When I'm on the road, I don't have a torque wrench, but using one has given me a better feel for how far to push things when using the lug wrench. Now I might use the impact to spin the nut on, but on its lowest setting, and I don't keep hammering - I stop knowing I'm well short of the required torque (or I'll just spin them on by hand). I found I had real trouble assessing just how tight I was getting things. Then for a while I switched to an impact wrench. I used to use the "two grunts and a fart" method of estimating the proper torque on my lug nuts.
just a word of warning to folks to remember to double check. I'm not saying either of these problems were Rangerfredbob's issue.
Once a fastener has been over-stressed, it just can't be relied on. This can happen with an impact wrench or when tightening by hand. It's not difficult to do damage to a fastener by overtightening, and it's not always apparent by looking at it. Too tight is an issue that far too many people ignore. I know they didn't bother to clean off the rust/dirt/crud that was on the mating surfaces prior to mounting. I'm not sure if they just did not tighten some nuts properly. Worst case was when I got in a jam and had my winter tires put on by one of those "quick-lube" type places when my regular guy was too backed up to get to it. Most of the time, things are fine, but occasionally I'll find a couple that are not to spec. Do Not Let Them Handle Machines, Tools, Extension Cords, Or Air Hoses. Always Be Looking For Quality Stuff At A Discount. Rechecking tightness after a wheel has been mounted is something I've gotten into the habit of always doing: I usually do it after 50 miles or so of driving. download Harbor Freight Tools Power Impact Wrenches 1 2 In Professional Air Wrench Manual :: For Mobile Instruction&maintenance Manual Hercules Sticks With A Single Speed Brushed Motor.
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