Customer Replaceable Units Y Bellows
Page 180
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Installing the Z Drive Belt
1. Using a small flat head screwdriver, relax the belt tension by gently prying the Z motor
tension bracket away from the compression spring. See Figure 33 (page 179).
2. Install the Z drive belt to the Z motor pulley.
3
. Install the Z drive belt to the Z axis lead screw pulley.
4
. Remove the flat head screwdriver from the tension bracket to restore proper tension to the
Z
belt.
5. Rotate the lead screw pulley two revolutions to align the Z drive belt on both pulleys.
6
. Using a 3mm hex wrench, tighten the Z motor mounting screws (4). See
F
igure 32 (page 179).
7. Reinstall the top cover. See “
Installing the Top Cover” (page 167).
8. Close the front top cover.
Y Bellows
Required Tools
• 3 mm hex wrench
Removing the Y Bellows
1. Power OFF the printer.
2. Open the front top cover.
3
. Remove the front Y bellows assembly. See F
igure 34 (page 181).
a. Remove the clips (4) that secure the front bellows retainer to the front of the oven
f
rame.
b. Remove the clips (4) that secure the front bellows retainer to the front of the X bridge
a
ssembly tray.
c. Remove the front Y bellows and retainers from the gantry enclosure.
d
. Retain the Y bellows retainers for re-installation.
4
. Remove the back Y bellows assembly. See F
igure 34 (page 181).
a. Remove the clips (4) that secure the back bellows retainer to the rear of the oven
f
rame.
b. Using a 3 mm hex wrench, remove the screws (3) that secure the back bellows retainer
t
o the back of the X bridge assembly tray.
c. Remove the back Y bellows and retainers from the gantry enclosure.
Move the X bridge as necessary to access Y bellows mounting clips and screws.
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