|Item Weight||9.6 ounces|
|Product Dimensions||9.1 x 3.1 x 1.4 inches|
|Item model number||N280-362|
|Size||8-Feet 8-Inch by 1/8-Inch|
|Item Package Quantity||2|
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National Hardware V7618 Torsion Spring Lift Cables, 8-Feet 8-Inch x 1/8-Inch, Galvanized
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Want this professionally installed?
- Removing old lift cables
- Installing 2 new customer-supplied cables
- Testing garage door
- Pro will contact you within 1 business day to schedule
- Kick back and only pay when the job is done
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- Book the service directly on Amazon
- Receive confirmation within 1 business day
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- Enter your model number to make sure this fits.
- The product is 2pk8'8"x1/8" spring cable
- For 7' single & double wood
- The product is manufactured in china
- 1/8-Inch diameter by 8-Feet 8-Inch long
- Galvanized finish
- Steel cable
- Read and understand all instructions before beginning work
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|Sold By||Amazon.com||Boston Enterprises||Amazon.com||Boston Enterprises||Amazon.com||365 Garage Door Parts|
|Item Dimensions||3.1 x 9.1 x 1.4 in||6.25 x 7 x 1 in||3 x 5.75 x 1.25 in||7 x 8.5 x 1 in||4.81 x 1.25 x 9.5 in||2 x 40 x 2 in|
V7618, 2 pack, 8' 8 inch x 1/8 inch galvanized torsion spring lift cable, 1 end pre-looped & other end equipped with a drum stop, for 7' single & double wood, metal or fiberglass doors with torsion springs, carded.
From the Manufacturer
This is a replacement lift cable for standard, seven-Feet high, wood or metal garage doors up to sixteen feet wide. This cable is for doors with torsion springs. It features a galvanized finish and is one eighth inch thick for strength and durability.
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The reason I didn't award this product five stars is that the instructions have you doing a lot of unnecessary and potentially dangerous work unwinding and winding torsion springs while the door is in the down position. The process they detail is really not necessary if you are just replacing the cables. There is an alternate method I used which involves replacing the cables while the door is open (and the springs unloaded). This method is safer and much faster than the tedious procedure described in the instructions. It should take you only about 10 min. per side. Always replace both cables - this set contains two. If the door was balanced when the old cables were new, it should remain balanced with the new cables and not require any further adjustment unless your old cables were substantially longer or shorter. But if that is the case, you probably shouldn't be using this product anyway. Instead, get the correct length / diameter to match what you're replacing. Here's a well done source for instructions on how to perform the replacement procedure I used.
Go to Youtube and and add the following to the URL: /watch?v=XzsQuFj5ygU
The tools you'll need are:
- Needle nose pliers (to bend the cable and possibly to assist in removing the loop end from the post fitting on the door.)
- (2) Vice Grip pliers. (one for locking the door in the track so it doesn't fall down when you disconnect the door opener link or the old lift cable, and one for gripping and turning the shaft to slightly tension the springs when re-attaching the loop end of the cable to the post on the bottom of the door.
- Puncture proof gloves (optional, but highly recommended in case the old cable is frayed near the top where you can't necessarily see it easily)
- Shatterproof eye protection (any time you're working with something springy like this cable there is a risk that it can get away from you and strike an unprotected eyeball).
- Sturdy 6' stepladder.
- Possibly a short handle prying tool or awl or 6-8" pointed alignment tool to aid in prying the loop end of the old cable off of the post it's attached to on the bottom of the door. I didn't need any tool to assist in putting the new cable over the post as the loop was just barely large enough to force it over with my fingers.
A couple of hints that might apply to your situation:
1) Once you've completed the installation, check that the cables don't have any slack in them when the door is in the open position. If they do, there is a risk of the cables jumping out of their tracks on the drum or the loop coming off the post. If yours is loose, you have two options. Either adjust the door opener so that the door doesn't open far enough for the cables to go slack. Or if that isn't an option, you'll need to increase the tension by a quarter turn or so on BOTH torsion springs. But this requires messing with the winding cones on the ends of the springs and is potentially DANGEROUS. It also requires special winding bars that fit correctly in the cones and an understanding of what's going on. Do this wrong and you can get hurt. While it's not rocket science, and is actually part of the procedure that National recommends for replacing these cables, it does bring the job to a whole new level of potential risk that most casual DIYers should probably avoid. But if you're experienced mechanically it shouldn't be much of a challenge.
2) Once the new cables have been installed, open and close the door by hand (the opener linkage should still be disconnected). The door should travel smoothly and not require much force. It should stay closed when you let go if it in the closed position and remain open (or maybe lightly try to close) while in the open position. Ideally, it should stay put when half open. I wouldn't get too worried about if you have to exert light force to keep in in any of these positions, but if the door seems like it wants to fall or spring back up with significant force when you let it go then it will need some further attention to get it back to balance. The same is true if the door is racked (top not parallel with the top of the door frame or bottom not parallel with the floor). To correct this, you (or a professional you hire) will again have to resort to adjusting the winding cones on the springs. It's also possible that whomever did the original install used the wrong springs for the weight and height of your door and they will have to be replaced. If you have an unbalanced or racked door, you will likely be repairing the opener/track/door components soon so you might as well get it right before reconnecting the opener. There is a good tutorial on how to make these adjustments from the same source I linked above for those of you who are mechanically inclined and willing to assume the risk.
3) While not strictly necessary, now would be a good time to test the operation of the safety switches and sensors that are part of the garage door opener controls (assuming you have an opener of course). You'll want to test that an obstacle placed in the light beam between the two optical sensors on the inside bottom of both vertical tracks prevents the door from responding to a command to close. You should also place a 2 x 4 (flat side down) or something similar on the floor in the center of the door opening and verify that when the door closes and hits the obstruction it reverses and fully opens. If these haven't been checked in awhile (years maybe...) they can get out of adjustment.
Good luck with replacing your door cables. Writing this review took me a lot longer than actually replacing both of mine. Just consider following the alternate instructions I linked above and it should be a piece of cake.
Thus, Amazon Prime to the rescue. I bought these cables and they were on my doorstep less than two days later. Installation was a snap (If you have never done this, there are a number of YouTube video tutorials available). In my case I replaced both cables because I didn't want to have to come back and do the other side a few months later. It was a simple process and required basic hand tools and 20 minutes of my day. These thinner cables wind up on the spools as they should and solved my issue.
The original cables were most likely from when my house was built back in the late 80s, therefore it took around 25 years for one of them to rust through to the point it finally failed where it connects to the door. Because of this I don't imagine I'll be doing this job again anytime soon - but if you're like me and can't find these locally this is probably a safe bet. Just be sure you order the proper length (measure the old cables to be sure you get the same).