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Replacements
Patient Table
Replacing a table caster
Removes one of the caster assemblies from the table base and installs a replacement caster.
Installing a table caster
Installs a caster onto the dockable table.

Replacements
- Operator Workspace
- ISC (Integrated System Cabinet)
- ICC (Integrated Cooling Cabinet)
- Magnet Enclosure and Outer Electronics
- Coil Replacement
- Patient Table
  - Removing and installing the dockable table covers
    Provides removal and installation instructions for all dockable patient table covers.
  - Replacing a dockable table armboard
    Removes the left- or right-hand armboard from the dockable table and installs a replacement armboard.
  - Replacing the patient table braking system components
    Replaces braking system components for the dockable patient table.
  - Replacing a dockable table cable assembly
    Removes the P1/PE or P2/P4 cable assembly from the dockable patient table and installs a replacement cable assembly.
  - Replacing a table caster
    Removes one of the caster assemblies from the table base and installs a replacement caster.
    - 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 a table caster
      Removes a caster from the dockable table.
    - Installing a table caster
      Installs a caster onto the dockable table.
    - Measuring the dockable table bosses
      Measures the relative heights of the dock and dockable table bosses.
    - Setting up the alignment lasers
      Positions the laser levels for dockable table adjustments.
    - Leveling the dockable table
      Adjusts the table caster heights to make the tabletop level.
    - 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.
    - Verifying the dockable table movement
      Makes sure the patient table controls operate correctly.
  - Replacing the cradle flipper assembly
    Replaces the cradle flipper assembly in a dockable patient table.
  - Replacing the dockable table cradle
    Replaces the bottom half of the dockable table cradle.
  - Replacing a dockable table cradle side wheel
    Removes a side wheel from the dockable table patient cradle and installs a replacement wheel.
  - Replacing a dockable table cradle vertical wheel
    Removes a vertically-oriented wheel from the dockable table patient cradle and installs a replacement wheel.
  - Replacing the table dock cables
    Replaces the dock cables for the dockable patient table.
  - Replacing table dock components
    Procedures for replacing field replaceable units contained within the table dock.
  - Replacing the dockable table dummy load
    Removes the dummy load from the dockable table and installs a replacement dummy load.
  - Replacing the egress switch and springs
    Removal and installation instructions for replacing the egress switch and springs.
  - Replacing table electrical docking mechanism components
    Removes table components related to electrical docking and installs replacement components.
  - Replacing the dockable table ElectroMagnetic (EM) clutch and belt
    Removes the ElectroMagnetic (EM) clutch and belt from the dockable table motor and EM clutch assembly, and installs a replacement clutch and belt.
  - Replacing the handle hinge
    Removes the handle hinge from the dockable table and installs a replacement hinge.
  - Replacing the hydraulic cylinder
    Removes the hydraulic cylinder from a dockable patient table and installs a replacement hydraulic cylinder.
  - Replacing the hydraulic filter
    Removal and installation instructions for replacing the hydraulic filter in the dockable patient table.
  - Replacing the hydraulic rotary pump
    Replaces the hydraulic rotary pump of the dockable patient table.
  - Checking and filling hydraulic fluid
    Checks and adjusts the hydraulic fluid level for the dockable patient table.
  - Replacing the dockable table motor
    Removes the longitudinal movement motor from the dockable table and installs a replacement motor.
  - Replacing the dockable table motor coupler
    Removes the rigibelt drive to motor coupler from the dockable table and installs a replacement coupler.
  - Replacing the dockable table Physiological Acquisition Controller (PAC)
    Replaces the Physiological Acquisition Controller (PAC) on the dockable table.
  - Replacing the dockable table Posterior Array (PA) coil
    Removes the Posterior Array (PA) coil from the dockable table cradle and installs a replacement coil.
  - Replacing the primary latch assembly
    Removes the primary latch assembly from the dockable table and installs a replacement primary latch assembly.
  - Replacing the reciprocating pump assembly
    Removes the reciprocating pump assembly from the dockable patient table and installs a replacement reciprocating pump assembly.
  - Replacing the respiratory connector or patient alert connector
    Provides instructions for replacing the respiratory connector or patient alert connector.
  - Replacing the dockable table rigibelt drive (actuator)
    Removes the rigibelt drive from the dockable table and installs a replacement drive.
  - Replacing the secondary latch actuating cable
  - Replacing the strain relief
    Removes the strain relief from the patient table handle-end cover and installs a replacement strain relief.
  - Replacing the dockable table string encoder
    Removes the string encoder from the dockable table and installs a replacement encoder assembly.
  - Replacing a dockable table touch-and-go assembly or side bumper
    Provides instructions for replacing a touch-and-go assembly or a side bumper on the dockable table.
  - Replacing table undock mechanism components
    Removes the undock link and lever from the table base and installs replacement components.
- MDP
- Pen Panel

SIGNA™ Hero 3.0T Service Methods
5852800-8EN Revision 1.0
Object ID: 00000018WIA304B0450GYZ
Topic ID: id_2021638 Version: 1.4
Date: Jan 19, 2020 11:44:39 AM

Installing a table caster

Prerequisites


Personnel requirements
Required persons	Preliminary requirements	Procedure	Finalization
1	-	15 minutes	-


Tools and test equipment
Item	Quantity	Part number	Manufacturer
150 mm Plastic Dial Caliper with Metric Readout	1	5916010	-
Nonmagnetic Titanium Service Tool Kit, Small Set	1	5113258	-
Scissor Jack	1	5437045	-


Consumables
Item	Quantity	Part number	Manufacturer
Permatex (1 oz tube) Antiseize Lubricant	As required	2119594	-
Loctite #243	As required	5415261-3	-

Procedure

Install the caster collar onto the caster shaft.

Note: Use the mark on the bottom of the collar to make sure the collar is oriented properly on the caster shaft.

Figure 1. Caster collar
Apply anti-seize to the first few threads of the table casting.
Install the caster into the table base by turning it clockwise until the length of exposed caster shaft matches the measurement recorded from removal.

Figure 2. Caster shaft measurement
Slide the collar up the caster shaft to its home position.
Apply Loctite #243 to the threads of the collar bolt.
Install the collar bolt securing the caster collar to the table base.

Figure 3. Caster hardware
1 Collar bolt
2 Caster collar
3 Caster shaft
4 Caster linkage pin
5 Wheel lock lever
Apply Loctite #243 to the threads of the caster linkage pin.
Place the unthreaded end of the caster linkage pin into the opening in the brake linkage plate.
Install the caster linkage pin into the wheel lock lever.
Lower the jack until all four casters are on the floor and remove the jack.
Move the wheel lock lever to the free swivel position.

Figure 4. Full Lock position
1 Steer lock
2 Free swivel
3 Full lock
Raise the table so the weight is off of the lock bar. Raise the table lock safety bar.
Dock the table.