User manual

Repair and Replacement Procedures
ProMaster 2500 User Manual 7-23
6. Reinstall the traverse motor and attach the new flex coupler to the
lead screw. Tighten with a torque wrench and a left-side screw using
24 inch-pounds of torque.
Note: After you have reinstalled the flex coupler, make sure it does not drag on
the enclosed (right) side of the bracket. Leave a 1/8-inch clearance
(approximately).
Replacing the Right
Lead Screw Bearing
Assembly
If the right 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. Remove the beam traverse motor as described on page 7-15.
4. Use a 1/8-inch hex wrench to remove the four screws in the bearing
cover plate on the right end plate.
5. Use a 9/64-inch hex wrench to loosen the four hex screws holding the
front and rear carriage shafts to the right end plate.
Note: Have an assistant hold the lead screw and shafts during the next steps.
6. Loosen the two main plate corner screws and lift the main plate.
7. Use a hex wrench to remove the two screws holding the right end
plate to the main plate.
8. Lower the main plate and slide the end plate off the shafts and lead
screw.
Figure 7-16
Right Lead Screw Bearing
Assembly
2389-1
BEAM TRAVERSE
MOUNTING BLOCK
RIGHT END PLATE
BEARING COVER PLATE
BEAM TRAVERSE
MOTOR
REAR CARRIAGE SHAFT
FRONT COVER SHAFT