Removing the reciprocating pump assembly

Removes the reciprocating pump assembly from the dockable patient table.

1. Undock the patient table and remove it from the magnet room.
2. Remove the upper and lower base covers. See Patient Table Upper and Lower Base Cover Removal.
3. Raise the patient table to the full up position.

warning Personal injury possibility When doing maintenance on the table in its up position, severe personal injury can occur if the table is accidentally lowered during maintenance. Make sure the lock safety bar is safely in place.

4. Lower the table lock safety bar.

   Figure 1. Table lock safety bar

   

5. Release the hydraulic pressure by gently pressing the Down foot pedal until the table is supported by lock safety latch.
6. Put absorbent towels under the reciprocating pump area, and clamp the hydraulic oil (low pressure) line shown below.
7. Use a 0.75 inch open-end wrench to disconnect the hydraulic oil (low pressure) hose connection from the pump.
   1. Fasten the end of the hose in an upright position to prevent oil from leaking.
   2. Using a backer wrench to hold the pump-side fittings in place, use a 0.75 inch open-end wrench to disconnect both black high-pressure hoses from the top and side of the pump.

      Figure 2. Left side view of lower table chassis

      

8. Use a slotted screwdriver to remove the clip and pin from the front of the pump, then remove them from the rear of the pump. See Figure 3.
9. Slide the pump assembly away from the table chassis and remove it.

   Figure 3. Front and rear clips, pin and shaft