He paused at a hand-drawn diagram of a Vertical Stop Unit (VSU). It looked like a simple stack of red rubber washers, but the manual treated it with the reverence of a holy relic. The VSU was the fail-safe, the final barrier that stopped a generator from becoming a multi-ton wrecking ball during a "shock event."
Complete Technical Guide and Operations Manual for the BR 3021 Shock Absorber
The manual is typically divided into two key parts that govern different aspects of shock protection:
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Must support the suspended mass while isolating it from standard vibration and structure-borne noise during normal operations.
At first glance, the BR 3021 looks like a straightforward monotube or twin-tube shock absorber. But under the surface, it features:
Assuming you have removed the factory shocks, here is how to install the BR 3021 per the official manual.