Just bought a PC 7428, a couple quick questions

turbovation

New member
Hello Autopia! I started a small headlight restoration business to make some extra money and I just purchased a PC 7428 rotary buffer. I got it brand new for $100 which, for a PC I think is a decent price. Anyways my questions are as follows:



1. Does anybody make a 4" backing plate for this unit?



2. Which pads should I use for rubbing compound followed by polishing compound?



Go easy on me, I'm still a novice. Furthermore I did a search before I posted this thread and came up empty handed so if there is vast information on here regarding this topic I apologize! Newby.



Thanks,



DK
 
i say yellow or orange lake country pad for compounding and a black pad for polishing.....look on autogeek.net for a backing plate
 
Thanks for the detailed information on your thread Mike. I will make sure I take it slowly and really learn the limits of the machine.



Now to figure out which rubbing and polishing compound to use! Off to the search function.
 
Ive used 105/205 to great success on my headlights.



PlastX also works well. Dont forget to get some 2000, 2500 and 3000 grit sandpaper for those headlights that are really bad.
 
Thank you for your help everyone.



I purchased two polishes, both Menzerna-- the PO 83 and the PO 106 -- Super intensive polish and the nano polish. I have four 4" pads on the way-- two low-profile orange and two finishing whites. I also have the ~3" flexible backing plate for the Rotary coming and 12 sheets of Unigrit: 4 x 1000, 4 x 1500 and 4 x 2500.



In an article I read, 60% minwax urethane mixed with 40% mineral spirits makes a great headlight sealant, so that will be my final purchase.



Because of the learning curve and trial & error, including all my wasted purchases: pads for my crappy makita random orbital buffer, nu shine wax, turtlewax rubbing and polishing compounds and a few different kinds of sand paper, most of which I won't end up using after I get my "official supplies", I have accumulated a total initial investment of about $330.



I will be satisfied if I make a return on my investment. If I do one car a month it won't take too long!



I guess once I get my formulas and technique down marketing will be my next hurdle. Maybe that business degree I spent so long earning will come in handy!
 
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