Brooks PreciseFlex 400 - Tensioning the J1 (Z Column) Belts; Tensioning the 1 St Stage Belt

7. Service Procedures (Undefined variable: MyVariables.ProductName)
Tensioning the J1 (Z Column) Belts Part Number: PF40-DI-00010 Rev. A
Tensioning the J1 (Z Column) Belts
Tensioning the 1
st
Stage Belt
Electrical Shock
Before tensioning the timing belts or replacing any motors, the AC power should be
disconnected. Removing the front cover allows access to the AC power terminals.
Tools Required:
l
3.0 mm hex driver or hex L wrench
Step Action
1.
Turn off robot power and remove the AC power cord.
2.
Remove the Top Plate of the robot by removing the (4) M5 socket head screws from the top plate of
the robot that attach the top plate to the Z column. Lift up the Top Plate.
3.
Remove the Front Cover by lifting it out vertically.
4.
Loosen the (2) M4 locking screws on the J1 Motor Mount Bracket to allow the Mount Bracket to slide
up and down.
5.
Adjust the M4 Tension Screw compressing the spring assembly. The tension spring should be
compressed until the spring length is 5.5 mm under the washer.
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