Hey guys, I guess this will be a basic engine rebuilding question. Right now I'm tearing down my 13B, and I'm degreasing all internal engine components. I don't want these metal parts to get exposed to the elements, so I liberally coated them in WD40. I was wondering if there are certain parts where I don't have to do this, such as the flat surface on the irons, or the chrome plating on the housings? I also see some spots on the cleaned rotor, where the metal is 'stained' and a darker grey than the rest of the rotor, which is light grey. Not sure if this is a coating that has come off, but just to be sure I sprayed WD40 everywhere.

 

It really doesn't hurt to spray everything down with WD40, especially if it's going to be apart for a extended period. Make sure to get the WD40 into the passages of the E shaft too, those E-shafts like to rust. The rotors aren't coated with anything so I wouldn't worry about the staining.

 

its good practice to keep everything protected. the rotors and housings in general don't really need it, they are either Aluminum, or Iron with a coating. Rotors are iron with a zinc plating

the E shaft is the one you want to keep lubed.

 

Thanks guys. So far everything is very liberally coated in WD40, or this other metal protection spray I have, but it seems the same as WD40 (moisture displacing etc)
As soon as I have measured the e-shaft with a micrometer I'll spray it once more, and wrap it in cling-film for storage (I think I've seen others do this too)
Also it seems like a good idea to just keep everything protected with oil, except the bare aluminium of the housings I guess

 

I no longer store e-shaft in plastic bag or plastic film as in a high humidity area it caused rusting from condensation and loss of e-shaft with tedious time into porting it.

I now put a coat of grease on e-shaft, wrap it WD40 soaked paper and store in paper bag.

 

That does seem like a good idea, since the viscosity of WD40 is so low. I think vaseline is also great for this.