Stratasys uPrint, Service Manual, Page: 257 / 383

5-48
4.
Loosen (don’t remove) the model side Heater Block Mount screws and the model side
Heater Block Clamp screws
5.
Make sure that the Drive Wheel Alignment Rod is straight. Roll the Rod along a flat
surface to check for bends. Straighten as necessary.
6.
Insert the Drive Wheel Alignment Rod from the bottom of the right side (model) heater
block (before using, check the rod to make sure that it is straight).
7.
Push the Alignment Rod up into the Main Pivot Block.
8.
Position the Alignment Rod so that the stepped portion is centered between the Heater
Block and the Pivot Block. See Figure 5-366.
9.
Tighten the Heater Block Clamp screws.
10.
Tighten the Heater Block Mount screws.
Figure 5-366: Drive wheel alignment
11.
With the Drive Wheel set screw loose (make sure that the Drive Wheel is free to slide
axially on the Motor shaft), gently move the Toggle Bar to the left until the Alignment
Rod rests in the groove of the Drive Wheel.
12.
Adjust the Drive Wheel until the Alignment Rod is centered in the groove of the Drive
Wheel.
13.
Tighten the Drive Wheel set screw.
Note: Do not force the Toggle Bar to the full left position. Forcing the Toggle Bar
to the full left position may cause the Alignment Rod to bend.
Toggle Bar to right.
Alignment Pin
inserted so ‘step’ is
visible.
Toggle Bar to
left.
Drive Wheel is
positioned so
that Alignment
Pin is centered
in Wheel track.
Drive Wheel
set screw
Heater Block
Mount Screws
Heater Block
Clamp Screws