LiftMaster J door operator - Manual (Page 7)

7
TROLLEY
Assembly - Trolley
1
2
4
5
3
6
ASSEMBLE THE OPERATOR (MODELS T AND GT)
ASSEMBLY
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 fl ange 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).
HARDWARE
Bolt 3/8"-16 x 3/4"
Bolt 3/8"-16 x 1"
Take Up Bolt
Lock Washer 3/8" Hex Nut 3/8"-16
Flange Hex Nut
3/8"-16
A B
C
D E
F