04_SM481_Service Manual Head.pdf - 第37页

Head 4-33 4.7. R-Axis Motor / Timing belt 4.7.1. Require d too ls  T W r en ch (othe r tools supplied ) or He x W r ench  T e n s ion gage  No zzle H older Setting Jig 4.7.2. R-Axis Motor/T iming belt/Sensor replaceme…

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Advanced High Speed Flexible Mounter
4-32
4.6.3. Belt replacement procedure
1. Remove the motor referring to the motor removal procedure.
2. Remove the belt.
3. Replace the belt with a new one.
Reference
The part number of the new belt is J6602078A
4. Assemble the belt in the reverse order of disassembling.
5. When assembling the belt, tighten the motor bracket slightly and adjust the tension value using
the slot.
Reference
Measure the tension of the timing belt at the center by using the unitta
measuring device. (Standard value: 190~220Hz)
Belt
Head
4-33
4.7. R-Axis Motor / Timing belt
4.7.1. Required tools
T Wrench (other tools supplied) or Hex Wrench
Tension gage
Nozzle Holder Setting Jig
4.7.2. R-Axis Motor/Timing belt/Sensor replacement procedure
1. Remove the Outer B Board referring to the Outer B Board removal procedure.
2. Remove the Coaxial Illumination referring to the Coaxial Illumination removal procedure.
Motor
Belt
Advanced High Speed Flexible Mounter
4-34
3. Unscrew the fixing bolts securing the cover using a hex wrench and remove it.
4. When replacing the sensor, unscrew the fixing bolts securing the sensor and remove it.
5. Replace the sensor with a new one.
Reference
The part number of the new sensor is J32121021A.
Sensor