Stratasys uPrint, Service Manual, Page: 249 / 383

5-40
5.
The large hand on the gauge should read between 0 and 30 mils and the small hand
should read between 4 and 5. See Figure 5-358.
Figure 5-358: Gauge readings
6.
If the tension is not within specification, remove the front panel to gain access to the
tensioning nuts.
7.
Next loosen, but do not remove, the 4 Y-Drive Belt clamp screws. Check that the belt is
clear of the clamp before adjusting the tension. Note: There is one clamp per Y belt. See
Figure 5-357.
8.
Locate the Y belt tension adjustment nut on the front of the system. See Figure 5-359.
9.
Adjust (increase/decrease) the tension by turning the tensioning nut so that the dial
indicator reads between 25 and 35. See Figure 5-359.
Figure 5-359: Y drive belt tension adjustment
10.
Remove the belt fixture and move the head forward and back across the gantry several
times.
11.
Reattach the belt tension gauge and recheck the tension.
12.
Continue to adjust and check the tension until the tension meets specification.
13.
Tighten the 4 Y-Drive Belt clamp screws. (One clamp per Y belt).
14.
Reinstall the top, front and side panels.
Service Limit
Adjustment Limit
Y-Drive Belt Tension
Adjusting Nut