ProSweeP AttAchmentoPerAtor'S mAnuAl 712341. BRUSHES - Permanently attached to drum holders and come standard with 0.5 mm (0.018 in.) diameter nylonbristles. Optional .7 mm (0.028 in.) diameter brushes are available for fine material sweeping application.2. LOWER DRIVE SHAFT ASSEMBLy - Included separately in the carton and must be assembled to the ProSweep/ gear housing assembly. Contains flexible drive cable, outer shaft housing and safety decal.3. FLEXIBLE DRIVE CABLE - Cable end fits into drive shaft coupler of Pro Attachment Series or Split Boom mod-els. Lubricate drive cable every 25 hours with high temperature automotive grease.4. BRUSH GEAR HOUSING ASSEMBLy - Brushes come pre-assembled to the gear housing in the carton. Brushesrotate towards the operator viewed from the operators position.descrIptIonLocate this safety decal on your attachment. Make sure the decal is legible and that you understand and follow theinstructions on it. If it cannot be read, a new one can be ordered from your ECHO dealer. See PARTS ORDERINGinstructions for specific information.P/n 89016025560