GE Industrial Solutions EntelliGuard R AKD-5 - Manual (Page 28)

27 EntelliGuard R Circuit Breaker Retrofill AKD-5 Installation Manual DEH-41547 02/12
Figure 31. Racking Arms / Loading Rails, Extended
15. Lower the circuit gradually, at an angle, so that the rollers drop over the rails. Make sure that the
grooves in all rollers straddle the rails as shown in Figure 32.
This might need a two-man effort: one to carefully and slowly lower the boom with the suspended
breaker and the other to guide the breaker into the cassette enclosure. See
Figure 32. You might
have to jockey the circuit breaker into position to align wheels with the rails.
Figure 32. Inserting Breaker into Cassette, Wheels Lined Up with Roller Arms
16. Keep the breaker steady. Continue to guide the breaker, while checking both sides and underneath
the assembly, so that both sets of wheels can be lowered easily on the cassette rails ( Figure 33 ).
Check that the grooves in all rollers straddle the rails.