Athearn GP7/9 Rubber Band Drive Chassis Overhaul & Test Run

This video is of an Athearn GP7/9 rubber band drive chassis.
The old rubber bands needed replacing and a thorough cleaning of the chassis, wheels and motor.
Correction: I mention in the video that the RDC (Rail Diesel Car) has an identical drive system but solid rods, which is not accurate. Instead of a rubber or plastic sleeve connecting motor shaft to drive shaft, the RDC has a plastic knuckle. What does make it easier to install drive bands it the drive shaft rests in a fork instead of going through a hole like the eye of a needle. This allows you to just lift up the bands and feed the drive rod through and hook it up on the fork when the bands are in place.
Stay tuned for an upcoming video where I clean up a Santa Fe RDC and notice the difference or similarities in drive shaft connection.