Yellow Jacket 93047 Ritchie Pump Drive Coupling

My vacuum pump original coupling finally let go. This was a nice quality and quick to install replacement and took about 20 minutes to change! Now its back in action.

The quality and value.

Yellow Jacket is a good product BUT when repairing a vacuum pump, you typically need both pieces shown. Unfortunately what ships is one piece, so I returned it and used a less expensive one piece plastic sleeve which fits over both drive ends. I would have preferred the metal Yellow Jacket sleeves but the plastic will last for a few years

This unit fixed my Yellow Jacket Vacuum Pump and it is a real Love Joy coupler! Only thing I gave up was the sheer of the coupler is the pump froze up however the motor thermal overload will keep it safe. This is a far superior coupler than the Lexan Unit that came with the unit

My older Yellow Jacket vacuum pump stripped out the existing drive coupling. The original design was fairly poor. A plastic (or similar material) bushing connected the motor drive to the pump drive via small ridges on the inside of the bushing which lined up with ridges on the drives. Excessive heat, age or both caused the plastic to warp and crack which resulted in no more vacuum pump. I was very happy to see this kit. It replaces both the drive connections and replaces the cheesy plastic bushing with a much more positive and robust connection/locking system. Hard to describe unless you see it, but reminds me of Tetris :)

Better than factory part

Product was as described. Quick shipping. Perfect fit, easy install.

thanks

Buy this updated part from Yellow jacket. The original part (same part number) is a plastic/rubber sleeve that goes around the two shafts. Really poor design but nice to see Yellow Jacket step up and update the design and at a very reasonable price. If you have the sleeve type, replace it sooner rather than later. How do you know the sleeve type failed. It is the quietest electric motor and the pump is dead silent.

My yellow jacket 6cfm pumps works again.