B Port Coil Connector Replacement

Prerequisites

Table 1. Personnel requirements
Required persons	Preliminary requirements	Procedure	Finalization
1	Not Applicable	60 minutes	Not Applicable

Table 2. Tools and test equipment
Item	Quantity	Effectivity	Part number	Manufacturer
Non Magnetic Tool Set	1	-	-	-

Table 3. Replacement parts
Item	Quantity	Effectivity	Part number	Manufacturer
B Port Coil Connector (Refer to Illustrated Parts)	1	-	-	-

Table 4. Safety

DANGER

STRONG MAGNETIC FIELD!

FERROUS MATERIALS CAN BECOME DANGEROUS PROJECTILES IN THE PRESENCE OF THE MAGNETIC FIELD PRODUCED BY THE SIGNA MAGNET.

Do not Bring any ferromagnetic tools or equipment into the magnet room.

Warning

ELECTROCUTION HAZARD!

DANGEROUS VOLTAGES ARE PRESENT AROUND THE MAGNET SUBSYSTEM WHEN ENERGIZED.

LOCK AND TAG OUT POWER TO THE magnet room BEFORE STARTING WORK.

Table 5. Required conditions
Condition	Reference	Effectivity
Move the LPCA to rear pedestal with IN button of magnet front panel. Then, Separate LPCA from cradle.	-	-
System Power must be turned OFF. Refer to Lockout / Tagout for System Cabinet PDU Main Breaker.	-	-


Last Update	07/08/2012

Remove LPCA Cover. Refer to LPCA Cover Removal.

Figure 1. B Port Coil Connector
Cut the 4 tie wraps fixing cables.

Figure 2.
Remove the following connectors. (BNC, J17 BNC, Sub-D Connector J19, J20, J1 – J8 BNC connectors from MC pre-amp (Input Side) and 2 LED cable-With LED).

Figure 3. connectors
Cut the tie wrap fixing coil port cables.
Remove 2 screws from B Port Coil Connector assy.
Remove B Port Coil Connector assy from the L brackets.

Figure 4. Remove B Port Coil Connector
Install new B Port Coil Connector assy to the L brackets with 2 screws.
Installation of coil port cable

Figure 5. Installation of coil port cable
Connect the all connectors to the preamplifier and BNC.
Restore new B Port Coil Connector assy by the reverse order of the removal.

Restore the Power. Refer to Lockout / Tagout for System Cabinet PDU Main Breaker.
Run MCR tool.
Run one head or body scan.