HP Designjet 3D Service Manual page 410

Figure 408: Viewing the drive wheel alignment
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 .0025".
D. If the Alignment Pin is misaligned, repeat steps
14.
Figure 409: Wheel alignment check 1 of 2
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.
Alignment Pin
through
11
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