Door Types; Tools Required; Hardware Provided; Completed Installation - Chamberlain LiftMaster Professional LM800A Manual De Instrucciones

1

DOOR TYPES

A. One-Piece Door with Horizontal Track Only
B. One-Piece Door with Horizontal and Vertical Track – Special
door arm (E, The Chamberlain Arm™) and The Protector
System (29 (9)) are required. See your dealer.
C. Sectional Door with Curved Track – See 20B – connect door
arm. The Protector System (29 (9) is required for doors that are
over 2.5m in height.
D. Canopy door – Special door arm (E, The Chamberlain Arm™)
and The Protector System (29 (9)) are required. See your dealer
E. The Chamberlain Arm™ for use on door types B and D.
2

TOOLS REQUIRED

3

HARDWARE PROVIDED

(1) Hex Bolt
(2) 8mm Carriage Bolt
(3) Wood Screws
(4) Clevis Pin
(5) Handle
(6) Anchor
(7) Concrete Anchor
(8) Lock Washer
(9) Hex Nut
(10) Ring Fastener
(11) Hex Bolt
4

COMPLETED INSTALLATION

As you proceed with the assembly, installation and adjustment proce-
dures in this manual, you may find it helpful to refer back to this illus-
tration of a completed installation.
(1) Header Sleeve
(2) Idler Pulley Bracket
(3) Trolley
(4) Rail
(5) Chain/Belt
(6) Hanging Bracket
(7) Power Cord
(8) Opener
(9) Light Lens
(10) Manual Release
Rope & Handle
(11) Curved Door Arm
ASSEMBLY SECTION
IMPORTANT: If you have a canopy door, you need to use the instruc-
tions packed with The Chamberlain Arm™ Accessory in conjunction with
this Owner's Manual when assembling the rail.
5
ASSEMBLE THE RAIL
Grease inside edges of rail sections using grease (1). Place rail pieces
(2) on flat surface for assembly. All four rail sections are interchange-
able. Slide rail brace (3) onto rail section. Connect rail by sliding rail
brace onto next rail section. Tap rail assembly (4) on piece of wood (5)
until rail sections are flush. Repeat with remaining rail sections.
(12) Nut
(13) Metric Tapping Screw
(14) Hex Screw
(15) Stop Bolt
(16) Lock Nut
(17) Hex Bolt
(12) Straight Door Arm
(13) Door Bracket
and Plate
(14) Header Bracket
(15) Trolley Release Arm
6
INSTALL THE CHAIN/BELT
Remove chain/belt from carton and lay chain out on floor (do not allow
chain/belt to twist).
A. Chain: Push pins of master link bar (3) through chain link (4) and
hole in trolley (5). Push cap (2) over pins and onto notches. Slide
clip-on spring (1) over cap and onto pin notches until both pins are
securely locked in place.
B. Belt: Hook the trolley connector (6) into the slot (7) on the trolley
(8).
INSERT CHAIN/BELT INTO RAIL & ASSEMBLE
7
HEADER SLEEVE
Slide pulley bracket (1) and inner trolley (2) into back (opener end) of
rail assembly (3), be sure to insert pulley bracket as shown with arrow
(4) pointing toward front (header end) of rail (5). Push bracket toward
front (header end ) of rail (5). Insert carriage bolt (6) through header
sleeve bracket (7). Loosely thread spring nut (8) and flat washer (9)
onto carriage bolt. Insert carriage bolt (6) of header sleeve assembly (7)
into bold cut out in pulley bracket (1). Slide header sleeve assembly (7)
on to front (header end) of rail (10).
8
ATTACH TROLLEY TO RAIL
Slide outer trolley (1) into back (opener) end of the rail assembly (2),
be sure end with trolley release arm (3) is heading in direction of open-
er. Slide outer trolley down rail until it engages with inner trolley.
FASTEN RAIL TO OPENER AND INSTALL
9
CHAIN/BELT
Holding chain (4) and belt (5) out of the way, slide rail (1) onto shim (2)
until rail is secure. Take the chain/belt and wrap it around the sprocket
(3). Make sure the teeth on the sprocket have engaged the chain/belt.
10
ATTACH SPROCKET COVER
Place sprocket cover (1) on top of the opener (2), secure with screws
(3).
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ASSEMBLE HEADER SLEEVE
Thread spring nut on carriage bolt until finger tight. Insert a screwdriver
tip (1) into one of the slots of the nut ring (2) and brace it firmly against
the header sleeve. Place an open end wrench (3) on the square end of
the spring nut (4), slightly rotate nut about 1/4 turn clockwise until nut
ring (2) is released against header sleeve (5). This sets spring to opti-
mum chain tension. Chain may slip off sprocket if chain/belt is too
loose. If chain does slip re-tighten spring nut by turing nut clockwise 1/2
turn. Do NOT overtighten chain/belt.
INSTALLATION SECTION
Wear protective goggles when working overhead to protect your eyes
from injury.
Disengage all existing garage door locks to avoid damage to the garage
door.
To avoid serious personal injury from entanglement, remove all ropes
connected to the garage door before installing the opener.
Installation of this product shall comply with ZH1/494, VDE 0700 Part
238, and VDE 0700 Part 1.
It is recommended that the opener be installed 2,1m (7 feet) or more
above the floor where space permits.