ABB SF6 LTB 245E1 BLG 1002A - Page 103

Maintenance Operating Mechanism
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1HSB515409-100 en rev2
FIGURES
Figure 4-1. Operating mechanism ..................................................................... 9
Figure 4-2. Interlocking mechanism ............................................................... 10
Figure 4-3. Releasing the interlock ..................................................................11
Figure 4-4. Check dimension, closing springs. ................................................11
Figure 4-5. Control panel ................................................................................ 12
Figure 4-6. Heater element .............................................................................. 15
Figure 4-7. Drive unit ...................................................................................... 16
Figure 4-8. Catch gear ..................................................................................... 17
Figure 4-9. Checking the clearance. ................................................................ 17
Figure 4-10. Closing and Opening dashpots. .................................................... 18
Figure 4-11. Damping curve, Closing dashpot. ................................................ 19
Figure 4-12. Damping curves, Opening dashpot. ............................................. 19
Figure 4-13. Limit switch with auxiliary contact. ............................................. 20
Figure 4-1. Time measurement, contact travel. ............................................... 21
Figure 4-2. Electrical equipment. .................................................................... 22
Figure 4-3. Switch Local/Remote, direct-on-line starter ................................ 23
Figure 4-4. Drive unit ...................................................................................... 24
Figure 4-5. Fitting the blocking beams ........................................................... 24
Figure 4-6. Interlocking, circuit-breaker open and closing springs uncharged. ..
....................................................................................................... 25
Figure 4-7. Operating mechanism, slow closing operation. ........................... 26
Figure 4-8. Switch Local/Remote, dirct-on-line starters. ................................ 27
Figure 4-9. Drive unit ...................................................................................... 28
Figure 4-10. Fitting the blocking beams. .......................................................... 28
Figure 4-11. Interlocking, circuit-breaker closed and closing springs uncharged.
....................................................................................................... 29
Figure 4-12. Operating mechanism, slow opening operation. .......................... 30
Figure 4-13. Check dimension, closing springs. ............................................... 31