KitchenAid Architect Series KEMC308KSS Electric Double Oven "leisure cooker oven door" Questions

loose door handle to leisure electric cooker ref grb6vc how do I tighten up the door handle to the main oven HOW TO REPLACE DOOR HINGES ON KITCHENAID WHIRLPOOL OVEN HERE YOU WILL SEE HOW ITS DONE

...leisure gas cooker After igniting the oven and small flames are seen as usual, when you shut the oven door the flames don't increase to high anymore..even though the gas knob is on full Where can ...