Attach The Rail Brackets; Installation - Craftsman 139.53902D Owner's Manual

ASSEMBLY STEP 3
Attachthe Raft 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.
Youhave now finished assembfingyour garage door opener.
Please read the following warningsbeforeproceeding to the
installation section.
Rail Brackets
Rail
Hex Bolt
1/4"-B0x7/16"
Hex Bolt
1/4"-20x7/16"
HARDWARESHOWN ACTUAL SiZE
Hex Bolt 1/4"-20x7/16"
iNSTALLATiON
iMPORTANT iNSTALLATiON iNSTRUCTiONS
To reduce the risk of SEVERE iNJURY or DEATH:
1. READAND FOLLOWALL iNSTALLATiONWARNINGSAND
INSTRUCTIONS.
2. install garage door opener ONLY on properly balanced and
lubricated garage door. An improperly balanceddoor may
NOT reverse when required and could result in SEVERE
INJURYor 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. installgarage door opener 7' (2.13 m) or more above floor.
6. Mount the emergency releasewithin reach, but at least6
feet (1.8 m) abovethe floor and avoiding contact with
vehicles to avoid accidental release.
7. NEVERconnect garage door opener to power source until
instructed to do so.
8. NEVERwear 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. Placeentrapment warning label on wall next to garage door
control.
11. Placemanual release/safety reversetest 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.
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