Prerequisites
Table 1. Personnel requirements| Required persons | Preliminary requirements | Procedure | Finalization |
|---|
| 1 | Not Applicable | 30 minutes | Not Applicable |
Table 2. Tools and test equipment| Item | Quantity | Effectivity | Part number | Manufacturer |
|---|
| Flathead screwdriver | 1 | - | - | - |
| Side cutters | 1 | - | - | - |
Table 3. Replacement parts| Item | Quantity | Effectivity | Part number | Manufacturer |
|---|
| FRU, GEM RT
open array | 1 | - |
See FRU Manual
| - |
| FRU, GEM RT
open array system cable | 1 | - |
See FRU manual
| - |
| 100G shock sensor | 1 | - |
See FRU manual
| - |
About this task
This document provides instructions to remove the system cable
for the GEM RT Open Array coil for both 1.5T and 3.0T magnets.
Procedure
| Notice |
|---|
|
Remove the coil from the magnet room before performing this procedure. |
Locate the bottom of the coil and remove all screws. Remove
the cover.
Figure 1. Screw Locations on Bottom of Coil
- Remove the cable ties with side cutters.
Figure 2. Cable Tie and Connector Locations
|
Item |
Description |
| 1 | Location of cable ties |
| 2 | J37 connector |
| 3 | J38 connector |
| 4 | J39 connector |
- Remove the J37 connector. Push the tab on the side in to release
the connector and pull straight up.
- Remove the J38 connector by pulling straight up.
- Remove the J39 connector.
- Remove the cable clamp and screws.
Figure 3. Screws Holding Cable Clamp
| CAUTION |
|---|
| Equipment Damage! Cables can be damaged if the cables are secured over the
screw. Avoid routing the cable on top of the screw in the PCB
assembly. Carefully route the cable in the notch of the PCB assembly. |
Replace the coil FRU or cable FRU.
As you replace the cables, carefully route the cable in the
notch of the PCB assembly.
Figure 4. Routing Cable on PCB Assembly
|
Item |
Description |
| 1 | Orientation of the cable |
| 2 | Notch in PCB assembly and screw |
| 3 | Placement of the cable ties |
- Perform the steps in this procedure in reverse order to reinstall
the system cable.
Finalization
Proceed to GEM RT Open Array MCQA Setup, and run Multi-Coil Quality Assurance Tool to verify
that the coil operates properly.