Genuine OEM KITCHENAID Dryer Timer 3398139B or 3398139 B FSP
Here are the general steps:
1. **Safety First**: Unplug the dryer to ensure safety during the installation process.
2. **Access the Timer**: Remove the back panel of the dryer to access the timer.
3. **Disconnect Wires**: Take a picture of the current wire configuration or make a note of it. Then, carefully disconnect the wires from the old timer.
4. **Remove Old Timer**: Unscrew or unclip the old timer and remove it from the control panel.
5. **Install New Timer**: Place the new timer in position and secure it by screwing or clipping it into place.
6. **Connect Wires**: Reconnect the wires to the new timer following the notes or picture taken earlier.
7. **Reassemble and Test**: Put the back panel back on and plug in the dryer. Test the new timer to ensure it's functioning correctly.
Always prioritize safety and, if unsure, consider consulting a professional for the installation.