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Figure 24:
Three vertical setscrews on the alignment apparatus
8-3.1 X Correction
Refer to Figure 24
1) Loosen the top 2 setscrews facing the front of the alignment
apparatus.
2) Lightly press right over the vacuum pick to suck the PCB.
3) Turn the “Z” knob right or left to meet the parallel face of the
vacuum pick nozzle and the PCB. When parallel, the vacuum
noise will be low.
4) Retighten the 2 setscrews while maintaining light pressure over the
vacuum pick assembly.
8-3.2 Y Correction
Refer to Figure 24
1) Loosen the bottom setscrew facing the front of the alignment
apparatus.
2) Lightly press right over the vacuum pick to suck the PCB.
3) Turn the “Z” knob right of left to meet the parallel face of the
vacuum pick nozzle and the PCB. When parallel, the vacuum
noise will be low.
4) Retighten the bottom setscrew while maintaining light pressure over
the vacuum pick assembly.
8-4
Reflow Head Planarity Alignment
When lowered and properly aligned, the nozzle on the reflow head
should land flush with the PCB. Errors in reflow head planarity (both X
and Y aspects) can be corrected by performing the following
alignment.
8-4.1
X Correction
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