Brooks Automation 7. Service Procedures
Part Number: PF40-DI-00010 Rev. A Tensioning the J3 and J4 Belts (2014)
Tensioning the J3 and J4 Belts (2014)
In 2014 the access hatches shown below were added to both the inner and outer links to facilitate
belt tensioning. Once the hatch cover is removed, loosen the appropriate motor locking screws one
turn to unclamp the motor.
NOTE: Do not loosen these screws more than one or two turns or the retaining nuts
can fall off inside the link.
To tension the J3 and J4 belts (2014), perform the following procedure:
Step Action
1.
Insert the microphone from the belt tension meter near the belt to measure belt tension and adjust the
M4 SHCS to adjust belt tension. Be sure to measure the belt tension eight times, at 45 increments of
the pulley in the axis rotation and set the tension at the position that has the lowest tension.
2.
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