Assembly Sequence - ABB OHB Installation, Service And Maintenance

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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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7.5.2 Assembly sequence

Fig. 11 Arragement without CT structure
Fix the Lower Leg Assly as shown in Fig. 11
Fix M20 Plain Washer, Spring Washer & Hex nut or Expansion Bolts in case the
is with expansion Bolts
Keep Nuts slightly loose for flexibility during entire assembly of structure
Fix Lower Legs of CT Structure Assembly (optional) as per Fig.12
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