One-Piece Door Installations - Craftsman 139.53976SRT Manual Del Propietário

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
SERIOUSLYINJUREDor KILLEDby a closing garage
door.
. The gap between the bottom of the garage door and
the floor MUST NOTexceed 1/4". Otherwise, the safety
reversal system may not work properly.
. The floor or the garage door MUST be repaired to
eliminate the gap.
ONE-PIECE DOOR WITHOUT TRACK FINISHED CEILING
Support bracket __L_
& fastening _',_::_ [!t -
h:rdware is required. __
T'_Y?q Header Wall __'_ L_ _:2 "
"Motor unit
I III t ,_ tt I TFr I I _ Wall-mounted
I c.os o os...o.
_o F_ I -_<:-_:__--_ _--
-:
...... Rope & Handle
and bottom of door must not exceed 1/4". I Header l_q Arm Arm f
Safety Reversing Sensor I ,_,_,_' I\_1 ...... _
I wall _ Garage Door
ONE-PIECE DOOR WiTH TRACK
i
¢
Safety
Reversing Sensor
Floor must be level
across width of door
Reversing
Sensor
CLOSED POSITION
Trolley Stop Bolt Cable
_ Head'elr Cu
Bracket rm
_...._ Door° ° ° ° ° °_°°°°°') j
racket t;o pt
Goaroage Arm ¢-
Chain
Rail
Emergency
Release
i Rope &
Handle