Customer Replaceable Units Z-Motor
Page 220
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7. Release the reusable cable ties that secure the Z motor cables to the upper frame.
8. Pull the loose ends of the Z motor cables through the frame until they hang freely below the
Z motor.
9. Use a 3 mm hex wrench to loosen the Z motor tension bracket screws (4). See Figure 52.
10. Relax the Z drive belt tension by pushing the Z-motor tension bracket against the
compression spring. See Figure 52.
Figure 52: Z-Motor tension bracket screw locations
11. While the belt tension is relaxed, remove the Z-drive belt from its pulleys. Set aside the Z-
drive belt.
Note cable routing and the original locations of cable ties to aid in re-installation.
Z Drive Belt
Tension
Bracket
Compression
Spring
Z Axis Lead Screw
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