MN240-1 Rev C365.10 Circuit Breaker ReplacementCircuit Breaker RemovalTo remove the circuit breaker, follow the steps below:1. Set the unit’s ON/OFF switch to the OFF position and disconnect the powercord.2. Remove the left side panel.3. Cut the heat shrink to expose the circuit breakers leads.4. Disconnect the circuit breakers leads.5. Unscrew the circuit breaker while you apply pressure to the circuit breakerretaining ring.Circuit Breaker InstallationFollow the removal procedure for the circuit breaker in reverse order to install thenew circuit breaker. Wire connections on circuit breaker can be made to eitherterminal.5.11 ON/OFF Power Switch ReplacementON/OFF Power Switch RemovalTo remove the ON/OFF power switch, follow the steps below:1. Set the unit’s ON/OFF switch to the OFF position and disconnect the powercord.2. Remove both side panels and back panel.3. Cut the heat shrink to expose the ON/OFF switch’s leads.4. Disconnect the ON/OFF power switch’s leads.5. Push on the back of the power switch, while holding in its upper and lowerretaining tabs, and remove the switch through the front panel.ON/OFF Power Switch InstallationFollow the removal procedure for the ON/OFF power switch in reverse order toinstall a new power switch.1. Be sure to reinstall the new switch properly with the orientation of the OFFon the switch located on the bottom when finished.2. Same side wire connections of power switch can be made to either terminal.5.12 Buzzer Replacement1. Set the unit’s ON/OFF switch to the OFF position and disconnect the power cord.2. Remove the left side panel.3. Unscrew the two Phillips-head screws that hold the buzzer to the superstructure.4. Unplug the buzzer’s connection from the board.5. Plug in the new buzzer’s connection to the board.6. Screw the two Phillips-head screws that hold the new buzzer to the superstructure.7. Reconnect the side panel.