- Discovery MR750 3.0T System Service Methods
- 5690009-2EN Revision 4
- 00000018WIA3039ED20GYZ
- id_131058514.0
- Feb 21, 2021 9:12:47 PM
3.0T HD T/R Knee Array Coil FRUs and Replacements
Personnel Requirements
| Required Persons | Procedure Timing |
| 1 | 60 minutes |
Overview
This document contains the FRU lists and the replacement procedures for the 3.0T HD T/R Knee Array by Invivo, catalog M3335LB (for curved table) or M7000GS (for flat table).
FRUs
FRU Table
| Description | GE Part # | Invivo # |
| 3.0T HD T/R Knee Array Coil with Cable and Baseplate (for Curved Table) | 5160254-2 | 870297 |
| 3.0T HD T/R Knee Array Coil with Cable and Baseplate (for Flat Table) (non-RoHS) | 5406657-2 | 4535-303-0521* |
| 3.0T HD T/R Knee Array Coil with Cable and Baseplate (for Flat Table) (RoHS) | 5406657-4 | 4535-303-0521* |
| 3.0T HD T/R Knee Array Cable (for Curved Table) | 5160254-5 | 870298 |
| 3.0T HD T/R Knee Array Cable (for Flat Table) (RoHS) | 5406657-5 | 4535-303-0522* |
| 3.0T HD T/R Knee Array Baseplate (for Curved Table) | 5114356-4 | 870003 |
| 3.0T HD T/R Knee Array Baseplate (for Flat Table) | 5406150-4 | 4535-303-0336* |
| 3.0T HD T/R Knee Array Phantom (Legacy) | 5160254-4 | 870299 |
| Large Cylindrical Unified Phantom | 5342679-2 | n/a |
| Phantom Positioner | 5114356-12 | 870006 |
| Latch Kit | 5114356-13 | 870004 |
| Pad Kit (includes Knee Thin, Knee Thick, Ramp,
and Ankle pads) Replacement pads are blue. Pads are customer-consumable components and not covered by any GE service contract. Bill the customer for replacement pads. | 5406150-14 | 4535-303-0337* |
| * The revision number for the part appears as the last digit replacing the asterisk (*). | ||
Additional Accessories
The following table lists additional accessories that can be purchased from Invivo. These pads are grey.
| Description | GE Part # | Invivo # |
| Knee Pad, Thin | 5114356-7 | 870007 |
| Knee Pad, Thick | 5114356-8 | 870008 |
| Ramp Pad | 5114356-9 | 870009 |
| Ankle Pad | 5114356-10 | 870010 |
Tools and Test Equipment
(For cable or baseplate replacement) #2 Phillips screwdriver
(For latch replacement:) Locking bail insert removal tool (included in FRU kit)
Replacement Procedures
| Notice | |
|---|---|
Replacement procedures are to be performed by authorized Service Engineers only. | |
Coil Cable
Cable Replacement Procedure
The 2 coil connector mounting screws are located at the inferior end of the coil.
-
Remove the 2 coil connector mounting screws.
Figure 1. Remove 2 Screws 
-
Remove the coil connector by pulling the coil connector housing away from the coil in the inferior direction.
Figure 2. Disconnect Cable 
Mechanical Parts Replacement
| Notice | |
|---|---|
Mechanical parts replacements are to be performed by authorized Service Engineers only. | |
Mechanical Hardware Check
Exercise the coil latches by moving the latch handle back and forth. The latches must move smoothly and lock positively into place. The latches must not loosen or open during the course of an examination.
Move the coil from side to side on the baseplate. The coil must move smoothly and without resistance.
Swivel the coil on the baseplate. The coil must move smoothly within a 10-15 degree rotation.
Lock the coil into position on the baseplate. The coil must remain in place while locked down, and resume smooth movement when unlocked.
Latch Replacement
Open the latch FRU kit 5114356-13. Replacement instructions are included in the latch kit; or, see 625507.pdf.
Baseplate Replacement
Open the baseplate FRU kit 5114356-4. Replacement instructions are included in the kit; or, see 626521.pdf.