Inaugural meeting of the Percussive Maintenance Society

[MattBLancs]

Bang!

Sort of worked!?! It's out at least.

Mangled thread

[MattBLancs]

Three out of three! Calling that a win!

viewtopic.php?p=773831#p773831

[CitroJim]

The old Impact Drivers of the type you show are wonderful things Matt... be lost without mine

[MattBLancs]

Impact driver earning it's keep again earlier:

When will folks stop doing these up to 700Nm!?! (Brake disk retaining screws)

Thought it was rounding, despite the impact driver's excellent ability not to do so, about 3 or 4 times, stopped and just assessing what next, much to my surprise found I could screw in back in about half a turn! Unaware I had made any progress up to that point. Did it freely unscrew then, nope! But thankfully only a little more walloping and progress was made.

I think that Torx recently is about 50% deeper than before I started!

[CitroJim]

Be lost without mine Matt and for that very purpose... It always amazes me just how tightly those disc retaining screws get...

[Armidillo]

I believe I still have my impact driver, although it's along time since I've seen it.

It was a 21st birthday present from fellow students in the 1970's, and one of the most thoughtful/appropriate presents I can ever remember receiving. At the time my only transport was a Honda 350 twin, which was largely held together with Philips-head bolts. It needed frequent maintenance, and the impact driver was an absolute necessity!

[CitroJim]

At the time my only transport was a Honda 350 twin, which was largely held together with Philips-head bolts. It needed frequent maintenance, and the impact driver was an absolute necessity!

That's when I first got mine Alec... Back in the days I was well into Japanese motorbikes... Happy memories

Without an impact driver life was miserable... I remember so many bikes with mangled screws where attempts had been made with an ordinary ill-fitting screwdriver...

People did not appreciate Phillips and Posi-Drive were different and many still don't...

We often replaced those screws with Allen headed ones...

[MattBLancs]

People did not appreciate Phillips and Posi-Drive were different and many still don't...

Interestingly not only pozi Vs Phillips but also Japanese Industry Standard apparently:

https://www.motorcycle.com/ask-mo-anyth ... llips.html

Quite how I stumbled across this (having never laid hands on a Japanese car or bike!) escapes me now!

[Armidillo]

I had no idea that there were a variety of Phillips head 'shapes' (size differences were obvious, even to me ) - luckily the bits that came with the impact driver fitted the Honda pretty well!

[CitroJim]

Like you Alec, I never knew either, despite being deeply into Jap bikes... Last one was a Suzuki GT550 triple

Matt, thanks for that

[Paul-R]

I did know about JIS headed screw thanks to a programme some years ago where James May would attempt to assemble various devices from an assorted pile of bits - a motor mower comes to mind.

I can't remember what it was he was working on but he showed a set of JIS screwdrivers and explained the difference. The importance was somewhat diluted when, later on, I noticed he was using normal Phillips screwdrivers!

[mickthemaverick]

I have a feeling that James May's JIS discussion was in the electric guitar reassembly programme!