Chamberlain 1220E FS2 - Manual (Page 11)

11
ASSEMBLY STEP 2
For Sectional and
One-Piece Doors Only
Install the Trolley
• Attach the trolley threaded shaft to the trolley with
the lock washer and nuts as shown.
• As a temporary stop, insert a screwdriver into the
hole in the front end of the T-rail.
• Slide the trolley assembly along the rail to the
screwdriver stop.
NOTE: If trolley hits against any nuts on the T-rail,
the bolts and nuts were attached from the wrong
side and must be repositioned. Review Assembly
Step 1.
Trolley
Threaded
Shaft
Lock Washer
5/16"
Outer Nut
5/16"
Inner Nut
5/16"
Trolley
Temporary Stop
Screwdriver TO GA RA GE DO OR
Lock Washer
5/16" Nut
5/16"-18
HARDWARE SHOWN ACTUAL SIZE
Outer Nut
5/16"
Trolley
Threaded
Shaft
Lock Washer
5/16"
Inner Nut
5/16"
TO GARAGE DOOR
Hex Bolt
Trolley Stop
Hex Bolt
5/16"-18x7/8"
Nut
5/16"-18
Lock Washer
5/16"
Chain Pulley
Bracket
Nut
5/16"-18 Lockwasher
5/16" Hex Bolt
5/16"-18x7/8"
HARDWARE SHOWN ACTUAL SIZE ASSEMBLY STEP 2
For Sliding and
Swinging Gates Only
Install the Trolley
• Attach the trolley threaded shaft to the trolley with
the lock washer and nuts as shown.
• Insert a hex bolt into the hole in the front end of
the T-rail.
• Slide the trolley assembly along the rail until it
rests against the hex bolt (trolley stop).
NOTE: If trolley hits against any nuts on the
T-rail, the bolts and nuts were attached from the
wrong side and must be repositioned. Review
Assembly Step 1.