. Remove any bolts and nuts which are part of the trunnion stands between the single point trunnion (dead
axle) and the trailer underside supports.
These are typically the bolts and nuts that clamp the stands to the dead axle or that are used at the top of the
stands where the stands mount to the trailer underside supports.
2. Using a cutting torch, remove the stands from the trailer underside support areas (2). Discard the old
stands.
3. When cooled, check the trunnion tube for smoothness and conformity.
The new clamp must fit tightly and uniformly onto the existing trunnion tube. If the tube has excessive wear
and does not have a uniform outer surface it should be replaced.
PREPARATION OF TRAILER SUPPORTS AND BASE PLATES:
1. With both trunnion stands completely removed, carefully roll the complete suspension forward for access
to the trailer underside supports. Do not allow the suspension to move laterally as this could affect trailer
alignment.
2. Grind underside of trailer supports to a flat, smooth surface.