Control Board Replacement Kits for Magnum XR Series Airless Sprayers MAGNUM XR5, Model 232740, Series A 0.24 gpm (0.91 lpm) stand-mount sprayer, 25 ft (7.6 m) hose, and SG1 spray gun with reversible spray tip and tip guard 2800 psi (19 MPa, 193 bar) Maximum Working Pressure MAGNUM XR7, Model 232745, Series A 0.31 gpm (1.17 lpm) sprayer on heavy-duty cart, 50 ft (15.2 m) hose, and SG2 metal spray gun with reversible spray tip and tip guard3000 psi (21 MPa, 207 bar) Maximum Working Pressure Disassembly Unplug electrical cord, and relieve pressure. Remove enclosure mounting screws, and pull right enclosure away from drive housing. Take care to not pull on the leads from the electrical cord and the Power switch. Disconnect motor harness and electrical cord and Power switch leads from control board. Remove screw that mounts control board, and pull control board 2 in. (50 mm) back from drive housing. Disconnect pressure control harness from connector on front of control board. Using fingernail or tip of small, flat-blade screwdriver, press tab on right side of connector to release. Installation Connect pressure control harness to new control board connector. Install new control board on drive housing, and tighten control board mounting screw. Connect electrical cord and Power switch leads and motor harness to control board. Replace right enclosure, and tighten enclosure mounting screws.
