Measure for chain

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Joe Crow

PA firewood cutter
AS Supporting Member
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I have an older Mac with a bar but no chain. Can I wrap a string around where the chain goes and get a measurement to purchase a chain? Or is there another way to do this?
Thanks.
 
Older bars rarely had any chain details on them.

What saw, what bar, and what drive sprocket do you have? With that information it may be possible to determine the DL count but the best way is to take the saw and bar to a competent shop and have them wrap chain around it.

Mark
 
Drive link counts can vary with the drive sprocket, radius of the bar nose, etc.

A good, servicing saw dealer, as noted above, can help.

If you can identify the pitch (via sprocket) and gauge (via bar groove, and have some old chains lying around, you can break one of those loops and measure the DL count.

Or, if you have a home improvement center nearby with a liberal return policy, buy a chain that looks close and test fit.

Keep it clean, and keep your receipt, in case it does not fit!

Philbert
 
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