Attach The Rail Brackets; Installation - Craftsman 139.18310D Owner's Manualanual

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ASSEMBLY STEP 3

Attach the Rail Brackets

• Align rail brackets to end of rail assembly, as shown.
• Insert two 1/4"-20x7/16" hex bolts. Tighten securely with
a 3/8" socket.
You have now finished assembling your garage door
opener. Please read the following warnings before
proceeding to the installation section.

INSTALLATION

IMPORTANT INSTALLATION INSTRUCTIONS
To reduce the risk of SEVERE INJURY or DEATH:
1. READ AND FOLLOW ALL INSTALLATION WARNINGS AND
INSTRUCTIONS.
2. Install garage door opener only on properly balanced and
lubricated garage door. An improperly balanced door may
not reverse when required and could result in SEVERE
INJURY or DEATH.
3. ALL repairs to cables, spring assemblies and other hardware
MUST be made by a trained door systems technician
BEFORE installing opener.
4. Disable ALL locks and remove all ropes connected to garage
door BEFORE installing opener to avoid entanglement.
5. Install garage door opener 7' (2.13 m) or more above floor.
6. Mount emergency release handle 6' (1.83 m) above floor.
7. NEVER connect garage door opener to power source until
instructed to do so.
Rail Brackets
Rail
Hex Bolt
1/4-20x7/16"
WARNING
WARNING
WARNING
WARNING
8. NEVER wear watches, rings or loose clothing while
installing or servicing opener. They could be caught in
garage door or opener mechanisms.
9. Install wall-mounted garage door control:
• within sight of the garage door.
• out of reach of children at minimum height of 5' (1.5 m).
• away from ALL moving parts of the door.
10. Place entrapment warning label on wall next to garage
door control.
11. Place manual release/safety reverse test label in plain view
on inside of garage door.
12. Upon completion of installation, test safety reversal
system. Door MUST reverse on contact with a 1-1/2"
(3.8 cm) high object (or a 2x4 laid flat) on the floor.
11
HARDWARE SHOWN ACTUAL SIZE
Hex Bolt 1/4-20x7/16"
Hex Bolt
1/4-20 x 7/16"

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