05_SM481_Service Manual Conveyor.pdf - 第12页

Advance d High Speed Flex i ble Mounter 5-8 Referen ce T e n s ion : 135 ± 10%Hz T e n s ion Gage : U-505 4. A ss em ble t he belt in t he reverse orde r of disassem b l ing. 5.2.6. Work PCB T ransfer Belt rep lace m en …

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Conveyor
5-7
4. Assemble the belt in the reverse order of disassembling.
5.2.5. Entry / Exit PCB Transfer Belt replacement procedure
1. Remove the timing belt by slightly loosening the idler.
2. Replace the belt with a new one.
Reference
The part number of the new belt is J66021017A
3. By adjusting the belt tension using a screw driver with a ‘-’ shaped tip, move the idler shaft to
the left and right through the conveyor frame rail and then adjust the tension.
Idler Shaft
Belt
Increase in the PCB
transfer belt tension
Reduction of PCB
transfer belt tension
Advanced High Speed Flexible Mounter
5-8
Reference
Tension : 135±10%Hz
Tension Gage : U-505
4. Assemble the belt in the reverse order of disassembling.
5.2.6. Work PCB Transfer Belt replacement procedure
1. Unscrew the fixing bolts securing the work PCB transfer belt using a hex wrench and remove
it.
2. Replace the belt with a new one.
Reference
The part number of the new belt is J66021018A
Measurement
position
Motor
Work PCB transfer
Conveyor
5-9
3. By adjusting the belt tension using a screw driver with a ‘-’ shaped tip, move the idler shaft to
the left and right through the conveyor frame rail and then adjust the tension.
Reference
Tension : 177±10%Hz
Tension Gage : U-505
4. Assemble the belt in the reverse order of disassembling.
Measurement
position
Increase in the PCB
transfer belt tension
Reduction of PCB
transfer belt tension