04_SM481_Service Manual Head.pdf - 第38页

Advance d High Speed Flex i ble Mounter 4-34 3. Un scr ew the fixing b ol ts securing the c ove r using a he x wren c h and remove it. 4. When r eplacing the sensor , unscrew the fixing bol t s s ecuring the senso r a nd…

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

Head

4-35

6. Unscrew the fixing bolts securing the plate of R-axis motor using a hex wrench and remove it.

7. When replacing the timing belt, replace the belt with a new one.

Reference



The part number of the new

belt

J66021183A

 Measure the tension of the timing belt at the center by using

the unitta measuring device. (Standard value: 409~467 Hz)

 Assemble the motor in the reverse order of disassembling.

8. When replacing the motor, proceed with the next steps continuously.

9. Unscrew the set screw securing the pulley using a hex wrench and remove it.

Measurement

position