11. Identify the rai! sections (Fig. 1-1).• First rail section (attaches to power head).- 2 holes each end.- Half-circle notch 1 end.- Motor end has no notch.• Middle rail section.- 2 holes & half-circle notch each end.• End rail section (attaches to door).- Has 4 holes on door end.2. Arrange arrows on rail sections.• Sections have arrows stamped into one side.- Aim all arrows toward door. (Fig. 1-2)ex_ensFon on an _ foot h_yh doox_ _f_;_ t_f:_theMiddle3. Attach rail clamps to rail (Fig. 1-3).• Use pair of clamps at both joints.- Fasten each pair with 4 bolts (9) and nuts(10).- Check rail sections aligned and level.- Securely tighten bolts and nuts.[9] 114''-20x 518" @[10] 1/4"-204. Attach rail strap (Fig. 1-4).• Place rail strap against rail so that projection onstrap mates with second hole from end of rail.- Place 2 bolts (9) through rail strap and rail.- Ignore fourth hole. (See NOTE)- Securely tighten bolts and nuts (10).cxUf:,nsFon kF Ff neede&