LUBRICATION 99944200553
20 X7702093407
© 1/2017 ECHO Inc.
7. Align hole in drive shaft housing 
with gear housing shaft hole 
(C), and seat lower drive shaft 
end into gear housing shaft 
mount. Install and tighten 
locater screw (A).
8. Tighten gear housing mounting 
bolt (B).
Brush Replacement
Level 1.
Brushes that are broken off, deformed, or worn to within 25.4 mm (1 in.) of 
the brush holder drum should be replaced for best sweeping efficiency.
1. Locate brush holder access 
hole (A) near outer drum end.
Parts Required: Standard Brush Assembly - P/N 99944200551 QTY (2). 
Optional Brush Assembly - P/N 25020225661 QTY (2).