99944200563 ASSEMBLYX7702093505 13© 09/2013 ECHO Inc.3. Install J-Handle assembly with handle grip on the left side(viewed from the operator's position) onto the upper driveshaft. Lightly snug bolts (A) to temporarily hold handle inplace.Power Head Shaft/Lower Shaft Assembly1. Set Power Head/Shaft Assembly on a level surface.2. Pull locator pin (A) out, and turn counter-clockwise 1/4 turnto lock-out position.3. Remove vinyl cap from attachment drive shaft.4. Remove cardboard spacer, if necessary.5. Carefully fit attachment drive shaft assembly into coupler (B)to decal assembly line (C), making sure that the inner lowerdrive shaft engages into the square upper drive shaft socket.Note: Earlier model Power Heads may have shorter couplings.Short couplings fit flush to decal point (E). New couplingsare 4-3/4 in. long, and fit flush to line (C).6. Rotate locator pin (A) 1/4 turn clockwise to engage lowershaft hole. Insure locator pin is fully engaged by twistinglower drive shaft. Locator pin should snap flush in coupler.Full engagement will prevent further shaft rotation.7. Secure lower shaft assembly to coupler by tighteningclamping knob (D).Parts Required: PAS or SRM-SB Power Head w/Shaft &Coupling.AABDECCD