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Siemens 3AK - Page 49

Siemens 3AK
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Maintenance
9229 9923 176 0B 49
2013-09-09
Fig. 54 Bearings and sliding surfaces of the operating mechanism
Isoflex Topas L 32 Shell Tellus Oil 32
a Crankpin for sensing device actuation b Bearing for deflection lever
c Curve contour f Auxiliary switch
d Close-latch j Circuit-breaker shaft bearing
e Deflection of auxiliary switch p Opening spring bearing
g Opening spring guide r Spring eyelet on closing spring
h Deflection of auxiliary switch
kOPEN-latch
l Curve for OPEN-latch
m End stop
s Contact area of instantaneous release

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