GRACO COLLET, IMPELLER (1.3 x 0.675 x 0.49 in) - (SKU: 186646) Regularly inspect piston cups for

Regularly inspect piston cups for wear or damage

16F291 (for Tradeworks 150/170 Series B)

Inspect the guide arm for any damage before installation

Clean the seating area before installing the new O-Ring

GRACO COLLET, IMPELLER (1.3 x 0.675 x 0.49 in) - (SKU: 186646) Regularly inspect piston cups forThe GRACO 186646 COLLET, IMPELLER is a precision engineered spare part designed for use in GRACO spray foam and industrial coating equipment. It is typically constructed from durable materials suitable for high performance applications, though the specific material is not specified in available sources. Its primary function is to secure and drive the impeller within the pump assembly, ensuring reliable operation in demanding environments such as