Makita Multi Tool Rust

My Makita multi tool has some rust where the fittings are inserted. Should I be taking any particular measures for this please? I was tempted to squirt some WD40 on it...

 

The bolt affair on mine went a bit rusty after being stored in the van over last winter. It's chemically blacked steel, so all I did was clean it up with a bit of steel wool and oil it. Hasn't affected the working at all. Or is it a different part to the piece in this guy's hand?

 

Just lube it up with 3 in 1 oil every now and again. Shouldn't really matter.

 

Here’s the rusty part. Should I apply 3 in 1 to all the affected areas?

 

Yes.

 

Take the rust off with a bit of steel wool. or a Brillo pad, or even P120 alox sanding paper first before you oil it

 

Thanks. Would it also be helpful to do the same to my Makita drill chucks?
I assume 3in1 is preferred over WD40?

 

I find WD40 doesn't lubricate as well as a good oil does. While it might be decent for driving out moisture and penetrating I don't feel that it lasts partiupartic well so tend to use 3in1 a lot more. Either that or molybdenum disulifde grease.

 

cool. Shall I squirt my cordless drill driver too?

 

I would. I've sat my drills on butt upright and partially filled the chuck opening with oil and left it over night to work it's way through the body.