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Most Helpful Customer Reviews
33 of 33 people found the following review helpful:
5.0 out of 5 stars
Good manual for the "Do-It-Yourself". Smooth Operation.,
By
This review is from: Chamberlain PD422D PowerDrive 1/2 HP Security Plus Screw Drive Garage Door Opener (Tools & Home Improvement)
The screw driven opener performs very well. Operation is quiet and smooth. The computer's logic and sensors ensures the opener will avoid "crushing" incidents. The lightweight rail is easy to assemble and stronger then expected. I used Locktite medium strength to ensure nuts would not vibrate off. The lack of vibration made the Locktite superfluous. The manual was clearly written. Providing the installation steps are followed, the system is easy to install in a half a day. Please make sure your door is balanced as explained in the manual. You do need a 6 ft. "A" frame ladder. Manuals can be previewed (to see if you want to tackle this job) and additional accessories are available at Chamberlain's own web site. Amazon's competitive pricing and inexpensive shipping made the purchase easy.
22 of 23 people found the following review helpful:
3.0 out of 5 stars
pretty good, with two installation gliches,
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Amazon Verified Purchase(What's this?)
This review is from: Chamberlain PD422D PowerDrive 1/2 HP Security Plus Screw Drive Garage Door Opener (Tools & Home Improvement)
In the bad old days of the 1970s, this garage door opener would get five stars. I'm rating it lower only because of a good, but not perfect, installation manual, and a problem with one bracket. I'll invoke Virginia Postrel and say that in this day and age, we deserve near perfection on these soft issues.
The first problem was the bracket that the front end of the drive screw bar mounts to:it is designed to hold the drive screw bar up above the garage door, but it is designed to hold it about 3/4 of an inch below the ceiling. For those with low garage ceilings, like me, this is a problem: the location of the drive screw bar interferes with the garage door opening. I had to take the brack to the drill press and drill two new holes in it to relocate the clevis pin's location, thus gaining another 3/4" of height. The second problem is a wiring diagram in the manual: in a diagram that should show three sets of two wires each (2 for the remote button, 2 for the safety emitter, 2 for the safety receiver), it shows 4 wires, not 6. A call to customer support cleared the matter up, but the manual could have been a bit better.
15 of 17 people found the following review helpful:
5.0 out of 5 stars
High Quaility - easy to install,
By philip (Beachwood, NJ) - See all my reviews
This review is from: Chamberlain PD422D PowerDrive 1/2 HP Security Plus Screw Drive Garage Door Opener (Tools & Home Improvement)
I was impressed on the high quality of this product and the easy installation. This item shipped very fast, was delivered within three days after I ordered the Item.
Installation took about two hours, since all I was doing was replacing a new garage door opener for an old existing one. I highly recommend this Item to everyone.
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