Express Coil: Posterior Array Coil Replacement without removing Fixed Table

Prerequisites

Table 1. Personnel requirements
Required persons	Preliminary requirements	Procedure	Finalization
1	0 minutes	40 minutes	0 minutes

Table 2. Tools and test equipment
Item	Quantity	Effectivity	Part number	Manufacturer
1/8” and 1/4” Flathead Screwdrivers	1	-	-	-

Table 3. Safety

Notice

Observe Anti-Static Precautions.

This instruction provides procedure to disassemble and assembly cradle from tabletop on the SV fixed table.

System Power must be turned OFF. Refer to Lockout / Tagout for System Cabinet PDU Main Breaker .
Notice

Wear the static electricity prevention wrist band when accessing the cables below cradle not to damage the electronics module such as Mega SW.
Move the cradle inside the bore until free from the side guards (400mm - 450mm).
Release the cradle from the LPCA.

Figure 1. Cradle Disassembly 1
Place the thin foam underneath the cradle front to prevent bridge and cradle from scratching.
Lift the cradle at the handle by 1 hand and use the other hand to insert the foam

Figure 2. Cradle Disassembly 3

Note:
Foam is stored in the Card during installation.

Figure 3. Foam Storing Location
Access to the Connectors below the Cradle.

Figure 4. Cradle Disassembly 3
Remove RF & DC connector from the socket mounted on the cradle:

Figure 5. Cradle Disassembly 4
If there is no cable clamp: Remove two M3 screw with the help of flat screwdriver and remove cable track fixed on the cradle.

Figure 6. Cradle Disassembly 5
If there is cable clamp: Remove two M3 screw with the help of flat screwdriver and remove cable track and Clamp Top fixed on the cradle:

Figure 7. Cable Clamp
Now cradle is independent of Table top.
Lift the cradle and place cradle on flat surface.

Figure 8. Lift the cradle

Verify that the pad is still on the Table.
Lift the new cradle and put it back onto the Table.

Figure 9. Cradle Assembly 1
Notice

Wear the static electricity prevention wrist band when accessing the cables below cradle not to damage the electronics module such as Mega SW.
Replacement procedure for Revised RF Cable, DC Cable and DC Cable clamp assy.

Get below mentioned FRU part as per replacement requirement

Figure 10. RF Cable FRU kit

Figure 11. DC Cable FRU kit

Figure 12. DC Cable Clamp FRU kit
Assemble DC cable Clamp bottom to Cable track end link.

Figure 13. Assembly DC Cable clamp
Fasten these parts to cradle section with M3 screw.

Figure 14. Fasten DC Cable clamp
Connect RF Cable and DC cable to cradle board, ensure both the cable are placed flat one over the other.

Figure 15. Connect RF Cable and DC Cable to cradle board
Snap the Cable track along with RF Cable and DC cable to Cable track end link.

Figure 16. Snap the cable track
Assemble DC cable Clamp top to DC cable Clamp bottom with M3 screw.

Figure 17. Assemble DC Cable clamp
Notice

DO not use cable tie to hold cable assy, cable tie is replaced by Clamp assy
Remove Foam and restore the Cradle position.
In case if cradle is interfering or not locking with table top Side guide, for adjustment refer to Cradle Guide Rail Latch Adjustment .
Restore Foam to the Cart.
Paste PA coil identification label , refer to PA coil identification label Replacement procedure