mcr S-THERM smoke exhaust vents: C, E, NG-A. OPERATION AND MAINTENANCE MANUAL
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1. Electromagnetic jumper
Fig. 66 Closing the lock jumper.
a)
Lock “nut" open
b)
Lock “nut" closed
2. Lock “nut”
3. Closed catch
4. Lock lever in closed position
Fig. 67Lock before and after closing.
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2
3
4