Chamberlain HCTDCU Quick Start

QuickStar t
for single gate/door application
HCTDCU
Motor Unit
HCT08
8 Foot Rail
HCT10
10 Foot Rail
HCT12
12 Foot Rail
2016 UL 325 Gate Operators require use of LiftMaster
external monitored entrapment protection devices.
This QuickStart is intended to highlight a single gate/door
application. Each application is unique and it is the
responsibility of the purchaser, installer and end user to ensure
that the total gate/door system is installed and operated
properly. Refer to the installation manual for complete
information regarding installation, testing, and programming.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
LiftMaster.com
01-38474 © 2016, LiftMaster – All Rights Reserved
Connect rail to operator.
1
Open the cover.
2
Remove the chain guard.
3
Align the key holes on the end of the rail with the cap screws on the chassis.
4
Attach the rail to the chassis with the hardware provided.
5
Move trolley to within 3 feet (.9 m) of the end of the rail.
6
Wrap the chain around the output sprocket.
7
Adjust the chain tension.
Turnbuckle
8
7
Replace chain guard.
Hex Nut
Top of Rail
1/4" (.64 cm) Max.
Within 3 feet (.9 m)
5
Trolley
Mount the operator.
1
Center the header bracket in the opening and
bolt or weld the header bracket to the wall.
Header Bracket
Header Bracket
INSTALLATION
Chain Guard
2
6
1
3
Cap Screw
4
Carriage Bolt
2
Lift the operator and align with center mark
on ceiling. Bolt the operator to the ceiling.
Concrete Anchor
1/2" x 3 1/2"
Brackets (not provided)
Temporary
Support Post
Install vented plug.
1
Remove the dome plug from the
operator chassis.
2
Remove the solid plug in the gear
reducer and replace it with the vented
plug (provided in bag with manual).
3
Tighten the vented plug with a socket or
Allen wrench.
4
Re-insert the dome plug.
Determine location for operator.
Washer
1 2
With the gate/door closed,
mark the center.
Nut
3
Bolt or weld arm to gate/door.
Flush Mount
Arm
OR
Dome Plug
Vented Plug
Open the gate/door and mark the
center point on the ceiling.
Door Arm
DOOR INSTALLATION