Author Topic: How do you torque cylinder bolts?  (Read 913 times)

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Offline eriksat1

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How do you torque cylinder bolts?
« on: March 11, 2014, 04:41:17 pm »
How do you torque cylinder bolts?
I have a inch Lb torque wrench but don't have metric allen head sockets that long. I have been just using the long tee handle allen wrenches, and tighten about the same as it took to loosen them by hand feel. How do you do it?

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Offline 660magnum

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Re: How do you torque cylinder bolts?
« Reply #1 on: March 11, 2014, 04:45:05 pm »
I do the same as you
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Offline Cut4fun

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Re: How do you torque cylinder bolts?
« Reply #2 on: March 11, 2014, 04:45:45 pm »
Me just by feel. Then recheck after some running and cool down cycles.

Offline KilliansRedLeo

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Re: How do you torque cylinder bolts?
« Reply #3 on: March 11, 2014, 07:36:10 pm »
Erik, I use a 3/8 metric torque wrench from Craftsman $19.00. I also use 3/8 drive long Allens from Harbor Freight (not ball end) cost you about $15 for everything you will need to work on a saw.

I do the usual criss cross pattern to get them to spec, then give each bolt in turn a sharp tap with a hammer on the socket end. Then recheck torque. I then do it again after some heat/cool cycles. If it is a HVA saw the spec on the jug bolts is 10nm (newton/meters). Muffler bolts are 14nm. 10nm is 88.5 inch pounds.
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Offline SDB777

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Re: How do you torque cylinder bolts?
« Reply #4 on: March 14, 2014, 10:12:01 am »
Awesome. Looks like I will be adding a few new toys....er tools to the tool box!


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Offline KilliansRedLeo

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Re: How do you torque cylinder bolts?
« Reply #5 on: March 14, 2014, 10:21:45 am »
HF also sells short metric allens that I find are easier to use than the long ones when the bolts are exposed. The long ones when used in that situation are very easy to misalign and can mess the cap screws. I have a set of ball ends from HF but never use them in a torque situation.

They also sell a long T-27 Torx bit for the newer Stihls
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Offline Al Smith

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Re: How do you torque cylinder bolts?
« Reply #6 on: March 14, 2014, 08:42:53 pm »
I've got two 1/4" drive torque wrenchs .A Wiha break over beam and a Snap-on dial type in both SAE and metric .In addition some "click" types you can set the torque with an allen wrench for the snap over .Those later ones were used to torque carbide inserts for high speed production metal cutting machinery .

The long shafted T-27 Torx head drivers are relatively inexpensive .The heads or driver end is 1/4",fits in a 1/4" socket  .I think maybe 7-8 bucks flea bay .You can get long shafted hex drivers too if you look around .

Offline KilliansRedLeo

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Re: How do you torque cylinder bolts?
« Reply #7 on: March 15, 2014, 10:48:22 am »
Al, I am very interested in the 1/4 inch Wiha torque wrenches you speak of. Can't seem to find them online. Please could you post the product number for yours?
"When the people fear the government...you have tyranny....When the government fears the people....you have liberty"

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Offline 660magnum

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Offline KilliansRedLeo

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Re: How do you torque cylinder bolts?
« Reply #9 on: March 15, 2014, 01:09:40 pm »
Thanks Jim! nice tools, however I think I am going to one and buy an Armstrong, they have a 3/8 model that reads in NM 2-50 I think.
"When the people fear the government...you have tyranny....When the government fears the people....you have liberty"

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