04_SM481_Service Manual Head.pdf - 第36页

Advance d High Speed Flex i ble Mounter 4-32 4.6.3. Belt replace m en t proce dure 1. Remove t he motor refe rr ing to the m o t or remov al procedure . 2. Remove t he belt. 3. Re plac e the bel t wi t h a new one . Refe…

Head

4-31

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

6. Remove the motor.

7. Replace the motor with a new one.

Reference

The part number of the new motor is J31081057A

8. Assemble the motor in the reverse order of disassembling.

9. When assembling the belt, tighten the motor bracket slightly and adjust the tension value using

the slot.

Reference

Mea

sure the tension of the timing belt at the center by using the unitta

measuring device. (Standard value: 190~220Hz)

Pulley

Bracket

Isolation

Motor

6.5 mm

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