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

Brooks Automation
Part Number: 628651 Rev. A

Tensioning or Replacing the Belts in the PFDD4

Tensioning the Belts in the PFDD4 Outer Link

Electrical Shock
Before tensioning the timing belts, the AC power should be disconnected. Removing the
front cover allows access to the AC power terminals.
Tools Required
Gates Sonic Belt Tension Meter, Model 508C
l
3.0 mm hex driver or hex L wrench
l
2.5 mm hex driver or hex L wrench
l
2.0 mm hex ball driver or hex L wrench
l
Table 2-11: Re-Tensioning the J4 Stage 1 Timing Belt
Step
1.
Move the robot arm to a convenient height to allow access to the outer link of the robot.
2.
Turn off the robot power and remove the AC power cord.
Remove the foam side cover on the outer link and the foam bottom cover. These are attached with
3.
Velcro.
Remove the sheet metal bottom cover.
4.
For stage 1, loosen the (3) M4 clamping screws, and the locknut on the tension set screw, adjust
5.
tension per Appendix E: Belt Tensions, Gates Tension
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Tensioning or Replacing the Belts in the PFDD4
Action
Meter, and tighten the screws.
2. Service Procedures
28