Maintenance
Repair
116 MagneMotion
Rockwell Automation Publication MMI-UM037A-EN-P - April 2020
Required Tools and Equipment
• Hex wrench; 2.5 mm Hex.
• Assembly fixture.
• Loctite 243, Thread locker Anaerobic Adhesive, Blue.
Procedure
1. Stop all motion on the path where the vehicle to be removed is located.
2. Remove the vehicle as described in Replace Precision Rail Vehicles on page 104.
3. Place the vehicle on a non-metallic work surface with the magnet arrays down. Keep
the magnet arrays at least three feet away from metal objects and tools. For safety rea-
sons, only remove and replace one magnet array at a time.
4. Place the vehicle in the assembly fixture on a non-metallic work surface with the bear-
ings and magnet arrays facing downward. Keep the magnet arrays at least three feet
away from metal objects and tools. For safety reasons, only service one vehicle at a
time.
NOTE: The fixture holds the magnet arrays in place and helps to prevent them from
being attracted to each other.
5. Remove the four M4 x 12 mm screws that secure the magnet arrays to the vehicle and
store them for reuse.
6. Hold both arrays in the assembly fixture and lift the vehicle off the arrays and place on
the work surface away from the arrays.
7. Remove the shims from the top of the magnet arrays and store them for reuse.
8. Remove the arrays from the assembly fixture one at a time and place them in the orig-
inal shipping container, or wrap them in bubble-wrap, for protection. Do not move one
magnet array over, or near, the other magnet array.
9. Locate the replacement magnet arrays and place the first array in the assembly fixture.
10. Hold the first array in place and place the second array in the assembly fixture. Do not
move the magnet array over, or near the other magnet array.
11. Place the previously removed shims on the top surface of the replacement magnet
arrays. Slide the shims around the array posts but do not allow the ends to extend
beyond the outer edges of the array.
NOTE: If the shims are removed, or additional shims added, the length of the screws
must be adjusted appropriately.
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