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General| Brand | ABB |
|---|---|
| Model | Mechanism HMB-8 |
| Category | Circuit breakers |
| Language | English |
Provides a description of components and operating principles for the HMB-8 mechanism.
Details the hydraulic operation for closing the mechanism, involving high pressure oil flow.
Explains the hydraulic operation for opening the mechanism, releasing high pressure oil.
Describes the function of the pressure relief valve to prevent damage from over-pressurization.
Outlines essential steps before performing maintenance, including isolation and pressure equalization.
Covers fundamental practices like cleanliness, seal checks, and hydraulic oil service life.
Details specific maintenance tasks such as oil checks, draining, component replacement, and system evacuation.
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