so where do i find a manual that shows me where those parts are? have been hunting the net but not finding much. any idea about what those parts might run?

i have an electric furnace that once it gets the house to around 70* and goes off. when it cycles back on it will only run for a second or two and then shut off. it will continue this until you actually turn the heater off at the thermostat or the breaker. the landlord had a guy come out and thought...