Siemens NXPLUS C Installation And Operating Instructions Manual page 273

Medium-voltage switchgear, fixed-mounted circuit-breaker switchgear up to 24 kv, extendable, single busbar, metal-enclosed, gas-insulated
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Mounting the interlock
802-9081.9 • INSTALLATION AND OPERATING INSTRUCTIONS • NXPLUS C • Revision 11
Detail view
➭ Carefully thread the interlocking into the operating mechanism. Insert the lug ③ into the
driver at the top, and the tripping rocker ④ into the slide ⑤ .
➭ Fasten bolts ① and ⑦ (both M6x12 with hexalobular socket)
➭ Tighten the rocker ④ with the bolted joint ② .
➭ Fix the cables ⑥ again with 2 cable straps.
➭ Refit the front cover of the panel.
➭ Test proper functioning of the interlock according to the following table. All control
elements must be easy to operate.
Component
Oil the bearing for the operating shaft.
Apply grease to the guide of the closing
spring.
Precondition: Closing spring charged.
WARNING: Do not reach into the
operating mechanism compartment
with your hands when the operating
springs are charged.
Service information
Lubricants
Shell Tellus Oil S2M32
Isoflex Topas L32
Bolt, left side
Bolted joint
Lug
Tripping rocker
Slide
Cable strap (2x)
Bolt, right side
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