Attach The Rail Brackets; Installation Section - Pages 12 - 27 Installation Safety Instructions - Craftsman 139.53663SRT Owner's Manual

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Assembly Step 3
Attach
the Rail Brackets
• Align rail brackets to end of rail assembly, as shown.
• Insert two i/4"-20 x 5/8" hex screws and lock nuts.
Tighten securely with a 7/16" socket.
Rail
1/4"-20
Lock Nuts
Hardware
Shown
Actual
Size
1/4" - 20
1/4" - 20 x 5/8"
Lock Nut
1/4"-20x5/8
Hex
Screws
You have now finished assembling
your garage door opener. Please read the following
warnings
before proceeding
to the installation
section:
IMPORTANT INSTALLATION INSTRUCTIONS
To reduce the risk of severe injury
or death to persons:
1. READ
AND FOLLOW
ALL INSTALLATION
INSTRUCTIONS
2. Install only on a properly
balanced
and lubricated
garage
door. An improperly
balanced
door may not
reverse
and could result
in severe
injury
or death.
Repairs
to cables,
spring
assemblies
and other hardware
must be made by a professional
service
person
before
installing
opener.
3. Disable
all locks and remove
all ropes connected
to the garage
door before
installing
the openen
Ropes
connected
to a garage
door can cause
entanglement
and death.
4. If possible,
install
door opener
7 feet or more above floor with the emergency
release
handle
mounted
6
feet above the floor.
5. Do not connect
the opener
to power
source until instructed
to do so.
6. Locate
the Door Control
within
sight of the door at a minimum
height
of 5 feet where small children
cannot
reach,
and away from all moving
parts of the dool:
7. Install the User Safety
Instruction
Label on the wall adjacent
to the control
button
and the Maintenance
Instruction
Label
in a prominent
location
on the inside of the garage
door.
8. Upon completion
of the installation,
the door must reverse
when it comes
in contact
with a one-inch
high
object or a 2x4 laid flat on the floor.
9. Do not wear watches,
rings or loose clothing
while installing
or servicing
an openen
Jewelry
or loose
clothing
can be caught
in the mechanism
of the garage
door or the openel:
11

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