Craftsman 139.53637SRT1 Owner's Manual download pdf (Page 5)

Beforeyoubegin,surveyyourgarageareato

seewhetherany of the conditions below apply

to your installation.

Slack In chain tension

h;nom_ when

garagedoorisclosed.

Header

FINISHED CEIUNG

S.p_ttnck_

&fastening

hardwareIs required.

See page 17.

Accesscucx

3ap betweenfloorand bottomRevendngSensor

of doormustnot e_ceed I/4".

Safety ReversingSensor

Based on your particular requirements, there are

several installation steps which might call for

materials and/or hardware not included in the carton.

• Step 1, page 13 - Lock at the wall or ceiling above

the garage door. The header bracket must be

securely fastened to structural supports.

• Step 5, page 17 - Do you have a finished ceiling in

your garage? If so, a support bracket and

additional fastening hardware (not suppl!ed) may

be required.

• Safety reversing sensor, page 21 - Depending on

garage construction, wood blocks may need to be

securely fastened to mounting locations before

sensors are installed.

• Step 10, page 22 - Alternate floor mounting of the

safety reversing sensor will require hardware that

is not provided.

• Step 11, page 25 - Generally, a one-piece door

does not require reinforcement. If your door is

lightweight, you can refer to the information

relating to sectional doors on page 24.

• Step 11, page 25 - Depending on your door's

construction, you might need additional mounting

hardware for the door bracket.

• De you have an access door in addition to the

garage door? If not, Model 53702 Emergency

Key Release is required. See page 38.

• The gap between the bottom of the garage

door and the floor cannot exceed 1/4".

Otherwise, the safety reverse system may not

work propedy. See page 30. The floor or the door

should be repaired.

Closed Position

Cable

PulleyBrscketCable Trolley

Header

Bracket T-rail

Straight Curved

Doo¢ Door

Garage Ann Arm

- Door

One-Piece Door With Track

Door

Straight

Bmcket Door

Ann

Rope&Handle

You may find it helpfu! to refer back to this page as

you proceed with the Installation of your opener.

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Craftsman 139.53637SRT1 Owner's Manual Page 5

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