Install The Trolley - LiftMaster MERIK SECURITY+ 790LMK Manual Del Propietário

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 rail, the bolts
and nuts were attached from the wrong side and must be
repositioned. Review Assembly Step 1.
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 rail, the bolts
and nuts were attached from the wrong side and must be
repositioned. Review Assembly Step 1.
Temporary Stop
Temporary Stop
Screwdriver
Screwdriver
Hex Bolt
Hex Bolt
5/16"-18x7/8"
5/16"-18x7/8"
Hex Bolt
Hex Bolt
Trolley Stop
Trolley Stop
Lock Washer
Lock Washer
5/16"
5/16"
Nut
Inner Nut
5/16"-18
5/16"-18
Lock Washer
Lock Washer
5/16"
5/16"
Outer Nut Outer Nut
5/16"
5/16"-18
Trolley
Trolley
HARDWARE SHOWN ACTUAL SIZE
Hex Bolt Hex Bolt
5/16"-18x7/8"
5/16"-18x7/8"
Inner Nut
Inner Nut
5/16"-18
5/16"
Outer Nut
Outer Nut
5/16"-18
5/16"
11
HARDWARE SHOWN ACTUAL SIZE
Lock Washer
Lock Washer
5/16"
5/16"
Inner Nut Inner Nut
5/16"-18 5/16"
Trolley
Trolley
Threaded
Threaded
Shaft
Shaft
Nut Lockwasher
Lock Washer
Nut 5/16"-18
5/16"-18 5/16"
5/16"
Trolley
Trolley
Threaded
Threaded
Shaft
Shaft
Lock Washer
Lock Washer
Lock Washer
5/16"
5/16"
5/16"
Chain Sprocket
Chain Pulley
Bracket
Bracket
Nut
Nut
5/16"-18
5/16"-18