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Starrett 1224 Combo Square Protractor Clean up

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Forum topic by IFRDesign posted 11-09-2015 01:24 PM 657 views 1 time favorited 6 replies Add to Favorites Watch
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IFRDesign

2 posts in 392 days


11-09-2015 01:24 PM

Topic tags/keywords: question handtool starrett restore

Recently found a lonely Starrett protractor head for 12” combo square at a local flea market. For $5 I couldn’t walk away without it. Now I am examining it closer it seems that it will need at a minimum some extensive clean up. I would like to fully disassemble it to ensure thorough cleaning. Anyone have any thoughts on this idea? And if any positive thoughts toward such action- any idea how to go about it? ??


6 replies so far

View HokieKen's profile

HokieKen

1744 posts in 600 days


#1 posted 11-09-2015 04:27 PM

Easy cleanup and definitely recommended. The keeper bolt will fall out the bottom when you take the thumb nut off. Remove the 2 thumb screws that lock the angle and the rotating part will fall out of the fixed part. Now your disassembled. Depending on the level of rust, you may need a soak in some evaporust or phosphoric acid. If it’s not that bad, just use some soft wire brushes to remove the rust. Spray it down well with some corrosion inhibitor and let it set over night. Wipe it dry and reassemble with a little light machine oil between the rotating portion and the main body.

-- Kenny, SW VA, Go Hokies!!!

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CL810

3444 posts in 2450 days


#2 posted 11-09-2015 07:14 PM

I wish my find only cost $5! A little more, but not much. Anyway, no disagreement with what Ken said but I would add try the Sandflex blocks. They work wonders. Mine was every bit as “bad” as yours and just 5-10 minutes with one did this.

-- "The only limits to our realization of tomorrow will be our doubts of today." - FDR

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racerglen

3112 posts in 2242 days


#3 posted 11-09-2015 07:20 PM

X2 on the Sandflex blocks, but easy if you think of using the coarse..try fine, if it’s not enough then the medium and then back to the fine..probably fine will do the job..same results for my Starrett stuff ..

-- Glen, B.C. Canada

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IFRDesign

2 posts in 392 days


#4 posted 11-15-2015 09:37 AM

hmm now the interesting detail that the keeper bolt refuses to fall out when the nut is removed… will continue to update as i figure out a bit more of what is going on

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racerglen

3112 posts in 2242 days


#5 posted 11-15-2015 04:53 PM

Squirt some lube in there and let it marinate for a while, then try..

-- Glen, B.C. Canada

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HokieKen

1744 posts in 600 days


#6 posted 11-19-2015 06:10 PM



hmm now the interesting detail that the keeper bolt refuses to fall out when the nut is removed… will continue to update as i figure out a bit more of what is going on

- IFRDesign

This may be a stupid question… but you did take the head off the blade, right?

-- Kenny, SW VA, Go Hokies!!!

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