Craftsman 139.53675SRT - Manual (Page 11)

Assembly Step 5
Tighten the Chain & Cable
* Spin the inner ntft and lock washer down the
threaded shaft, away from the troiley.
* To tighten the chain, turn outer nut in the direction
shown. As you turn the nut, keep the chain
from twisting.
* When the chain is approximately 1/2' above the
base of the T-raii at its midpoint, re-tighien the
inner nut to secure the adjustment
Sprocket noise can result if chain Is either too
loose or too tight
When instaJlation is complete, you may notice some
chain droop with the door closed. This is normal. If
the chain returns to the position shown when the
door is open,
do notre-adjust the chain.
NOTE: During future maintenance, ALWAYS
pull the emergency release handle to disconnect
trolley before adjusting chain.
Lock
Otrte/ Nut Wa^fier
Chain
~i ГТ T t I
ia Inch
i
O* I "TBlf
You have now finished assembling your garage door opener. Please read the following
warnings before proceeding to the installation section;
IMPORTANT INSTALLATION INSTRUCTIONS
/V
> “ , ■ у #c\ WARNING
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 opener.
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 ail moving parts of the door,
7. Install the User Safety Instruction Label on the wall adjacent to the door control 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 opener. Jewelry or
loose clothing can be caught in the mechanism of the garage door or the opener.
11