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Replacements
Patient Table
Replacing the hydraulic cylinder
Removes the hydraulic cylinder from a dockable patient table and installs a replacement hydraulic cylinder.

Replacements
- System
- Gradient
- RF
- Coils
- Magnet Enclosure
- Patient Table
  - Arm Board Hinge and Shoulder Screw Replacement
  - Connector Cover and Handle Hinge Replacements
  - Cotton Rod Replacement
  - Cradle Assembly removal and replacement
    This procedure describes how to remove the cradle from the patient table and how to replace the cradle.
  - Cradle Latch Assembly Replacement
  - Replacing the cradle guide rail
    Replace the cradle guide rail, which is locked in the home position with a latch on the patient table bridge. The latch engages a notch on the cradle guide rail at the rear of the table.
  - Replacing the cradle latch–curved table
    Replace the cradle latch housing for a 32-channel system or a 16-channel system.
  - Cradle Latch Block Replacement
  - Replacing the hydraulic filter
    Removal and installation instructions for replacing the hydraulic filter in the dockable patient table.
  - Hydraulic Fluid Draining and Rotary Pump Replacement Videos
    Visit the MR Service Documentation Website to view video clips showing the process to replace the rotary pump and drain the table hydraulic fluid.
  - Patient Table braking system replacements
    This procedure explains how to replace various components in the Table braking system and how to do various braking system checks at the completion of the replacements.
  - Patient Table Cable Take-up and GEM MUX Box Replacement
  - Patient Table Caster, Wheel and Pad Replacement
  - Patient Table Components
  - Replacing the hydraulic cylinder
    Removes the hydraulic cylinder from a dockable patient table and installs a replacement hydraulic cylinder.
    - Raising the dockable table bellows
      Detaches the dockable table bellows cover from the table base covers and raises the bellows.
    - Removing the right-hand base side cover
      Removes the right-hand cover from the dockable table base.
    - Removing the left-hand base side cover
      Removes the left-hand cover from the dockable table base.
    - Removing the oil catch pan
      Removes the oil catch pan from the dockable patient table.
    - Removing the hydraulic cylinder
      Removes the hydraulic cylinder from a dockable patient table.
    - Installing the hydraulic cylinder
      Installs the hydraulic cylinder in a dockable patient table.
    - Bleeding the patient table hydraulics
      Bleeds the hydraulic lines for the dockable patient table.
    - Installing the oil catch pan
      Installs the oil catch pan onto the dockable patient table.
    - Installing the left-hand base side cover
      Installs the left-hand cover onto the dockable table base.
    - Installing the right-hand base side cover
      Installs the right-hand cover onto the dockable table base.
    - Lowering the raised dockable table bellows
      Lowers a previously raised dockable table bellows cover and attaches the bellows to the table base covers.
    - Calibrating and adjusting the hydraulic cylinder
      Checks the patient table for necessary adjustment following hydraulic cylinder replacement.
  - Replacing the hydraulic rotary pump
    Replaces the hydraulic rotary pump of the dockable patient table.
  - Replacing the table rotary pump couplers
    Replaces the table female or dock male rotary pump coupler.
  - Patient Table Up Limit Replacements
  - Patient table upper bellows and lower base side cover removal
  - Replacing the secondary latch actuating cable
  - Table/dock connector and Touch-n-Go (TnG) cable replacement
  - Replacing table electrical docking mechanism components
    Removes table components related to electrical docking and installs replacement components.
  - Replacing table undock mechanism components
    Removes the undock link and lever from the table base and installs replacement components.
  - Touch-n-Go (TnG) strip and side bumper replacement
- Spectroscopy

Discovery MR750 3.0T System Service Methods
5690009-2EN Revision 4
Object ID: 00000018WIA30420130GYZ
Topic ID: id_12373281 Version: 2.4
Date: Dec 28, 2021 6:19:07 PM

Replacing the hydraulic cylinder

Prerequisites


Personnel requirements
Required persons	Preliminary requirements	Procedure	Finalization
1	-	90 minutes	-


Tools and test equipment
Item	Quantity	Part number	Manufacturer
Flat-Blade Screwdriver, Small	1	-	-
Flat-Blade Screwdriver, Medium	1	-	-
Needle-Nose Pliers	1	-	-
3/4 inch Open-End Wrench	2	-	-


Consumables
Item	Quantity	Part number	Manufacturer
Self-locking Cable Tie	As required	-	-
Absorbent Towels	As required	-	-


Replacement parts
Item	Quantity	Part number	Manufacturer
Hydraulic Cylinder Assembly	1	5142785-205	-


Safety
Before working in any GE Healthcare MR suite or performing any GE Healthcare service procedure, you must: Have read and understood all hazard conditions and safety requirements in the latest revision of the GE Healthcare MR Service Safety Manual (5452735). Have successfully completed all relevant GE Healthcare Environmental Health and Safety (EHS) courses (or for non-GE employees, equivalent workplace training courses). Comply with all site-specific training and workplace safety requirements. If you have any safety concerns at any time, do not begin work or immediately stop work and move to a safe location. Immediately contact your supervisor or site safety officer for instructions on how to proceed.