Unplug the power cord from the electrical outlet. Turn off the gas supply leading to the oven.
Open the oven door. Slide out the oven racks all the way to remove them.
Partially close the door until it stops in the broil position. Grasp the sides of the oven door. Lift the door upward to remove it from the hinges.
Remove the six screws around the edges of the convection fan cover on the rear inside panel. Lift off the fan cover.
Pull the locking tabs at the back of the bottom panel toward the front of the oven to unhook them. Raise the back of the bottom panel. Slide the panel forward to remove it.
Unplug the wire connectors leading to the ignitor on the underside of the gas line toward the rear of the Maytag oven.
Remove the screws holding the ignitor in place. Lift the old ignitor out of the oven.
Position the new ignitor onto the gas line. Install the screws that hold it in place. Plug the electrical connectors into the ignitor.
Replace the bottom panel. Press the locking tabs into place at the rear of the panel.
Replace the fan cover. Install the six screws that secure it to the oven cabinet.
Slide the oven door back onto its hinges.