• SIGNA MR355 / SIGNA MR360
  • Service Manual
  • 5856356-3EN Revision 5.0
  • Basic Service Documentation. Copyright General Electric Company.
  • Object ID: 00000018WIA3083FF20GYZ
  • Topic ID: id_13107633 Version: 1.2
  • Date: Jul 5, 2019 11:49:11 PM

Bridge Removal

Prerequisites

Table 1. Personnel requirements
Required personsPreliminary requirementsProcedureFinalization
4 minumum - - -
Table 2. Tools and test equipment
ItemQuantityEffectivityPart numberManufacturer
12-inch length of 1/2-inch I.D. hose1---
2 hose clamps for 1-inch O.D. hose1---
4-inch-long piece of copper tubing, 1/2-inch O.D.1---
Roll of paper toweling1---
Pair of latex gloves (optional)---
Non-magnetic torpedo level or similar 1---
Epoxy-filled Gradient Coil cart (2134810), cradle (2134810-2), and accessory kit (2134810-4). 1-

2144093

-
Class 1 electric rider lift truck, 4-wheel, rated at 6000 lbs (in case the coil, cart, and cradle must all be lifted together— a necessity in mobiles); with forks a minimum of 56 inches long; with side shifter for easy width adjustment and lateral movement of forks.1-

n/a

-
Non-magnetic tool kit 1-

46-320273G1, G2, G3, or G4

-
Table 3. Required conditions
ConditionReferenceEffectivity

Verify that the Epoxy-filled Gradient Coil accessory kit contains all the parts listed in Kit Contents.

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About this task

Perform the following steps at the front of the magnet:

Fixed Sites

About this task

See the twelve steps in the following three illustrations, or, for greater detail, perform the procedure Bridge Replacement.

Procedure

  1. Bridge Removal - Sequence 1 (Figure 1).
    Figure 1. BRIDGE REMOVAL - SEQUENCE 1
  2. Bridge Removal -Sequence 2 (Figure 2)
    Figure 2. BRIDGE REMOVAL - SEQUENCE 2
  3. Bridge Removal - Sequence 3 (Figure 3).
    Figure 3. BRIDGE REMOVAL - SEQUENCE 3

Mobiles

Procedure

  1. See Fixed Sites
  2. This describes the removal of the rear pedestal and rear bulkhead, necessary for preparing any mobile for replacement of the combined body coil. See Figure 4.
    Figure 4. REMOVING REAR PEDESTAL IN MOBILES

Finalization

Finalization

No finalization steps.