23 – 27
 23.6.9 Attaching the front panel
 23.6.10 Installing the arc chutes
When the breaker internal contacts are replaced, it is also necessary to replace the arc chutes. See Installing arc chutes (page 23-7).
 23.6.11 Mechanical function test
- Charge the closing spring manually  (page 6-4)
-Close  (page 6-7)
- Open  (page 6-7)
- Check again the wear indicator  (page 23-10)