Install The Sprocket Cover; Installation - Craftsman 139.3043 Owner's Manual

ASSEMBLY STEP 6
Install the Sprocket Cover
1. Position the sprocket cover over the sprocket as shown and
fasten to the mounting plate with 8x3/8" hex screws provided.
To avoid possible SERIOUSINJURYto fingers from moving
garage door opener:
• ALWAYS keep hand clear of sprocket while operating opener.
• Securely attach sprocket cover BEFORE operating.
Youhave now finished assemb/ingyour garage door opener.
P/ease read the fo//owing warningsbeforeproceedingto the
insta//ation section.
Hex Screws
Sprocket
INSTALLATION
IMPORTANT INSTALLATION INSTRUCTIONS
To reducethe risk of SEVERE INJURYor DEATH:
1. READAND FOLLOWALL INSTALLATION WARNINGSAND
INSTRUCTIONS.
2. Install garage door opener ONLY on properly balancedand
lubricated garage door. An improperly balanceddoor 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 feet (2.1 m) or more above
floor.
6. Mount the emergency releasewithin reach, but at least 6 feet
(1.83 m) above the 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 feet (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 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.
13. To avoid SERIOUSPERSONAL INJURYor DEATHfrom
electrocution, disconnect ALL electric and battery power
BEFORE performing ANY service or maintenance.
14. DO NOTenable the Timer-to-Close functionality if operating
either one-piece or swinging garage doors. To be enabled
ONLYwhen operating a sectional door.
11