Rusted Rotor Retaining Screws-Tips?

[rs6er]

Mine are slotted screws (I notice the ones at PP are Phillips)— heavily rusted. PB Blaster not accomplishing much. Any advice?

[lally911]

Put a big screwdriver in the slot and give it a few good raps with a hammer to try and jar it a bit. Put a wrench on the screwdriver just below the handle and while pushing in on the end of the screwdriver, try to break it loose with the wrench. Last resort would be to drill out the screw. Have you heated it then sprayed it with PB? Do this a few times as well.

[rs6er]

Thanks. heat was my next stop. Do you use the wrench by the tip or by the handle?

[lally911]

Closer to the screw might be better.

[wcc]

Use this and a hammer. It'll work like a charm. You'll wonder how you ever got along without one.

http://www.sears.com/sr/javasr/product.do?cat=Mechanics+Tools&pid=00947641000

[Zeke]

Don't break the screw off what ever you do. Heat is your friend, but only highly concentrated heat from a small tip of an oxy/gas setup. Use the impact going both ways, then try the leverage of the crescent wrench on a square shaft screwdriver. A big pair of vicegrips on a round shaft SD will do in a pinch. If you don't have the impact SD, pound and twist away, both ways until it cracks loose.

BTW, you're not always home free once it breaks loose. I've broken just as many bolts and cap screws on the way out as I have right off tight. Take it easy and use penetrant lube. Be SURE to clean off every trace of any oils with brake cleaner before reassembly. Just a smidgeon of antisieze on the screws will help in the future, but not enough to migrate onto the braking surface.

[zzwhm]

Ditto what Bill said. Impact driver makes this a 2 sec job. Once you have one you'll find lots of other uses.

[rs6er]

Is this an air tool or an electric impact drill/driver?

[abisel]

The Impact driver is totally mechanical. Select the tip, select direction of rotation, place tip into screw, hold the driver securely with a slight force into the screw, and hit the end with a hammer. Not some light-weight trim hammer either, but a large ball peen or drill hammer.

Tip: to determine if you have the correct rotation selected, put the tip on a flat surface and push down on the driver and observe direction of tip rotation. Remember, righty-tighty, lefty-loosly.

[rs6er]

Thanks. I'll pic one up today.

[rick-l]

Originally posted by abisel
Tip: to determine if you have the correct rotation selected, put the tip on a flat surface and push down on the driver and observe direction of tip rotation. Remember, righty-tighty, lefty-loosly.

I bought a used one (Snap-On) at a swap meet. Don't they all work like you turn it in the direction you want and then whack it with a hammer.

I bought this on a whim cause it was cheap but I have found all kinds of uses.

Rusted in Phillips head screws are no match for it. I think it does three things.
1. it forces the Phillips bit down into the screw head
2. the shock forces the screw down into the hole.
3. it delivers a spike of torque to the screw.

[Nine9six]

The mechanical impact driver is an excellent addition to any toolbox.
I have been using one for the past 33 yrs.