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-   -   How to replace broken plastic tabs (http://www.focusfanatics.com/forum/showthread.php?t=142400)

MisterJohnson 12-02-2007 11:02 PM

How to replace broken plastic tabs
 
I couldn't find a thread for this, and I needed to do it myself, so here ya go

How to replace a broken-off plastic tab on the back of a standard ZX3 grill:


What you'll need:
- paper or cardboard *see bottom of instructions for optional template method
- pencil
- tube of Quiksteel Plastic Repair putty
- cheap butterknife
- wet rag (water keeps the putty from sticking to your fingers)
- 60 grit sandpaper
- rubbing alcohol
- small clean dry rag
- black paint (flat black aerosol primer worked for me)
- masking tape and paper


Good side
http://i85.photobucket.com/albums/k4...iumWebview.jpg

Busted side

http://i85.photobucket.com/albums/k4...iumWebview.jpg

Use pencil and paper/cardboard to trace out the good side
http://i85.photobucket.com/albums/k4...iumWebview.jpg

Set the paper on glass and back-light it so you can trace the outline and use it to replace what's missing
http://i85.photobucket.com/albums/k4...iumWebview.jpg

Thoroughly clean the whole area to be fixed. I used rubbing alcohol. Use a small drill bit and drill a bunch of holes at the edge of the break, then use the sandpaper to rough up the area (front, back, and sides)
http://i85.photobucket.com/albums/k4...iumWebview.jpg

Grab your Quiksteel plastic repair and follow its instructions for preparing the putty for use.
http://i85.photobucket.com/albums/k4...iumWebview.jpg

Apply the putty onto the plastic so it covers the holes you drilled, and push the putty into the holes. Then start forming the putty to replace missing plastic. It will take a couple minutes for it to start setting, but when it does it will set up pretty fast. When it starts to set use your template as a guide to form the putty into the correct shape. Don't worry if it's not thick enough, you can add more later. For now just fit it to the template. Use your knife to trim any excess from the edges instead of trying to push the extra back in. Let it set for about 10 minutes and then you can add more if you need to bulk it up.
http://i85.photobucket.com/albums/k4...iumWebview.jpg

Let it harden for 20-30 minutes and then sand it to the proper shape. If you have a dremel tool, that would be a lot faster and easier than sanding by hand. When you're happy with the shape use your template and drill your hole.
http://i85.photobucket.com/albums/k4...iumWebview.jpg

Wipe off any dust, tape it up to avoid overspray, and paint!

http://i85.photobucket.com/albums/k4...iumWebview.jpg

I did a pretty quick job, so the putty was a little thicker than I would have liked, but it's hidden from view and it works



*optional method for a template (I though of this after I was done and it will probably work better)
Instead of paper, use some thin cardboard for the stencil (like from a cereal box), cut it out, and tape it securely to the bottom side of the plastic. That way your template won't move and it'll be easier to get your putty in the right size and shape.


Hope this helps someone out there!

FocusVet 12-02-2007 11:08 PM

Nice Job!!! I nominate this guy for the "complete how-to archives"

focusonthis420 12-03-2007 01:36 AM

great right up, this will come in handy. both of my lower tabs are broken right now and i had to drill holes and zip-tie them to keep the grill in place

MisterJohnson 12-03-2007 02:30 PM

Quote:

Originally Posted by focusonthis420 (Post 1866062)
great right up, this will come in handy. both of my lower tabs are broken right now and i had to drill holes and zip-tie them to keep the grill in place

That sucks. If you plan on doing the template, see if you can find someone who will let you trace their unbroken tabs since both of yours are gone.

zx360 12-03-2007 02:39 PM

awesome! how to material!

mister_bin 12-03-2007 03:55 PM

great write up definatley something to put in the how to archive

focusonthis420 12-03-2007 09:08 PM

Quote:

Originally Posted by MisterJohnson (Post 1866691)
That sucks. If you plan on doing the template, see if you can find someone who will let you trace their unbroken tabs since both of yours are gone.

i still have one of the tabs, i saved it after i broke it off by accident. i figured i would try and work out a way to repair it but you beat me to it (and prob came up with a better way to do it than i could).

S2 12-17-2007 10:10 AM

Added to the 'HOW TO ARCHIVE"..... good stuff!! [thumb]


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