Belt tensioning, the Arnnworx 920X impressions
01-16-2007, 05:21 PM
#16
Nordschleife Master
Thread Starter
I have an old version of the tool, infact the beta test version. Bruce has since made a few changes to the tool which allow it to measure balance belt tension aswell. My friend has the newer one, but i have not used it to check the balances shaft belt yet.
01-16-2007, 09:32 PM
#17
Rennlist Member
I just bought the full toolset with 920x from Bruce. It will be a few weeks at least until I'm ready to tension belts, but I will post my impressions when I do.
01-16-2007, 10:15 PM
#18
Maybe I'm hallucinating but I do use the 9201 and can get consistent readings with it. However, if I didn't have one already (that I bought 13 years ago for $375), I would certainly purchase Bruce's complete tool set. I had to fabricate my own pin wrench and eccentric wrench way back when. You guys have it easy now....
01-16-2007, 11:43 PM
#19
Instructor
Join Date: Aug 2006
Location: St Paul, MN
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great informative post for newbies! need to do my belts this winter and was wondering how the heck i was going to tension them (beg, borrow, steal)..now I have the answer! 
saves a search too!
saves a search too!
01-17-2007, 09:48 AM
#21
Rennlist Member
Originally Posted by U-30AT
need to do my belts this winter
It was a balmy 7 degrees this morning 
so I was going to put the belts off until spring.Either way, I need to get those tools ordered...
02-02-2007, 04:10 PM
#24
Rennlist Member
Yeah, it worried me, too, which is why I'm putting it off... that, plus I'm a slacker
I don't drive it during the winter, so putting it off isn't killing me. The belt that is on there now (unknown age and mileage) looks new; the belt change is for my peace of mind
Anyway, I remember the source now - it was in a 944 maintenance video Andrew sent me. Took me back when I heard it, as that's the first time temp has been mentioned. But it does kinda make sense that a belt installed today (high in the teens, I think it's gettiing 10-15 below this weekend) might be tensioned a bit off.
I don't drive it during the winter, so putting it off isn't killing me. The belt that is on there now (unknown age and mileage) looks new; the belt change is for my peace of mind
Anyway, I remember the source now - it was in a 944 maintenance video Andrew sent me. Took me back when I heard it, as that's the first time temp has been mentioned. But it does kinda make sense that a belt installed today (high in the teens, I think it's gettiing 10-15 below this weekend) might be tensioned a bit off.
