Overhead door 55A Assembly instructions

MODEL

55A

GARAGE

DOOR

OPENER

SYSTEM

l;·I

',,

105376-1

4-15-83

ASSEMBLY

INSTALLATION

AND

OPERATING

INSTRUCTIONS

--------

-·

__.------------·

Printed

U.S.A.

Page

TABLE

CONTENTS

HOW

USE

THIS

BOOK

______

_ 2

TOOLS

NEEDED

___________

GENERAL

NOTES

___________

ASSEMBLY

INSTRUCTIONS

4-7

HOW

USE

THIS

BOOK

Use

tools

indicated

silhouettes

top

instruction.

Perform

the

instruction

according

the

words and iI

lustration.

Put a

check

box

after

completion

instruction.

Proceed to

step.

ASSEMBLY

DRAWING

________

INSTALLATION

INSTRUCTIONS

____

WIRING

______________

8-15

16-18

Adjust

drive

chain-cable.

OPERATION

AND

ADJUSTMENT

____

TROUBLE

SHOOTING

GUIDE

_____

PARTS

AND

SERVICE---------

PARTS

LIST

____________

ILLUSTRATED

PARTS

BREAKDOWN

WIRING

DIAGRAM-----------

WIRING

SCHEMATIC----------

TOOLS

NEEDED

19-20

EXAMPLE

You will

need

the

tools shown

below

assemble

and

install this

operator.

ELECTRIC

DRILL

5/32

BIT

,..,

: 0

CARPENTER

LEVEL

STEP

LADDER

6-0

(..,

_..[\HACK

SAW

.,.,

•••

.,.ADJUSTABLE

<lllf

END

WRENCH

Page 2

NEEDLE

NOSE

PLIERS

" D

-=C

END

WRENCH

•

TAPE

MEASURE

7/16

9/16

•

STRAIGHT

EDGE

SLOTTED

SCREWDRIVER

•

PENCIL

WIRE

•

POCKET

KNIFE

CUTTERS

WIRE

STRIPPERS

•

NUTDRIVER

1/4

GENERAL NOTES

The

following procedures

must

be performed before operator

can

installed.

Failure to

complete the

fol

lowing procedures can cause operator failure

and/or

hazardous conditions

which could cause personal injury.

Check working condition

door.

Door should operate freely without sticking or binding.

Lubricate door rollers and hinges with

SAE

wt.

o.il. Replace damaged or broken

rollers and hinges. Tighten all bolts and screws.

Check for broken counterbalance springs and worn or broken lift

cables.

Replace any

defective parts.

CAUTION

Repairs and adjustments to cables and springs can be hazardous

and should be performed by qualified door service

people.

Counterbalance should be

set

that

door does not have to be held up or down.

door

equipped with a locking

device,

make

inoperative by permanently securing

the locking bar in an unlocked position.

CAUTION

Remove

any lift or pull rope

door

equipped.

If adding

Door Minder" accessory kit; see

instructions supplied with kit for installation

WARNING

TO REDUCE THE RISK OF INJURY TO PERSONS -

USE THIS OPERATOR ONLY WITH A SECTIONAL DOOR.

CAUTION

not use lighted-type pushbutton,

WARNING

NOT

CONNECT ELECTRICAL POWER

UNIT

UNTIL INSTRUCTED TO DO

SO.

Page

ASSEMBLY

Lay powerhead and boom on workbench or

floor.

Assemble boom

sections).

Insta

boom

into

boom

bracket

•

Page

Position

carriage

over

tapered

end

boom.

BOOM

CARRIAGE

POWER

HEAD

Install

header

pulley

assembly on end

boom.

HEADER

PULLEY

ASSEMBLY

····-···

Remove

gear

guard

and

sprocket

cover.

Check

see

that

chain

correctly

routed around

sprocket

and

drive

gear,

COVER

SCREWS

HEX.

HD.SLOT

6-32

1/4

70~

Install

retainer

clips on

connecting

links.

A B C

@§)•

1n)•

@=§)

CONNECTING

LINK

CHAIN

CABLE

ASSEMBLY

Insert

carriage

engagement

cylinder

into

carriage.

Wrap

cab

end

drive

chain-

cable

around

header

pulley

and

back

carriage.

Connect

chain

and

cable

car-

riage

engagement

cylinder

using

connect-

ing

links.

CONNECTING

LINK

CHAIN

CARRIAGE

8 D

~4'-m•

Adjust

drive

chain-cable.

CHAIN

CABLE

ASSEMBLY

BOOM

Reinstall

gear

guard

and

sprocket

cover.

WRENCH

ADJUSTING

INCREASE

TENSION

IMPORTANT

HEADER

PULLEY

ASSEMBLY

BOOM

With

carriage

near

header

end

boom,

chain

should not sag below

center

line

boom more than 3

'.4-

•

Page

ASSEMBLY

100

or •

......

