User manual

Repair and Replacement Procedures
7-24 ProMaster 2500 User Manual
9. The right lead screw bearing assembly will come away from the right
end plate with the lead screw. Remove the bearing assembly and
replace it with a new bearing assembly.
10. Reverse the procedure to reinstall all of the components.
Replacing the Left
Lead Screw Bearing
Assembly
If the left lead screw bearing assembly fails, follow the steps below to
replace it.
1. Turn off the 2500 and remove the power cord.
Note: This procedure requires two people to perform the steps safely.
2. Slide the beam over the programming station.
3. Use a 1/8-inch hex wrench to remove the four screws in the bearing
cover plate on the left end plate.
4. Use a 9/64-inch hex wrench to loosen the four hex screws holding the
front and rear carriage shafts to the left end plate.
Note: Have an assistant hold the lead screw and shafts during the next steps.
5. Loosen the two main plate corner screws and lift the main plate.
6. Use a hex wrench to remove the two screws holding the left end plate
to the main plate.
7. Lower the main plate and slide the end plate off the shafts and lead
screw.
8. The left lead screw bearing assembly will come away from the left
end plate with the lead screw. Remove the bearing assembly and
replace it with a new bearing assembly.
9. Reverse the procedure to reinstall all of the components.
Replacing the Lead
Screw
If the lead screw is damaged, follow the steps below to replace it.
1. Turn off the 2500 and remove the power cord.
2. Slide the beam over the programming station.
Note: This procedure requires two people to perform the steps safely.
3. Look through the two holes in the top of the beam traverse motor’s
mounting block while you manually rotate the lead screw until the
heads of the flex coupler set screws are visible through the holes.
4. Use a 7/64-inch hex wrench to remove the set screw on the left side of
the flex coupler.
5. Use a 1/8-inch hex wrench to remove the four screws in the bearing
cover plate on the left end plate.