LiftMaster GH GT- Logic 4 Installation Manual - Page 7

TROLLEY ASSEMBLY ASSEMBLE THE OPERATOR (MODELS T AND GT) NOTE: For Model APT assembly refer to page 9. 1 Install the track spacers evenly over the length of the track. Fasten the spacers to the track with bolt (A) and flange hex nuts (B). 2 Install the front idler to the track with bolts (F) and washers (D). 3 Assemble the trolley with the take up bolt (C), hex nuts (E), and lock washer (D). 4 Slide the trolley onto the track. 5 Insert bolts (A) into the end of the track and loosely thread the nuts (B) onto the ends of the bolts. 6 Slide bolts (A) on the end of the track assembly into the "L" slot in the operator and tighten nuts (B). Insert bolts (A) into the holes on the end of the track and the operator. Secure the track with nuts (B). 1 HARDWARE A Bolt 3/8"-16 x 3/4" B Flange Hex Nut 3/8"-16 C Take Up Bolt D E Lock Washer 3/8" Hex Nut 3/8"-16 F Bolt 3/8"-16 x 1" 2 5 3 6 4 7 Assembly - Trolley