Printed Circuit Board (PCB) Sprayer Machine - Instructions

Instructions to build can be found at This video outlines how to operate the machine. Procedure For Running PCB Machine 1) Check all tubing and connections for any leaks, ruptures or loose connections. 2) Insert water hose into quick connect. 3) Insert drain tube into drain line and place other end into bucket or other drain source. 4) Carefully pour etchant solution into tank. 5) Attach copper plates to be etched onto the PCB Holder. 6) Insert PCB Holder into tank. 7) Plug in Machine with GFCI adapter to outlet. 8) Turn on main power supply, 9) Turn on heater and set temperature set point on thermometer between 85-90 degrees 10) When temperature is reached, set timer to about 2 minutes (depends on your machine and thickness of copper) and turn on etchant pump. 11) Once timer is complete and copper is gone, turn off pump, move PCB holder into water tank, and turn on cleaning tank water.