LiftMaster ATS ATS2113X Manual - Page 6

Assembly Step 1, Assembly Step 2 - trolley

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ASSEMBLY STEP 1 Attach the Rail to the Motor Unit To avoid installation difficulties, do not run the garage door opener until instructed to do so. • Place the opener on packing material to protect the cover. • Remove the (2) 5/16"-18x1/2" washered bolts mounted in the top of the motor unit. • Position rail at a 45° angle to opener so one hole in rail and motor unit line up. • Thread one of the washered bolts part way in. Use only these bolts! Use of any other bolts will cause serious damage to door opener. • Align rail over sprocket. Cut tape from rail. To avoid SERIOUS damage to opener, ONLY use bolts/fasteners mounted in top of motor unit. USE ONLY THIS TYPE AND SIZE BOLT Washered Bolt 5/16"-18x1/2" Chain Spreader Sprocket Rail ASSEMBLY STEP 2 Attach the Chain to the Sprocket and Install the Rail Support Bracket • Guide the chain over chain spreader and opener sprocket. If necessary, loosen the outer nut on the trolley to obtain more chain slack. Insert the second washered bolt. Use only the bolts previously removed from opener. • Tighten both bolts securely through the rail into the opener as shown. • Position the rail support bracket on the opener. • Attach the bracket to the rail with 1/4"-20x5/8" hex bolts and lock washers. DO NOT overtighten. • Attach the bracket to the opener by inserting a 5/16"-18x1/2" washered bolt through a hole in each side flange and a matching hole in the bracket. Complete the connection by inserting the #8-32x3/8" screw through the back flange and the hole in rail support. Chain Opener To avoid possible SERIOUS INJURY to fingers from moving garage door opener: • ALWAYS keep hand clear of sprocket while operating opener. • SECURELY attach rail support bracket BEFORE operating. Hex bolts with Lock Washers 1/4"-20x5/8" Washered Bolt 5/16"-18x1/2" Screw #8-32x3/8" Rail Support Bracket Washered Bolt 5/16"-18x1/2" Opener Back Flange Opener Side Flange Proceed to Assembly Step 3. HARDWARE SHOWN ACTUAL SIZE Hex Bolt 1/4"-20x5/8" Washered Bolt 5/16"-18x1/2" Lock Washer Screw #8-32x3/8" 6

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6
ASSEMBLY STEP 1
Attach the Rail to the Motor Unit
To avoid installation difficulties, do not run the garage
door opener until instructed to do so.
•
Place the opener on packing material to protect the
cover.
•
Remove the (2) 5/16"-18x1/2" washered bolts mounted
in the top of the motor unit.
•
Position rail at a
45° angle to opener so one hole in rail
and motor unit line up.
•
Thread one of the washered bolts part way in.
Use only these bolts! Use of any other bolts will cause
serious damage to door opener.
•
Align rail over sprocket. Cut tape from rail.
To avoid SERIOUS damage to opener, ONLY use
bolts/fasteners mounted in top of motor unit.
ASSEMBLY STEP 2
Attach the Chain to the Sprocket and
Install the Rail Support Bracket
•
Guide the chain over chain spreader and opener
sprocket. If necessary, loosen the outer nut on the
trolley to obtain more chain slack. Insert the second
washered bolt.
Use only the bolts previously removed
from opener.
•
Tighten both bolts securely through the rail into the
opener as shown.
•
Position the rail support bracket on the opener.
•
Attach the bracket to the rail with 1/4"-20x5/8" hex
bolts and lock washers.
DO NOT overtighten.
•
Attach the bracket to the opener by inserting a
5/16"-18x1/2" washered bolt through a hole in each
side flange and a matching hole in the bracket.
Complete the connection by inserting the #8-32x3/8"
screw through the back flange and the hole in rail
support.
Proceed to Assembly Step 3.
To avoid possible SERIOUS INJURY to fingers from
moving garage door opener:
•
ALWAYS keep hand clear of sprocket while operating
opener.
•
SECURELY attach rail support bracket BEFORE
operating.
HARDWARE SHOWN ACTUAL SIZE
Hex Bolt
1/4"-20x5/8"
Washered Bolt
5/16"-18x1/2"
Lock
Washer
Screw
#8-32x3/8"
Opener
Opener Side
Flange
Opener Back
Flange
Washered Bolt
5/16"-18x1/2"
Screw
#8-32x3/8"
Hex bolts with Lock
Washers 1/4"-20x5/8"
Washered Bolt
5/16"-18x1/2"
Rail Support
Bracket
Washered Bolt
5/16"-18x1/2"
Chain
Spreader
Sprocket
Rail
Chain
USE ONLY THIS
TYPE AND SIZE
BOLT