LiftMaster 81602MC Owners Manual - English French Spanish - Page 18

Connect the Door Arm to the Trolley, T-Rail, Square Rail

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Installation 9 Connect the Door Arm to the Trolley IMPORTANT: The groove on the straight door arm MUST face away from the curved door arm. 1. T-Rail: Close the door. Disconnect the trolley by pulling the emergency release handle. Slide the outer trolley back (away from the door) about 2" (5 cm). Square Rail: Close the door. Disconnect the trolley by pulling the emergency release handle. 2. Attach the straight door arm to the outer trolley using the clevis pin. Attach with the ring fastener. 3. Attach the curved door arm to the door bracket using the clevis pin. Attach with the ring fastener. 4. Align the straight door arm with the curved door arm. Select two aligned holes (as far apart as possible) and attach using the bolts, nuts and lock washers. NOTE: If the holes do not line up, reverse the straight door arm. Select two aligned holes (as far apart as possible) and attach using the bolts, nuts and lock washers. 5. Pull the emergency release handle toward the garage door opener until the trolley release arm is horizontal. The trolley will re-engage automatically when the garage door opener is activated. HARDWARE FOR T-RAIL Ring Fastener Nut 5/16"-18 Lock Washer 5/16" Clevis Pin 5/16" x 1" FOR SQUARE RAIL Hex Bolt 5/16"-18 x 7/8" Clevis Pin 5/16" x 1-1/4" Hex Bolt 5/16"-18 x 7/8" Lock Washer 5/16" Clevis Pin 5/16" x 1-1/4" Nut 5/16"-18 Ring Fastener Clevis Pin 5/16" x 1" Ring Fastener Lock Washer Nut Clevis Pin 5/16"x1" Straight Door Arm (Groove facing out) Curved Door Arm CORRECT Straight Door Arm Curved Door Arm INCORRECT Clevis Pin 5/16"x1-1/4" Hex Bolt Unattended Operation The Timer-to-Close (TTC) feature, the myQ® App, and myQ® Garage Door and Gate Monitor are examples of unattended close and are to be used ONLY with sectional doors. Any device or feature that allows the door to close without being in the line of sight of the door is considered unattended close. The Timer-to-Close (TTC) feature, the myQ® App, and any other myQ® devices are to be used ONLY with sectional doors. 18

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18
Installation
9 Connect the Door Arm to the Trolley
IMPORTANT:
The groove on the straight door arm MUST face away from the curved door arm.
1.
T-Rail
: Close the door. Disconnect the trolley by pulling the emergency release handle.
Slide the outer trolley back (away from the door) about 2" (5 cm).
Square Rail:
Close the door. Disconnect the trolley by pulling the emergency release
handle.
2.
Attach the straight door arm to the outer trolley using the clevis pin. Attach with the ring
fastener.
3.
Attach the curved door arm to the door bracket using the clevis pin. Attach with the ring
fastener.
4.
Align the straight door arm with the curved door arm. Select two aligned holes (as far apart
as possible) and attach using the bolts, nuts and lock washers.
NOTE:
If the holes do not line up, reverse the straight door arm. Select two aligned holes (as
far apart as possible) and attach using the bolts, nuts and lock washers.
5.
Pull the emergency release handle toward the garage door opener until the trolley release
arm is horizontal. The trolley will re-engage automatically when the garage door opener is
activated.
(Groove
facing out)
CORRECT
Straight
Door Arm
Straight
Door Arm
Curved
Door
Arm
Curved
Door
Arm
INCORRECT
HARDWARE
Hex Bolt 5/16"-18 x 7/8"
Nut 5/16"-18
Lock Washer 5/16"
Clevis Pin 5/16" x 1"
Clevis Pin 5/16" x 1-1/4"
Ring Fastener
FOR T-RAIL
FOR SQUARE RAIL
Clevis Pin 5/16" x 1-1/4"
Ring Fastener
Clevis Pin
5/16" x 1"
Nut 5/16"-18
Lock
Washer
5/16"
Hex Bolt
5/16"-18 x 7/8"
Lock Washer
Nut
Hex Bolt
Clevis Pin
5/16"x1-1/4"
Ring Fastener
Clevis Pin
5/16"x1"
Unattended Operation
The Timer-to-Close (TTC) feature, the myQ® App, and myQ® Garage Door and Gate Monitor are
examples of unattended close and are to be used ONLY with sectional doors. Any device or feature
that allows the door to close without being in the line of sight of the door is considered unattended
close. The Timer-to-Close (TTC) feature, the myQ® App, and any other myQ® devices are to be used
ONLY with sectional doors.