ABB OHB Installation, Service And Maintenance page 23

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Outdoor SF6 Circuit Breaker - Type
OHB: Instruction for Storage,
Installation, Service and
Maintenance
Original Title: ABB Breaker
Uploaded by Sampath Kumar
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7.6.1 Unpacking of Poles-with-Duct Assembly
Fig. 17 Unpacking of Poles-with-Duct Assembly
Remove top & all side covers of casing
containing Poles-with-Duct Assembly.
Hold Poles-with-Duct Assembly by
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Remove these hardware
only after holding the
assembly by crane
Free Poles-with-Duct Assembly b
bolts as shown in Fig.17
Lift entire assembly & place it on
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