James L Hubert , NC January 11, 2015 Appliance: Maytag Trash Compactor MTUC7000AWS0 Maytag Compactor Mtuc7000aws0: Compactor carriage traveled to bottom but would not return to top although motor would run. How to replace Drive Gear Kit. I removed the bottom access plate to look at the drive mechanism and check the chain and gears. I confirmed the bigger drive gear was broken in three pieces. Once I replaced the gear and adjusted the distance between the two gears (which is really close to prevent the gears from losing contact and stripping them) it works great. 28 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes