Adding, Removing, or Replacing a DC-Input Power Supply
Step 11 If an external alarm monitoring facility is attached to the circuit breaker alarm terminal block on the power supply faceplate (see Figure
Step 12 Disconnect the leads from the circuit breaker alarm terminal block.
Step 13 Using a
Step 14 Grasp the power supply carrying handle with your left hand and pull the unit halfway out of the bay to disengage the
Warning The
Step 15 Place your right hand beneath the power supply to support its weight and completely withdraw the unit from the bay.
Step 16 Pending further action, set the unit aside in a safe place.
If you intend to return the removed power supply to the factory for repair or replacement, restore the nuts and lock washers to the power supply terminals, and reinstall the plastic safety shield (see Figure
Step 17 On the new
Step 18 Grasp the carrying handle on the power supply with one hand; place your free hand beneath the unit to support its weight.
Step 19 Position the unit appropriately for insertion into the power supply bay.