3 installing protective clamshells – Rice Lake BenchMark SLHE User Manual
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10
Benchmark Series Single Point Bench Scales
5.3
Installing Protective Clamshells
Stainless steel enclosures called clamshells are available to provide extra protection for the load cell of every
BenchMark scale. All clamshells are pre-drilled for load cell screws, overload screws, and cables. Any existing
load cell shims or spacers are installed inside the clamshells.
1. The lower clamshell fits inside the upper clamshell and is installed first. Position the clamshell so that no
part of it touches the load cell, then tighten the lower load cell screws to the specifications given
Important
When installing the upper clam shell, position it so there is clearance on all sides to prevent any binding
problems with the lower clam shell.
2. Tighten the upper load cell screws to the required torque.
3. When installation is complete, reset all overload protection screws as described in Section 5.1 or
4. Calibrate the scale according to the procedure described in Section 3.0.
UPPER
CLAM SHELL
LOWER
CLAM
SHELL
Figure 5-3. Clamshell Enclosure