Weller WRK - Manual (Page 5)

WRK 5-9
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A 1 B 1
5 Using the WRK
WRK operation during the component removal procedure is divided
into 3 steps:
1. Positioning the Vacuum Pick-up tool
2. Preparing for Component Pick-up
3. Reflow and Removal of the component
5.1 Positioning the Pick-up
The component to be reworked must be at least .08 " , (2 mm)
smaller than the diameter of the reflow nozzle used, otherwise the
component may be damaged.
Z
Carefully position the large reflow nozzle (A1) or tripod with small
reflow nozzle (B1) with the vacuum pick-up tool over the
component and center the component within the nozzle.