Replacing The Belts In The Pfdd4 Outer Link - Brooks PreciseFlex DD 6-Axis Service Manual

2. Service Procedures
Tensioning or Replacing the Belts in the
PFDD4
Step
For stage 2, loosen the M4 clamping screw and locknut on the tension screw, adjust tension per
6.
Appendix E: Belt Tensions, Gates Tension
7. Replace the covers.

Replacing the Belts in the PFDD4 Outer Link

Before replacing the timing belts, the AC power should be disconnected. Removing the
cover allows access to the AC power terminals.
Spare Parts Required
J4 Stage One Belt, PN Gates GT3 Belt 3 mm pitch, 564-3M, 15 mm wide (PFD0-MC-X0050)
l
J4 Stage Two Belt, PN Gates GT3 Belt 5 mm pitch, 3MR-564, 25 mm wide (PFD0-MC-X0051)
l
Table 2-12: Replacing the Belts in the PFDD4 Outer Link
Step
1.
Remove the top and bottom covers per above to access the belts.
For the Stage One Belt, loosen the M4 clamping screws, release the belt tension with the tension set
2.
screw, and replace the belt.
3.
For the Stage Two Belt, remove the Stage One Belt per above, and then release the belt tension.
4.
Remove the retaining ring that retains the large idler pulley, and remove the idler pulley.
Pulley the Stage Two Belt up over the idler pulley shaft, and then remove by pulling out through the top
5.
of the outer link over the output pulley.
6.
Replace the parts, re-tension the belts, and replace the covers.
29
PreciseFlex™ Direct Drive Robots - Service Manual
Action
Meter, and tighten the screws.
Action
Part Number: 628651 Rev. A
Copyright © 2024, Brooks Automation