TM 10-7310-241-12&P Change 1     4-21 4-16.  REPAIR OF CONTROL PANEL ASSEMBLY FOR MODEL RAK-15 (Continued) d.  Installation of Toggle Switch.                 (1)   Using the keyway (22) to ensure correct positioning, insert toggle switch (12) into the control panel                     (1) then install switch gasket (21), switch guard (20) and washer (19) in that order.         CAUTION DAMAGE TO LOCK NUT.  In step (2), use standard hand tools to install the lock nut (18) and only tighten with sufficient torque to ensure that the switch (12) is held firmly in position.  The application of excessive torque can result in damage to the threads on the switch (12) and/or the lock nut (18). (2)   Install and tighten the lock nut (18). (3)   Reconnect switch connector (13) to connector CONN 2 (14) on the PCB (11). e.  Installation of Control Panel.          NOTE Ensure that the control panel (1) is complete with gasket (4), and mounting screws (2) before installing. (1)  Reconnect the overheat sensor/boil-dry sensor connector (9) to connector CONN 1 (10) on the PCB       (11). (2)  Reconnect 03 and 06 heater power supply wires (6) to connectors P2 (7) and P4 (8) respectively on       the PCB (11). (3)  Locate control panel (1) on the main case (3) and position such that it is orientated as illustrated with                  the four mounting holes correctly aligned. CAUTION DAMAGE TO SCREWS.  In step (4), use standard hand tools to install the screws (2) and only tighten with sufficient torque to ensure that the control panel (1) is held firmly in position.  The application of excessive torque can result in damage to the screws (2).   (4)    Install and tighten four mounting screws (2). 4-16.1  REPLACMENT OF THE CONTROL PANEL ASSEMBLY FOR MODEL 471012 This task covers:    a.    Removing the Control Panel.                               b.    Inspecting the Switch.   c.    Testing the Switch. d.    Repairing the Switch. e. Replacing the Switch. f. Installing the Switch.