15
4.2.1.3.
Assembly sequences for Structure :
Arrangement without CT structure
Fix the Lower Leg Assembly as shown
Fix M20 Plain Washer, Spring Washer & Hex nut or Expansion Bolts in case the
foundation is with expansion Bolts.
Keep Nuts slightly loose for flexibility during entire assembly of structure,
Fix Lower Legs of CT Structure Assembly [optional]
Arrangement with CT Structure [Optional]
Circuit Breaker Structure Assembly
Now fix Cross-Support Angles (5) as shown using M12 bolts,
spring washers, plain washers & Hex Nus .
Slide Upper Leg Assembly (1) into Lower Leg Assembly to
Fix Support Angles(3) as per the order bound GA drawing
For the sake of flexibility, do not fully tighten the fasteners.
1
3
5
and M12 bolts, spring washers, plain washers & Hex Nuts.
PART B Installation, Operation & Maintenance
Fix the Lower Leg Assembly as shown.
Fix M20 Plain Washer, Spring Washer & Hex nut
or Expansion Bolts in case the foundation is with
Keep Nuts slightly loose for flexibility during entire
Expansion bolts.
Assembly of structure.
achieve height
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