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Discussion Starter · #1 · (Edited)
Thought I would offer up some advice for those that are interested in string and cable changes.

Take your current bow and measure the brace height, which is the distance from the end of the barrel to the string, and axle to axle length. Ideally this is done after a few shooting sessions after everything settles in. Take some white fingernail polish and mark the location of your cams rotation in relation to the limb. Ideally your cams are in sync. There may be holes or marks on the cams from the factory that are used as a reference for timing. If there is, note their location relative to the limb.

When you have a pro shop change out your string and cables, insist that these measurements are replicated and check them when you pick up your bow. Recently an acquaintance of mine had new cables and a string put on his crossbow. It became obvious the technician took everything off and had no idea what the factory specs were when re-installing them. Not only were the cams out of sync, the brace height was way off resulting in the string coming off at the shot.

Taking note of these measurements also lets you know if your cams begin to fall out of time, or your string stretches. Both of which can effect performance and possibly damage your bow.

I hope this helps.
 

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Good info but why let the bow settle in if replacement string and cables are to restore the bow to factory settings?I imagine a bow is properly timed from the factory,wouldn't that be the best time to make the marks?I know when a new toy arrives some people just need to go shoot it.
 

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Discussion Starter · #3 ·
Good info but why let the bow settle in if replacement string and cables are to restore the bow to factory settings?I imagine a bow is properly timed from the factory,wouldn't that be the best time to make the marks?I know when a new toy arrives some people just need to go shoot it.
Depends on how long the bow has sat around before being sold. Most strings and cables will stretch a bit within the first few weeks of installation with many bows sitting on shelves for months. Some manufactures account for this when they install them. Some don't. As you said, one could write and mark everything down before the bow is shot as well. I just prefer to do it after the first shooting session to make sure everything has been freed up and settled in. Either way, you will be very close to factory settings. If someone wants the exact specs, a call to the manufacturer can provide that information.

The point is, either way is ideal. Knowing where everything is supposed to be after a string a cable replacement is very important. There are a lot of people out there working on crossbows that shouldn't be and I have seen a lot of bad work.
 

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"There are a lot of people out there working on crossbows that shouldn't be and I have seen a lot of bad work."
I don't doubt that,the same goes for cars and trucks.I see some really shaky dangerous repair work done.
 

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why I bought an Excalibur exocet 200 x bow, I don't need to take it to a shop for any work. if I need a string replaced I can do it my self !
 
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