User manual

Repair and Replacement Procedures
7-26 ProMaster 2500 User Manual
9. Apply a small amount of purple Loctite on the outer surface of the
new nut where it contacts the carriage during operation.
10. Twist the new anti-backlash nut into place and carefully re-assemble
all of the disconnected components.
Replacing the Beam
Gasket
If there are air leaks in the beam, follow the steps below to replace the
beam air channel gasket.
1. Turn off the 2500, remove the power cord, and disconnect the air
supply.
2. Disconnect the vacuum sensor cable from the vacuum sensor switch.
3. Disconnect the four solenoid cables.
4. Use a 3/32-inch hex wrench to remove the solenoid cable connector.
5. Disconnect the beam head rotation motor cable.
6. Disconnect the three optic cables.
Note: Write down the cable positions before you cut the tie wraps that hold the
cables in place.
7. Use a 1/8-inch hex wrench to remove the two screws that hold the
cable harness to the right side of the beam.
8. Disconnect the gray air line and the black vacuum line from the two
quick connects, noting their location.
9. Use a 5/64-inch hex wrench to remove the two screws that hold the
limit bar to the beam shafts (see Figure 7-17).