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Oil Circuit Breaker Repairs / OCB Bushing Leak

Another common leak on OCB's is bushing leaks. If the base mount connecting flange is leaking, it will be drilled and injected, provided the gasket lies in a groove. Another leak found on OCB bushings is porcelain to base mounting flange leak as seen in Figure 1.
[ Click images for a larger view ]

OCB bushing base mounting flange oil leak Fig 1 - Click to enlarge

Figure 1

Figures 2 through 5 show this type leak being repaired.

OCB bushing base mounting flange leak repair Fig 2 - Click to enlarge

Figure 2

OCB bushing base mounting flange leak repair Fig 3 - Click to enlarge

Figure 3

OCB bushing base mounting flange leak repair Fig 4 - Click to enlarge

Figure 4

OCB bushing base mounting flange leak repair Fig 5 - Click to enlarge

Figure 5


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Transmission & Distribution Services - Leak Seal Specialists
P.O. Box 547, Glenbrook, Nevada, 89413 : tel-775.586.8300 : fax-775.586.1105