Hi friends,
This is my first topic on this section.
3 months ago I purchased a HAG Re 4/4 II for a very cheap price (54€). This locomotive included the awesome "type 88" motor with ball bearings, however, there was an explanation for such a low price:
1-It had been used on a layout with overhead wires, and the previous owner had removed the pickup shoe (easy to fix-I adapted a Roco pickup shoe)
2-Worst of all, the roof had been "weathered" in a way that I did not like at all. The looking of this loco was not good.
So I decided to try to improve the roof. I had to "unweather" the roof (difficult) and repaint it.
This is how the loco looked when it got home:


Removed the housing, removed all the accessories (pantos, windshield, roof equipment) and tried to wipe off the roof as much as I could, or, at least, until the surface was flat and levelled enough:

Purchased spray primer & silver paint from Tamiya, and masked the body loco. For the front & rear ends, as they were quite irregular, I used play-doh (!), and even if I did not know at all if it would work, it did, actually.
I prepared a box to be used as a "painting cabinet":

Roof in primer, after two coats (the product is awesome):

After the primer got dry, the finish silver paint was applied:

And this is the final result, after tha paint got dry and the masks were removed:

Notice the job the play-doh has done on the front end. It's not a professional job (I should have peeled all the paint off), but the looking has improved, in my opinion.
Best regards.