SIGNA MR355 / SIGNA MR360
Service Manual
5856356-3EN Revision 5.0
Basic Service Documentation. Copyright General Electric Company.
Object ID: 00000018WIA307D7F20GYZ
Topic ID: id_13107003 Version: 2.0
Date: Jul 19, 2019 10:59:29 AM

PROCEDURE TO TAKE TABLE OUT FROM THE MAGNET ROOM

Prerequisites

Table 1. Personnel requirements
Required persons	Preliminary requirements	Procedure	Finalization
2	0 minutes	30 minutes	0 minutes

Table 2. Tools and test equipment
Item	Quantity	Effectivity	Part number	Manufacturer
Standard Tool (non-ferrous)	1	-	-	-

Table 3. Safety

Warning

DO NOT TAKE ANY FERROUS TOOLS INSIDE THE MAGNET ROOM FORCE OF THE MAGNETIC FIELD OF THE MR SYSTEM CAN CAUSE FERROUS OBJECTS TO BECOME PROJECTILES THAT CAN CAUSE SERIOUS INJURY.

Warning

AT ANY TIME, DO NOT TAKE THE TABLE BEYOND THE MARKED LINE AS SHOWN IN

THE FORCE OF THE MAGNETIC FIELD OF THE MR SYSTEM CAN CAUSE TABLE ACTUATOR NOT TO FUNCTION.

DO NOT TAKE THE TABLE BEYOND THE MARKED LINE

Notice

Observe Anti-Static Precautions.

Table 4. Required conditions
Condition	Reference	Effectivity
System Power is OFF. If not, refer to Lockout / Tagout for System Cabinet PDU Main Breaker.	-	-

About this task

While servicing the table it may be required to disconnect the table from Gantry and required to take out from the magnet room. This instruction provides procedure to take out the table out from the Magnet Room

Procedure

Remove FRP bottom covers of Fixed Table.
1. Remove the Rubber cap and then screws of the FRP bottom cover on the near the Gantry end of the Table.
  
  Figure 1. FRP Cover1
2. Similarly remove the cap and screws of the FRP bottom cover on the rear end of the Table.
  
  Figure 2. FRP Cover2
3. Remove the right Bottom FRP Cover. Similarly remove the left Bottom FRP cover on the other side
  
  Figure 3. FRP Cover3
4. Now remove the Dock FRP Cover Locking screws and then the Dock FRP cover carefully.
  
  Note: There are cable below the FRP cover. Be careful not to damage them.
  
  Figure 4. FRP Cover4
5. Keep both Bottom FRP Covers and Dock FRP covers aside safely.
Disconnect cables.
1. Disconnect the Sensor cable and Actuator Power supply cable from the Power supply extension cable from Control box.
  
  Figure 5. Disconnect cable 1
2. Disconnect the Earthing cables from the Dock Frame.
  
  Figure 6. Disconnect cable 2
3. Disconnect the Control Board Cable-2 (TEB Cable) Assembly from the connector box.
  
  Figure 7. Disconnect cable 3
4. Disconnect the Control Board Cable (TEB Cable) Assembly from the connector box.
  
  Figure 8. Disconnect cable 4
Remove the screws and nuts connecting the Table and the Dock frame.

Figure 9. Dock Frame
Mark the position of the 4 pads so that it can be restored later.
Loosen four Leveling pads.

Figure 10. Loosen four Leveling pads
Move the Table out from Magnet Room.

Finalization

No finalization steps.