Planning - Craftsman 139.53985DM Owner's Manual

Planning (Continued)
ONE-PIECE DOOR iNSTALLATiONS
• Generally, a one-piece door does not require
reinforcement, if your door is lightweight, refer to the
information relating to sectional doors in installation
Step 11.
• Depending on your door's construction, you may need
additional mounting hardware for the door bracket
(Step 11).
Without a properly working safety reversal system, persons
(particularly small children) could be SERIOUSLYINJURED
or KILLED by a closing garage door.
• The gap between the bottom of the garage door and the
floor MUST NOT exceed1/4" (6 mm). Otherwise, the safety
reversal system may NOTwork properly.
• The floor or the garage door MUST be repairedto eliminate
the gap.
t
Safety Reversing Sensor
Sensor
Gap between floor
and bottom o1 door must not exceed 1/4" (6 mm)
Curved
Door
leader Arm
Vail Door
Trolley
Emergency
Release
Rope & Handle
I ONE-P
CLOSED POSiTiON
Rail Tab Cable
II BracketHeader CurvedDoor Arm _# / L..
Door o .... olo oo o o)___/
/_ Bracket Straight
Door
Y//zJ--- Garage Arm
;//.4 Door
Reversing
pb tw
and bottom of door |
Safety /
Reversing Sensor must not exceed 1/4" (6 mm)
Chain
Rail
Emergency
Release
-- Rope &
Handle