Adjustment

STEP 1 Adjust UP and DOWN Limits

LIMIT ADJUSTMENT settings (left side panel) regulate the paints at which the door will stop when moving up or down,

NOTE:

Door STOPS

in the

_0

0"0

00_F

I

LirnitAdjus_'rcent

UP direction if anything

 

 

 

 

interferes with door

travel.

Door REVERSES in the

Lef! Side

Panel

_ o

Screws

DOWN

direction if anything interferes with the door

 

 

 

 

travel (including binding or unbalanced doors).

PROCEDURE: Press Wall Control push button or trans- mitter. Run opener through a COMPLETE TRAVEL

CYCLE. Limit adjustments are not necessary when the door opens and closes completely and doesn't reverse unintentionally in the down position.

The following chart outlines adjustment procedures. Run the opener through a COMPLETE TRAVEL CYCLE AFTER

EACH ADJUSTMENT. NOTE: REPEATED OPERATION OF THE OPENER DURING ADJUSTMENT PROCEDURES MAY CAUSE MOTOR TO OVERHEAT AND SHUT OFR SIMPLY WAIT 15 MINUTES AND TRY AGAIN. Read chart carefully before proceeding to Step 2. Use a screwdriver to make limit adjustments.

LIMIT ADJUSTMENT CHART

IF DOOR DOES NOT OPEN COMPLETELY BUT OPENS AT LEAST FIVE FEET

Increase UP travel. Turn the UP LIMIT adjustment screw clockwise. One turn equals 2" of travel.

If door does not open at least 5 feet: Adjust OPEN FORCE as explained in Step 2.

IF DOOR DOES NOT CLOSE COMPLETELY

IF DOOR REVERSES WHEN CLOSING AND THERE IS NO INTERFERENCE TO TRAVEL CYCLE

Test door for binding: Pull emergency release handle.

Manually open and close door. If door is binding, call a door serviceman. If door is not binding or unbalanced, adjust CLOSE FORCE. See Step 2.

IF OPENER REVERSES IN FULLY CLOSED POSITION

Increase DOWN travel. Turn down limit adjustment screw counterclockwise. One turn equals 2" of travel.

Decrease DOWN travel. Turn down limit adjustment screw clockwise. One turn equals 2" of travel.

If the door still will not close completely, the header bracket is positioned too high. Repeat Step 1, page 10.

STEP 2 AdjustForce

DO NOT USE FORCE ADJUSTMENTS TO COMPENSATE FOR A BINDING OR STICKING GARAGE DOOR.

EXCESSIVE FORCE.WILL INTERFERE WITH PROPER OPERATION OF SAFETY REVERSE SYSTEM OR DAMAGE GARAGE DOOR.

Force Adjustment Controls are located on right side panel of opener. FORCE ADJUSTMENT settings regulate amount of the power required to open and close door.

NOTE: The door STOPS in the UP direction if anything interferes with its travel. Door REVERSES in the DOWN

direction if anything interferes with its travel (including binding or unbalanced doors).

ffthe force adjustments are set too light, door travel may be interrupted by nuisance reversals in DOWN direction and stops in UP direction. Weather conditions can affect the

Forco Adjustment

Commls

door movement

so occasional

adjustment may be needed.

 

 

 

Maximum force

adjustment

range is 260 degrees, about

 

 

 

3/4 of a complete turn. Do not force controls beyond that

Right Side Panel

Adjus+t

Label

point. Turn force adjustment controls with a screwdriver.

 

 

 

FORCE ADJUSTMENT CHART

TEST DOWN (CLOSE) FORCE

Grasp the door handle or door bottom when door is about halfway through DOWN (CLOSE) TRAVEL. Door should reverse. If the door is hard to held or doesn't reverse, decrease DOWN (CLOSE) FORCE by turning the control in a counterclockwise direction. Make 10 degree turn adjustments until door reverses normally. After each adjustment, run opener through a complete cycle.

IF DOOR DOESN'T OPEN AT-LEAST 5 FEET Increase UP (OPEN) FORCE by turning control clockwise. Make 10 degree turn adjustments until door opens completely. Readjust UP LIMIT if necessary. After each adjustment, run opener through a complete travel cycle.

IF DOOR REVERSES DURING DOWN (CLOSE) CYCLE

increase DOWN (CLOSE) FORCE by turning the control clockwise. Make 10 degree turn adjustments until door

PROCEED TO STEP 3

completes close cycle. After each adjustment, run the

 

opener through a complete travel cycle.

17

Page 16 Page 18
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Craftsman 139.53626SR - I/2HP owner manual Adjust UP and Down Limits, Limit Adjustment Chart, Force Adjustment Chart
Page 16 Page 18

139.53626SR - I/2HP, 139.53515SR - I/2HP specifications

The Craftsman 139.53626SR and 139.53515SR are two remarkable garage door openers that deliver reliable performance and advanced features ideal for both residential and commercial applications. Both models are powered by a robust ½ horsepower motor, providing a strong lift capability that can handle various types of garage doors.

One of the main features of the Craftsman 139.53626SR is its quiet operation. Designed with a belt drive system, it minimizes noise while delivering consistent performance. This makes it an excellent choice for homes where the garage is attached to the living space. The unit is also equipped with a soft-start and soft-stop feature, which ensures gentle movement of the door, further reducing noise and extending the lifespan of the garage door system.

The Craftsman 139.53515SR, on the other hand, incorporates a chain drive mechanism which is known for its durability and strength. This model is perfect for heavier doors or commercial applications where durability is crucial. It is built to withstand the rigors of frequent use and features a robust frame designed for long-lasting performance.

Both models include advanced safety features such as the infrared safety sensors that prevent the door from closing if something is detected in its path, thereby reducing the risk of accidents. They also come with a multi-function wall console, allowing for easy operation and access to settings like the vacation lock and door light control.

In terms of technology, the Craftsman openers are equipped with a security code system that changes the access code each time the remote is used. This feature enhances security by minimizing the risk of unauthorized access. Furthermore, both models are compatible with smartphone control options when paired with additional Craftsman connectivity accessories, providing users with the convenience of operating their garage doors remotely.

Setting up the Craftsman 139.53626SR and 139.53515SR is straightforward, thanks to the included installation manuals and clear instructions. Both models are designed for easy installation, making them ideal for DIY enthusiasts.

Overall, whether you choose the 139.53626SR for its quiet performance or the rugged 139.53515SR for its strength, both Craftsman garage door openers deliver reliability, advanced features, and safety, making them excellent additions to any home or business.
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