Re: HA's 52 200 Grey Ghost

Posted by BH On 2014/6/11 12:19:16

Keep in mind that the maximum application of the force delivered by an impact hammer is predicated, initially, upon the fastener being held in a relatively fixed position.

I once observed a technician struggling to remove a stubborn lug nut from a vehicle up on a lift, but his big, expensive, impact wrench just wasn't getting the job done. I put one hand on the tire, told him to try again, and the nut came loose.

My thought was that the wheel, able to turn freely on its bearings, was dispersing much of the energy coming from the impact wrench. It's not that the wheel was actually spinning, but offered no resistance to the force. (Personally, I prefer to crack the lug nuts loose with tires still touching the ground.)

Perhaps you can have someone apply the brake while you're trying to tighten the puller bolt with your impact wrench and see what happens.

Hope this helps.