ProSweeP AttAchmentoPerAtor'S mAnuAl 91. Turn gear housing assembly over so that gear housing mountingbolt (E) faces upward.2. Pull locator pin (A) out, and turn counter-clockwise 1/4 turn tolock-out position.CAUTIONThrown objects hazard. Install lower drive shaft so that gear hous-ing mounting bolt (E) faces upwards. Otherwise debris will bethrown toward user.3. Remove cardboard spacer from coupler, if necessary.4. Carefully fit attachment drive shaft assembly into coupler (B) todecal assembly line (C), making sure that the inner lower driveshaft engages upper drive shaft mount.NOTEShort couplings fit flush to decal point (F). Long couplings are4-3/4 in. long, and fit flush to line (C).5. Rotate locator pin (A) 1/4 turn clockwise to engage lower shafthole. Insure locator pin is fully engaged by twisting lower driveshaft. Locator pin should snap flush in coupler. Full engagementwill prevent further shaft rotation.6. Secure lower shaft assembly to coupler by tightening clampingknob (D).ABDCFDBEApower head shaft/lower shaft assembly