How to quickly install a DC300 tension band

Since I've never seen this described anywhere Older carts are easy, the reels and roller are held in place, the later ones are not since the cover holds them down. Assuming you're right-handed: Put the cart on a table so the capstan roller is to your left Take the band and place it on the capstan roller, pull it taught with your right index finger and snake it between the two reels. Put your thumb on the bottom reel (the one that normally has little tape on it) your pinky or next-over finger on the capstan roller and index finder on the other reel. Rotate one of the reels so the tape is tight, and apply pressure with all three fingers to keep the tape tight. Place the band across the bottom of the reel which has the most tape on it (depending on if the tape was at the load point), by moving your index finger towards the appropriate bottom white band roller. Make sure the band across the bottom of the tape is near the center of the tape roll (you don't want it popping over or under the reel in the next step). Now, you tighten the belt. This is the tricky part. The band really wants to go under one of the reels as you do this. Place the band around the white roller closest to the supply reel, making sure that the roller doesn't move upwards on the pin. Bring it over to the other roller apply tension and pop it on. Hopefully, the band hasn't popped under something as you do this. The most often thing that happens is the band goes under the capstan roller or the supply reel. Now, the belt is on, but there is some slack in the tape. Take the band across the reel having the least amount of tape and move it away from the reel, releasing the tension on it. Spin the reel to take up the tape slack, and release the band. The things I had the hardest time with were the rollers moving up and down, and thinking of a simple way to tension the tape; move the band away.. duh..