- Remove the four screws and the belt grips on the front and the back of the
X axis carriage. Replace the Y-axis bearing assembly.
replacement of the bearing assembly
19. Replace the main belt
- Connect the new belt to the old one. Pull out the old belt (and at the same
time pull in the new belt)
20. Replace the ball bearings, the Y axis drive gear and the motor belt.
There are ball bearings on the front and on the back of the Y axis.
Two on the drive gear and two on the main belt idler pulley.
- Take out the drive gear. Put in a new one and replace also the ball
bearings
drive gear assembly
- Take out the idler pulley, remove the old ball bearings and replace them for
new ones.
drive
gear
right ball
bearing
left ball
bearing