04_SM481_Service Manual Head.pdf - 第35页
Head 4-31 5. Un scr ew the set screw s ec ur ing the pulley using a he x w r e nch and r emove i t . 6. Remove t he mo t or . 7. Re plac e the motor wi t h a ne w one . Referen ce The part number of t h e new motor i s J…

Advanced High Speed Flexible Mounter
4-30
4.6. Swing Motor / Swing Timing Belt
4.6.1. Required tools
T Wrench (other tools supplied) or Hex Wrench
Tension gage
4.6.2. Motor replacement procedure
1. Manipulate the teaching box to move the head module to the front.
2. Close the PC as usual and turn off the main switch at the front of the machine.
3. Remove the cable connected to the motor.
4. Unscrew the fixing bolts securing the motor using a hex wrench and remove it.
Motor
Belt
Motor

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