Shutter's Charger Mechanism - ABB SafeGear Installation, Operation And Maintenance Manual

9. Shutter's Charger Mechanism

When the controller is removed, the shutter's position cover the primary contacts in the controller compartment. When charged the springs and the controller is
inserted, the shutter's charge mechanism provides the energy required to actívate the opening of the shutter's charge mechanism and to permit the conection
with the primary contacts.
Procedure
Before placing the contactor inside the module, is necessary to manually charge the springs showns.
Steps for charging the springs manually:
1. The spring is in its normal position.
1
2. Charge the spring manually (as shown in the picture).
2
3. In this position, the spring is charged. (Note: When the spring is charged, it maintains its position as shown in the picture).
3
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7 SafeGear Motor Control Center Controller Installation, Operation and Maintenance Manual
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Fig. 3 Spring before being charged
2 3