Adjustment Section: Pages 28- 30

Adjustment Step 1

Adjust the UP and DOWN Limits

Do not make any i{mit adjustments until the safety reversing sensors are completely installed°

Limit adjustment settings regu{ate the points at which Lhe doer will stop when moving up o_ down,

The door will stQo in the up direc_on # anything intederes with door t_avel The door wil_ reverse in the down direction if anything intederes with the door trave_ (including binding or unbalanced doors)_ To operate the opener, press the Wa_ Centre! push bar, Run the opener through a complete trave_

o Does the door open and close @mpletely? Does the door stay closed and not reverse unintentionally when tulty closed?

/f your door passes beth of these tests, no limit adjustments are necessaPy unless the reversing test

Adjustment procedures are outlined below° Run the opener through a complete travel cycle afler

Repeated operat}on of the opener dur}eg adjustment procedures may cause the motor to overheat and shot off, Stmp}y wait 15 minutes and t_ again°

Read the pr,_edures carefuNy before proceeding to Adjustment Step 2 Use a screwdriver to make limit

}mproper adjustment of the trave! Hmits will inte_ere w}th the proper operation of the safety reverse system_ The door m_ght not reverse

properly when required and could seriously injure or kill someone under it, Test the safety reverse system following aH adjustments to the trave HInes, See page 30.

A_us_men_

f

Le_ _ Pa_i

How and When to Adjust the Limits

}f the door does not open completely but opens at least f}ve feet

hcrease up travel Turn the UP limit adjustment screw ciockwise. One turn equals 2" of travel

}f door d_s not open at }east 5 feet: Adjust the UP (open) force as e×plained in Adjustment Step 2,

if the door does not close completely hcrease obwn travel Turn the DOWN limit adiustment screw counterclockwise One turn equals 2" of travel

ffdc8r sfli_ won't c_ose compiete_y, try lengthening the door arm, (Page 26,)

if you have adjusted the door a_ to the m_imum length and the door still wil_ not dose completely, Iower the header bracket, See _nstaHatJonStep 1, pages 1211&

If the opener reverses in folly c}os_ pos}tton Decrease down travel Turn the DOWN _imit

adiustment screw c_ockwise One turn equals 2 _ of travel

]ifthe door reverses when dosing and

there is no vistb}e _ntederence to trave_ cycle

if the opener _ights are flashing_ the Safety Reversing Sensor is obstru_ed Remove the obstrue_en

Test the door for binding: Pull the emergency re}ea_ handle Manually open and c_ose the door, If the door is binding, call fer garage door service ff the dr_r is not binding or unbalanced, adjust the DOWN (close) force. See Adjustment Step 2.

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Craftsman 139.53425SRT manual Adjustment Section Pages 28, Adjust the UP and Down Limits, How and When to Adjust the Limits
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139.53425SRT, 139.53325SRT specifications

The Craftsman 139.53325SRT and 139.53425SRT are two state-of-the-art garage door openers developed to enhance convenience, security, and efficiency in home access. Designed with the latest technologies, these models cater to the evolving needs of users looking for reliable and advanced solutions for their garage doors.

One of the standout features of both the 139.53325SRT and 139.53425SRT is their powerful motor system, which ensures smooth and quiet operation. These garage door openers are equipped with a 1/2 HP motor, providing ample power for standard-sized garage doors while minimizing noise during operation. This is particularly beneficial for homes with living spaces adjacent to the garage, offering a peaceful environment without disruptive sounds.

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The 139.53325SRT and 139.53425SRT also boast advanced safety features. They come with the Guardian® safety system, which automatically reverses the door if an obstruction is detected, preventing potential accidents. Additionally, these models are equipped with a rolling code technology that changes the access code after each use, enhancing security against unauthorized access.

Installation and operation are user-friendly, thanks to the included instructional manuals and straightforward setup processes. Craftsman has focused on making their openers accessible to DIY enthusiasts, which means homeowners can typically install these models without professional assistance.

In terms of durability, both models are built to withstand the test of time, featuring strong, weather-resistant materials that ensure long-lasting performance. This is particularly important for those in areas with harsh weather conditions.

In conclusion, the Craftsman 139.53325SRT and 139.53425SRT garage door openers combine power, advanced technology, and user-friendly features to provide a top-tier solution for homeowners. With their focus on safety, security, and convenience, these models stand out as exceptional choices in the garage door opener market.
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