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uPrint/uPrint SE Service Manual 5-49
14.
Verify proper Drive Wheel alignment:
A.
Gently move the Toggle Bar to the right, then back to the left while observing the
Drive Wheel and Alignment Pin.
B.
The Alignment Pin should not deflect forward or backward as the Drive Wheel is
brought into contact with the Pin.
C.
The Alignment Pin should be centered within the groove of the Drive Wheel.
• Drive wheel must be axially aligned along the centerline between the model
liquefier heater blocks and the main toggle block within 0.0025".
D.
If the Alignment Pin is misaligned, repeat steps 11 through 14 .
Figure 5-367: Wheel alignment check 1 of 2
Figure 5-368: Wheel alignment check 2 of 2
15.
Move the Toggle Bar to the right.
16.
Loosen the Heater Block Clamp screws and the Heater Block Mount screws.
17.
Remove the Alignment Rod.
18.
Install the right side Pivot Block.
A.
Make sure the Shim is installed (it normally remains on the pin when the Pivot
Block is removed).
B.
Install the teflon washer and retaining clip.
Alignment Pin
Drive Wheel
As the Toggle Bar is moved right and
left, the Alignment Pin should not
deflect fore or aft as the Drive Wheel
contacts the Pin.