ICC Control Unit Replacement

Prerequisites

Table 1. Personnel requirements
Required persons	Preliminary requirements	Procedure	Finalization
1	Not Applicable	90 minutes	15 minutes

Table 2. Tools and test equipment
Item	Quantity	Effectivity	Part number	Manufacturer
Standard Tool	1	-	-	-
Hoist Service Kit	1	-	5196226	-

Table 3. Replacement parts
Item	Quantity	Effectivity	Part number	Manufacturer
ICC Control Unit	1	-	Refer to FRU Manual	-

Table 4. Safety

Warning

ELECTROCUTION HAZARD!

DANGEROUS AND OR FATAL VOLTAGES ARE PRESENT IN THE ENERGIZED CABINET.

Follow LOTO steps as given in first section of this document to disable and verify safe voltage levels.

Table 5. Required conditions
Condition	Reference	Effectivity
ISC Power must be turned OFF. Refer to Lockout / Tagout for ISC.	-	-

Open ICC Cove.
Setup Hoist. Refer to Hoist Setup.

Figure 1. Setup Hoist
Disconnect all cables from Control Unit.

Figure 2. Cables at Control Unit
Loosen two screws and carefully withdraw Control Unit from the chassis.

Figure 3. Withdraw Control Unit
Attach the lifting eye bolt on the top of Control Unit.

Figure 4. Eye Bolt
Hook the winch from the hoist kit to the lifting eye bolt.
Note: Make sure the hook is seated in the lifting eye bolt. If not, the weight can shift causing harm to the equipment or engineer.
Ratchet the winch to tighten the chain.

Figure 5. Ratchet
Press the release tabs and remove the 2nd slide rail from 1st slide rail.

Figure 6. Release tabs of slide rail
Push the slide rail into the cabinet before lowering Control Unit.

Figure 7. Push slide rail
Use the hoist and slowly lower the Control Unit to the floor.

Figure 8. Lower Control Unit
Replace slide rail to new Control Unit.
Attach the lifting eyebolt to the top of the new Control Unit.
Restore the Control Unit by reverse order of removal.
Disassemble the hoist kit and restore it to the stored location.