Insertion And Removal - ABB SafeGear Installation, Operation And Maintenance Manual

10. Insertion and Removal

This section describes the necessary steps for inserting and removing a controller to and from the "Disconnect" position. Racking the controller to and from
Disconnect/Test and Connected (Control circuit checkout) positions is covered in the next section. The following rules should always be observed when inserting
a controller into the MCC compartment.
•
ABB has specific accessories to be used with ABB controllers.
NOTE:
•
compare the controller ratings nameplate with the MCC ratings nameplate. Verify controller secondary control voltage ratings are in
ALWAYS
agreement with the MCC control voltage ratings.
•
attempt to insert the controller prior to a complete inspection of both controller and MCC compartment controller and compartment
DO NOT
must be free of tools, obstructions or foreign objects.
•
attempt to insert or rack a closed controller.
DO NOT
•
force a controller into or out of the cell.
DO NOT
Do not attempt to remove the controller from the controller compartment without the required ramp, dolly or lift truck. Refer to the
specific MCC comp Installation, Operation and Maintenance manual for details.
Before placing the controller inside the compartment, is necessary to charge the springs of the shutter's charge mechanism.
INSERTION:
(Refer to Figure 4 for compartment detail and Appendix A for controller detail)
1. Open MCC controller compartment door to its fully opened position.
2. Align lift truck
3. Raise platform for easy insertion of platform guides, then lower lift truck until platform guides are fully engaged and hooked into MCC compartment cell.
4. Pull back on lift truck to insure platform is fully engaged and level.
5. Grasp lower truck handles on both sides of controller and pull handles inward to unlatch the controller from the lift truck platform.
6. Push controller into controller compartment, pulling handles inward, before front of controller truck reaches front of MCC frame or damage to cell interlock
tabs will occur. Interlocks may prevent or restrict insertion.
7. Align cell interlock tabs with controller compartment and push handles out to fully engage tabs into slots (controller truck will be flush with MCC frame).
WARNING
Use of any other racking device not approved by ABB will void the warranty!!
Approved device shown below.
SafeGear
CAUTION
Motor Control Center Controller Installation, Operation and Maintenance Manual 8
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