Ametek has successfully incorporated its new patented "Eternity Brush" design into a 5.7-inch diameter bypass motor. The 120-volt version is the Model 122315-18. The "Eternity" Brushes are longer and curved to provide 1500 to 2000 hours life from one set of brushes.
The fan diameter of the 122315-18 is the same as the standard brush motors, to fit in any car wash vacuum unit. The overall height is about 1/2" taller than the standard motor. This new "Eternity" Brush motor design also incorporates a new bearing protection scheme that was introduced in the 6.6 and 8.4 designs. The fan-end bearing is relocated from the bottom bracket to an area above the cooling fan. Labyrinth seals are used to keep moisture from the fan-system from reaching the bottom bearing. Motor bearings are protected and bearing life improved, in the event a car wash customer decides to vacuum liquid from his car, truck or boat. Specifications:
2 stage 5.7" diameter
"Eternity" brush system - up to twice the brush life!