8assemblywArningDo not perform maintenance or assembly procdures with engine running.Tools Required: 4 & 5 mm Hex WrenchParts Required: ProSweep Gear Housing, Lower Drive Shaft Assembly,PAS or SRM-SB Power Head w/Shaft & Coupling.prosweep gear housIng assembly to lowerCAB___ 1 - Brushes / Gear Housing Assembly___ 1 - Lower Drive Shaft Assembly___ 1 - Operators Manual___ 1 - Warranty Registration Card___ 1 - Storage Hook AssemblycontentsAfter opening the carton, check for damage. Immediately notify your retailer or ECHO Dealer of damaged or missingparts. Use the contents list to check for missing parts.drIve shaft assembly1. Remove vinyl caps from attachment drive shaft.2. Place brush gear housing assembly on a flat surface with gearhousing shaft mount at 45° angle.3. Remove gear housing locator screw (A) with 4 mm hex wrench.4. Loosen gear housing mounting bolt (B) with 5 mm hex wrench.5. Position lower drive shaft (end without serial number decal) intogear housing shaft mount.6. 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 locator screw (A).7. Tighten gear housing mounting bolt (B).