• SIGNA™ Hero 3.0T Service Methods
  • 5852800-8EN Revision 1.0
  • Object ID: 00000018WIA30973450GYZ
  • Topic ID: id_2021764 Version: 1.5
  • Date: Jan 27, 2020 2:44:57 PM

Preparing the replacement dock motor

Prepares a new dock motor for installation by moving the dock gearbox shaft and dock motor mount to the new dock motor.

Prerequisites

Personnel requirements
Required personsPreliminary requirementsProcedureFinalization
1-10 minutes-
Tools and test equipment
ItemQuantityPart numberManufacturer
Nonmagnetic Titanium Service Tool Kit, Small Set15113258-
Consumables
ItemQuantityPart numberManufacturer
Permatex (1 oz tube) Antiseize LubricantAs required2119594-
Loctite #243As required5415261-3-
Required conditions
The dock motor is removed.

Procedure

  1. Remove the e-clip from the end of the dock gearbox shaft on the removed dock motor using the blade of a slotted screwdriver.
    Note: The e-clip may release suddenly when removed. Hold the e-clip during removal to prevent it from flying away.
    Figure 1. Dock motor components
    1E-clip
    2Dock motor
    3Dock mounting plate
    4Spring
    5Dock mounting plate screws
    6Dock gearbox shaft
  2. Remove the dock gearbox shaft and spring from the dock motor.
  3. Remove the four screws securing the dock mounting plate to the removed dock motor.
  4. Remove the dock mounting plate from the dock motor.
  5. Apply Loctite #243 to the four screws.
  6. Install the dock mounting plate onto the new dock motor.
  7. Install the four screws securing the mounting plate to the dock motor.
  8. Apply anti-seize to the dock gearbox shaft and shaft key only on the portion of the shaft that enters the gearbox.
  9. Install the spring onto the gearbox shaft.
  10. Install the dock gearbox shaft into the new dock motor.
  11. Install the e-clip securing the gearbox shaft to the dock motor.