• 4

Correctly

installed:

Header

pulley

assembly. Remove front screws

from

operator

cover

and

swing

open.

ADJUSTING

NUT

SOLT

HEADER

PULLEY

~LY

fr.

110

Page

Make

initial

adjustments

limits switches

plugging

operator

and

using transmitter

run

operator.

Refer

page

20 for instructions

how

set

Iimit

switches.

The "Down" Iimit

switch

should be set so

that

the

carriage

stops

approximately

from

end

header

pulley.

The

limit switch should be set so

that

the

carriage

stops

approximately

from

the

powerhead.

LIMIT

TRAVEL NUT

WARNING

Keep

hands

and

objects

clear

powerhead

when

operator

running.

Unplug

operator

when making

adjustments

limit

switches.

RETAINING ROD

(

ASSEMBLY

120

•••ti-•••

130

Re-install

cover.

CHECKLIST

IMPORTANT

Make sure

antenna

ANTE~

~~~ended

through D

CIRCUIT BOARD

ASSEMBLY

ORA

WING

CONNECTING

LINKS

60684-1

CARRIAGE

CYLINDER

SLIDE

-102350-1

-11/ir-'J..

1=:.d,J

RJJa;

f!fu

/O!f7ft./. 3

HEADER

PULLEY

...}

ASSEMBLY

104159-1

CARRIAGE

THREE

PIECE

BOOM

104036-1

104036-2

DASH ONE ( 1) PART NUMBER FOR 7 FT. DOORS.

DASH

TWO

(2)

PART NUMBER FOR 6 FT. DOORS.

DASH THREE

(3)

PART NUMBER FOR 7 FT. DOORS.

**DASH

FOUR

(4)

PART NUMBER FOR 6 FT. DOORS.

Header

pulley assembly

positioned

correctly.

Drive

chain

seated

in drive sprocket

and limit switch

sprocket.

Drive

chain

not

twisted.

Cable

seated

in header

pulley.

Limit switches set to initial dimensions.

ONE

PIECE

BOOM

1g:g~:=:

AND

102104-1

CABLE

ASSEMBLY

DRIVE

CHAIN

~'V

8crt~D

104061-3**

• SPROCKET

•

102104-1

104061-4~COVER

SUPPORT

BRACKET

102106-1

Page

INST

ALLA

140

Measure width

door to determine

center.

ATTACHMENT

FOR

DOOR

BRACKET

FOR

DOORS

WITHOUT

CENTER

STILE

header does not

have

suitable woodwork where

header bracket will be installed, then such will

have to be made.

suggested that a wood

be secured to nearby existing woodwork.

door does not have a center stile or suitable

attachment for attaching door bracket then

door must be re-inforced with wood or steel

mounting

point.

160

,., : 0

Raise door untiI top section reaches its highest

arc

travel.

Mark header on center line

point where level touches

header.

DOOR

OPENING

CARPENTERS

LEVEL

HIGH ARC OF

DOOR

TRAVEL

DOOR

TRACK

DOOR

SECTIONS

RECOMMENDED

THAT

OPERATOR

MOUNTED

A MINIMUM OF 7

FEET

ABOVE

FLOOR.

Page

150

Mark center Iine on door and

header.

-----------

CEILING

·~

l OF DOOR

HEADER

DOOR

170

Mark horizontal center line of header bracket

three

(3)

inches above high arc of door

travel.

HIGH ARC OF

DOOR

TRAVEL

DOOR

1-5/8"

minimum

head

room

required above

high arc of door travel •

INSTALLATION

180

190

Mark horizontal

center

line

header

bracket.

Position header bracket on

center

line and

mark mounting hole locations on

center

line.

HEADER

CENTERLINE OF

HEADER

BRACKET

2oor

CEILING

Drill

5/32

diameter holes

marked locations.

CEILING

HEADER

CENTER LINE· OF

HEADER BRA

CKE.!.

\\\

)._

CENTER

LINE I

DOOR

CEILING

HEADER

21D '>-'

-0°~

Secure header bracket to

header.

<X1\\\\\\\\\\\\\\\\\\\\%\\\\\\\\\o

1/4

1-3/4

LAG SCREW

HEADER

1/4

1-3/4

-«'\:.~

LAG

SCREWS

HEADER

BRACKET

CENTER

LINE

--4

DOOR

CEILING

Page

INSTALLATION

220

Rest header end

boom

on top edge

top door section and powerhead on top of step

ladder.

EXTENSION SPRING DOOR

Rest header end

boom

on torsion spring and powerhead on top

step

ladder.

TORSION SPRING DOOR

Page

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