Motor Control Circuit Board - Graco Magnum XR9

• Magnum XR 9 - 232750

Installation Instructions

Disassembly

1. Unplug electrical cord, and relieve pressure.
2. 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.
3. Disconnect motor harness and electrical cord and Power switch leads from control board.
4. Remove screw that mounts control board, and pull control board 2 in. (50 mm) back from drive housing.
5. 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

1. Connect pressure control harness to new control board connector.
2. Install new control board on drive housing, and tighten control board mounting screw.
3. Connect electrical cord and Power switch leads and motor harness to control board.
4. Replace right enclosure, and tighten enclosure mounting screws.