Brooks PreciseFlex 400 - Adjusting the Gripper Brake (for Grippers with Brake)

Brooks Automation 7. Service Procedures
Part Number: PF40-DI-00010 Rev. A Adjusting the Gripper Brake (for Grippers with Brake)
Figure 7-8: Gripper Racks Centered in Fully Open Position
Adjusting the Gripper Brake (for Grippers with Brake)
Tools Required:
l
1.3 mm hex driver
l
5.5 mm open end wrench
l
Loctite 222
Spare Parts Required: none
To adjust the gripper brake, perform the following procedure:
Step Action
1.
Remove the Gripper Cover by removing the (6) M2 X 6 mm FHCS.
2.
Energize the brake to activate the solenoid to release the brake.
3.
Check the clearance between the brake shoe and the finger mount brake surface. This clearance
should be between .1 mm (.004 in) and .25 mm (.010 in), and the gripper fingers should slide freely.
4.
If necessary, use a 5.5 mm open end wrench to adjust the M3 X 6 mm hex head screw that adjusts the
brake backlash. This screw should be backed out 2 mm, Loctite 222 applied to the screw threads, and
then screwed back in to the brake lever to set the brake clearance.
5.
Make sure the brake pad is held up in the brake notch in the gripper wall and engage the brake.
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