Paint all at a time, or bit-by-bit?

nippoo

New User
Hey,

So I've got an MF155 I've taken all the bodywork / chair / panels off.

Mostly covered in rust and bits of old paint. Got all the pipework still in, but taken the fuel tank off.

Now's about time to take the wheels off and repaint the whole thing. Was thinking of red oxide primer or something?

I keep hearing conflicting opinions - what's the best recommendation, should I:

a) strip/blast/prepare/prime it in bits, or
b) prepare and prime the whole thing in one go (in a day or two, then prime the whole thing)

Also, should I:

a) spray
b) use a paintbrush
c) use a mixture of both?

Sorry for the newbie question!
 

You need to tell what your objective is in order to get an answer to the last part. What I have done and I have read and seen pictures of many others do, is to remove all desired parts, clean and prep all of it, Then spray paint it all at once. The smaller parts are hung where you can get at all sides.
 
It would depend on what finish you are using. If you are using an old fashion alkyd primer and paint then you could easily paint a little at a time. If you are useing automotive finishes many are catalyzed which you have to use them once mixed or they will go bad in hours. Doing the job a little at a time much more of the paint would go in the trash. Then if you are using an epoxy primer they usually have to be topcoated within 8 hours or you end up having scuff sand all of it. Epoxy is the best primer you could use especially if the metal is already rusted.
 

Any experience with Holdtight 102?

http://www.holdtight.com/

Our Carboline representative recommended it as part of a dilute mixture of Simple Green and Holdtight 102 in a high pressure hot water wash solution. This is for large equipment with surfaces previously prepared by blast cleaning, then have gone through machining, assembly, and test and surfaces have become contaminated with coolants, oils, and shop grime. The hot water pressure wash with Simple Green removes contaminents, the Holdtight prevents rusting and promotes paint bonding. We are just beginning this process, so there is no long term evaluation yet.
 
(quoted from post at 10:48:44 08/06/14)
Any experience with Holdtight 102?

http://www.holdtight.com/

Our Carboline representative recommended it as part of a dilute mixture of Simple Green and Holdtight 102 in a high pressure hot water wash solution. This is for large equipment with surfaces previously prepared by blast cleaning, then have gone through machining, assembly, and test and surfaces have become contaminated with coolants, oils, and shop grime. The hot water pressure wash with Simple Green removes contaminents, the Holdtight prevents rusting and promotes paint bonding. We are just beginning this process, so there is no long term evaluation yet.

Neither Holdtight nor Simple Green would advise mixing their products. Also there are about thirty different Simple Greens from mild to wild and most are neither simple nor green so read the MSDS before use.
 
I've never used the Holdtight. For the most part is a salt remover. Unless the vehicle is near the ocean or driven on salted roads I don't see very much use for it. Oil and grease is the main issue on a tractor. I would go over the tractor several times with a grease remover such as Purple Power and a power washer. If you had access to a steam cleaner that would be much better. Some places the grease will be dried out and might need oven cleaner to get off. I had places on the last tractor I painted that had grease that was painted over and the paint held. It took scraping with an old screwdriver to get it off. After cleaning I would sandblast any rusted places.
 

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