User Guide

Mounting Procedure:
Brush Assembly Detail:
A 990 Mandrel with four 3M SR radial bristle discs.
• Note directional arrows are molded into product.
Mandr
els for the 2" and 3" SR Radial Bristle Discs:
UPC# 048011-14915-8 1 Roloc + Holder 1 (2 to 4 discs*)
1 Roloc + Button 7
UPC# 048011-15012-3 3M™ Mandrel No. 990 (2 to 3 discs*, silver button)
(4 to 6 discs*, black button)
UPC# 048011-16847-0 3M™ Mandrel No. 991 (5 to 8 discs*, silver button)
(8 to 12 discs*, black button)
*Discs must be interlocked together