Rice Lake RL1600 Series - Stainless Steel - Manual (Page 6)

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3. Assemble the modules by attaching the load cell to the load plate and clamp
using the lockwashers and clamp screws. Then, insert the load pins through the
base plate and load cell. Secure the load pins with washers and cotter pins.
Note: The arrow on the load cell should point in the direction of the load.
4. Lift and block the vessel to the same height as the assembled modules.
5. Remove the block from one support point and slide that module into position.
6. As the module is being fitted under the leg of the vessel, verify that the leg’s
center line passes through the center of the load plate (through the center of the
load cell).
7. Lower the corner or side of the vessel carefully onto the load plate.
8. With the load plate positioned approximately level, mark holes for attaching
the load plate to the vessel’s mounting surface. Make holes and attach the load
plate loosely to vessel with suitable fasteners.
9. Repeat steps 5-8 for the weigh modules at the remaining corners or sides.
10. Verify that there is no initial misalignment between the tank mount base and
load plate and clamp and that the load plate and clamp is centered with respect
to the load cell. Also, verify that the load cell, clamp, and load cell assembly is
centered in the base plate. Relocate if necessary.
11. Attach the base plates to the foundation using suitable anchors for concrete or
by bolting or welding to a steel structure or subplate. Verify that the base plates
are no more than
±.5° out of level. Shim as necessary.
12. Check that the top plates are no more than ±.5° out or level. Shim if necessary
and fully tighten mounting bolts.
13. IMPORTANT: Check that each pin of each module has approximately equal
weight applied. If a pin is loose, shim between the base plate and foundation as
necessary.
14. If dummy cells are used, replace with the load cells. Refer to step 3.
15. To achieve equal load distribution, final height adjustments can be made with
shims between the load plate and clamp and the vessel. The variation in load
among the cells should be no more than 20%. The load distribution can be
checked accurately by exciting each load cell in turn and measuring the output
with a voltmeter.
Caution
Use extreme care when lowering the vessel. The
force of a vessel weighing several tons can dam-
age a load cell if dropped only a fraction of an inch.