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Garage Door Openers – Reviewed
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There are many types of garage door openers, so which one is right for you? The first thing you need to understand is that garage door openers are not one size fits all applications. Garage door openers are designed to work better with the correct type of door, most of our repairs are performed on machines that are installed incorrectly or are installed on the wrong type of door, and in many cases are very inferior. quality opener.
So far I’ve used the words “opener” and “machine” and they both mean the same thing, they refer to the whole mechanized operation, so when I say “opener” I’m not referring to the manual device in your car. .this is called “remote control” or simply “remote control”. There are several types of garage door openers on the market.. there are screw drives, belt drives with chain drives, and last but not least direct drives, commonly called “wheels”. But let’s take them one by one and start…
These machines have been popular (not necessarily good) for 45 years on all types of doors, but … due to their design, they require constant maintenance. In the 6Os, 7Os and early 8Os, Genie used very strong steel in the “carriage” or “trolley” and the machines were solid! Even without oil on the screw they run for what seems like forever, then they switched to lighter steel and it all went downhill, if you keep oiling the screw the openers will still work but who does that!! So the average life of a Genie auger is about 4-5 years and that’s generous, lifter or Chamberlain or craftsman, all made by the same mfg…(Chamberlain) also has a screw drive and it has the same problem, so they heat and uses a plastic inner carriage around the screw and a self-lubricating housing to keep wear at bay, but the self-lubricating housing really only lasts about a year..or the equivalent of the warranty, and then the back is the same, the same, “oil-oil – oil”. My official opinion on screw drives… stay away from them, they are old technology with a new look.
This type of machine was when the screwdrivers gave or took 5 years and they were on their way. Chain drives have always been very durable machines, but they got a bit of a bad rap when Sears started selling Chamberlain’s DIY model called the Craftsman, which was now called a “chain drive” but steerable. a chain on one side, a cable on the other, and it seemed like nothing could be done to keep the thing quiet as the cable would stretch until the hook broke. Chain drives have since gotten a bad rap as “coffee grinders” or noisy machines, but this wasn’t a chain drive.
Liftmaster 1300 series chain drives… dollar for dollar as good a machine as you can get, they are versatile because they are made from heavy wood to light steel, one piece or sectional and they are powerful and cheap and relatively speaking… low maintenance, but this to get to the point they got a lot of nice improvements along the way. Chamberlain added a chain spreader to keep the chain from hitting the rail, replaced the front sprocket with a pulley that dramatically reduces chain noise, they switched to a nylon worm gear inside the housing to reduce heat from the worm gear, and they removed two tension springs from the inner carriage to reduce door bounce, and its chain-wrapped whole one piece rail.
The components in this machine can control what the motor produces, so in most cases it takes 1/2 hp to lift the door. unnecessary and during routine maintenance.. virtually none, just get the two nylons. Lubricate the gears inside the motor box every 7 years and that’s about it, in the rare case that you have a beach house and only use the opener in the summer, spray the chain with a good silicone. chain links are free. Two of my favorite models that have been real workhorses for us for the past two decades are currently #1346=1/3 hp. and #1356=1/2 hp. is called.
There are several manufacturers making belt drives these days, but I like to stick with the most reliable brand, which for me is Liftmaster, we carry a lot of brands, but we want to work with the brand with the least problems, so let’s focus on Liftmaster belt drives. at present. Remember that belt drive openers are a very special door machine, they do not work very well or very long on 1 piece doors and should NOT be installed on 1 piece doors. To keep it simple, there are two types of belt drives…AC and DC.
The AC model belt drive, known as the Formula I, is one of the early belt drive designs and is actually a chain motor head that drives a belt instead of a chain. It’s much quieter than a chain drive and to me…not a good machine, but it’s an easy sell because it’s cheaper than the DC model and the general public doesn’t know the difference, they just do. belt drives should be the front and it’s a belt drive so they’re not smart enough to cheat, dealers can buy machines of this type much cheaper than DC motors and sell them for a belt. disk (premium) price. “DC Motor” What makes a belt drive so quiet is the motor! Otherwise, why would they offer it in DC, and another advantage is the ability to add a battery backup that works even when the power is off.
Simply put, a DC motor produces more torque than an AC motor, and DC horsepower is rated in “Newtons” rather than HP, but DC motors have a “slow start/slow stop” feature that helps maintain overall performance. quiet. When the AC motor car is started it goes into O-60 or should we say “O to full speed” in one shot…in the second you push the button but on the other hand the door is not on the same page and to withstand the sudden force and so much noise comes out..basically it’s the door resisting the opener where the slow start of the DC machines acts as a gentle motivator for the door to pick it up. going without all the momentum, it does the same thing when it stops, so that in the first two inches and the last two inches it slows down, which greatly reduces the discomfort of the whole operation.
DC machines also electronically calibrate the pressure needed to operate the door based on resistance and weight,
this leaves little room for installer error, in other words the installer can’t set the machine up to smash a car bonnet or cat, AC motors are at the mercy of the installer, if he sets the power setting too high it will crush, if he sets it too low the door is cold or it pops up again on a wet morning, when you’re excited to go to work, you don’t know if your garage door will be open all day, and the Craftsman toolbox you just got for your birthday is going to sell for a fraction of its value at the local swap meet….all you have is a strap-on garage door opener for cheap for thinking there is a device!! Final Thoughts…AC Motor Belt Drives= not good (better with a chain drive) DC Motor Belt Drives=Very good, very quiet, but very door specific. (Only works on sectional door)
Jack-shaft (Direct Drive)
This section is simple as there is only one available and it has a Liftmaster #3800 and it only works on sectional doors. For those looking for a machine that doesn’t mount to the ceiling like a traditional machine, the Liftmaster #3800 may be what you’re looking for, with a quieter (800 Newton) or 3/3 equivalent. 4 hp provided minimum 10 in. side clearance. and mounted on both ends of the torsion tube, so the idea of this opener is that if there is room above the garage, it completely eliminates the vibration of a conventional opener. If you have a low beam in your garage that hangs from the ceiling or supports the second floor of your home, or if you have a typical opener mounted attic or storage rack, you can still automate your door using this type of door. car.
It can also be used in applications where you just don’t want an opener hanging out in the middle of your garage. I have found over the years that the #3800 prefers heavier sectional doors over lighter non-insulated models. the advantage of this type of machine is that it will lift a sectional door up to 13 feet tall without any modifications, whereas a normal machine will only lift doors up to 7’4″ with a normal rail machine, you will need a longer rail to accommodate. 8′–9′ or 10 feet of additional opening height, which is common in newer homes. Liftmaster #3800 has been a very reliable alternative for us since 2004.
Everyone likes to have a choice, but when it comes to garage door openers, there really are so many choices that it can be very easy to make the wrong choice for your particular garage door, which can lead to many future service calls and repairs. I hope this clears up a few things for you when it comes to choosing the right machine, and with the right system you’ll have plenty of “good” ups and downs.
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