Cleaning model trimmer

[kettlebell]

Does any one have any products or solutions to recommend for cleaning a plaster covered model trimmer? We bought it from a Doc and it wasn't cleaned, probably ever. I hope to refurbish it at least to a point and resell it.
My thought: Let is sit for 24 hours in a tote with some Coe tray cleaner, take it to the car wash to pressure wash it.
Thanks in advance!

 

[user name]

CLR. Its near the dish soap and kitchen cleaners at the supermarket.

 

[sidesh0wb0b]

white vinegar, soak, chisel off with a hammer and screwdriver (or chisel) lol

 

[kettlebell]

CLR. Its near the dish soap and kitchen cleaners at the supermarket.
View attachment 31501

How long to let tje CLR soak? Also, would that damage any internal parts?

 

[user name]

It works pretty quick. I wouldnt submerge the motor.

 

[PDC]