• SIGNA MR355 / SIGNA MR360
  • Service Manual
  • 5856356-3EN Revision 5.0
  • Basic Service Documentation. Copyright General Electric Company.
  • Object ID: 00000018WIA302D2F20GYZ
  • Topic ID: id_13106036 Version: 1.1
  • Date: Jul 5, 2019 10:46:05 PM

Express Coil: Head Neck Array Coil Latch Replacement

Prerequisites

Table 1. Personnel requirements
Required personsPreliminary requirementsProcedureFinalization
10 minutes30 minutes0 minutes
Table 2. Tools and test equipment
ItemQuantityEffectivityPart numberManufacturer
Flathead Screw drivers for tightening M4 and M5 Screws1---

About this task

Follow this process to replace the Latch assembly.

Anterior Latch replacement

Procedure

  1. Take the HNU Anterior Assembly.
    Figure 1.
  2. Detach existing Latch Clip assy (2Nos) # 2422855.
    Figure 2.
  3. Take new Latch Clip assy (2Nos) # 2422855.
    Figure 3.
  4. Attach the new Latch Clip assy (2Nos) # 2422855.
    Figure 4.
  5. HNU Anterior Assembly # 5344765 with replaced new latch assembly is ready for use.
    Figure 5.

Posterior Latch replacement

Procedure

  1. Take the HNU posterior Assembly # 5344780.
    Figure 6.
  2. Remove HNU Posterior Bottom # 5334673 by removing M5 Screws (12 Nos) and M4 Screws (4Nos) using screwdriver.
    Figure 7.
  3. Remove HNU Posterior Bottom # 5334673 by removing M5 Screws (12 Nos) and M4 Screws (4Nos) using screwdriver.
    Figure 8.
  4. Remove the existing Latch assembly # 2422854 (2Nos) by removing M4 Brass screws (4Nos) using screwdriver.
    Figure 9.
  5. Take new Latch Clip assembly (2Nos) # 2422854 and M4 Brass screws (4Nos) from the FRU Kit.
    Figure 10.
  6. Attach the new Latch assembly # 2422854 (2Nos) by fixing Tightly the M4 Brass screws (4Nos) using screwdriver.
    Figure 11.
  7. Attach HNU Posterior Bottom # 5334673 by Tightly fixing M5 Screws (12 Nos) and M4 Screws (4Nos) using screw driver.
    Figure 12.
  8. HNU Posterior Assembly # 5344780 with replaced new latch assembly is ready for use.
    Figure 13.

Finalization

Finalization

Ensure that the anterior and posterior sections of the coil Latch smoothly, firmly latched and are functioning properly.