Chamberlain WD822KS User Manual download pdf (Page 5)

Access

Door

Safety

Reversing Sensor

Safety

Reversing

Sensor

Gap between floor

and bottom of door

must not exceed 1/4" (6 mm).

Garage

Door

Header

Wall

Header

Bracket

Door

Bracket

Straight

Door

Arm

Curved

Door Arm

Trolley

Emergency

Release

Rope &

Handle

Rail

Belt

Trolley Stop Bolt

CLOSED POSITION

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).

Safety Reversing Sensor

Access

Door

FINISHED CEILING

Support bracket

& fastening

hardware is required.

See page 16.

Safety Reversing

Sensor

Header Wall

Gap between floor

and bottom of door must not exceed 1/4" (6 mm).

Wall-mounted

Door Control

Rail

Motor Unit

ONE-PIECE DOOR WITHOUT TRACK

CLOSED POSITION

Header

Wall

Header

Bracket

Trolley

Straight

Door

Arm

Emergency

Release

Rope & Handle

Door Bracket

Curved

Door

Arm

Garage

Door

Trolley Stop Bolt

Belt

Rail

Without a properly working safety reversal system,

persons (particularly small children) could be

SERIOUSLY INJURED or KILLED by a closing garage

door.

• The gap between the bottom of the garage door and

the floor MUST NOT exceed 1/4" (6 mm). Otherwise,

the safety reversal system may not work properly.

• The floor or the garage door MUST be repaired to

eliminate the gap.

WARNING

CAUTION

WARNING

ONE-PIECE DOOR WITH TRACK

1 2 3 4 5 6 7 8 9 10 ... 39 40

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Chamberlain WD822KS User Manual Page 5

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